Elektronikus alkatrészek és félvezetők

Features:1. Made of 6063-T5 high quality extruded aluminum, which has good rust resistance and corrosion resistance, solid and durable to use.
2. Good heat dissipation performance ensures safe and efficient work.
3. Designed with slotted fine teeth to maximize the heat dissipation area and improve the heat dissipation function.
4. Easy and convenient to install and remove.
5. Suitable for , router, CPU, bridge chips, IC , power amplifier board, power amplifier, power, module, mainboard, audion, electronic tube, electric appliance, electronic parts and components.
Specification:Condition: 100% Brand New
Item Type: Aluminum Heat Sink
Material: 6063-T5 High Quality Extruded Aluminum
Product Model: P14.5*13*14 White
Color: As Pictures Shown
Size: Approx. 14.5 * 13 * 14mm/0.57 * 0.51 * 0.55in
Application: for , router, CPU, bridge chips, IC , power amplifier board, power amplifier, power, module, mainboard, audion, electronic tube, electric appliance, electronic parts and components
Package List:10 * Aluminum Cooling Fin

5V Buzzer Electromagnetic Buzzer 10 Pcs Alarm Sounder Voice Industrial Sounder
Features:
The buzzer is packaged with direct insert SOT laminate tube.
Powered by 3.5~5.5V and the current is less than 25mA.
The frequency of the buzzer is around 2300 -50.
Made of high quality material of good stability.
These are electromagnetic type long sound premium buzzer.
Specification:
Item Type:Buzzer
Voltage:3.5~5.5V
Current:<25mA
Frequency:2300±500
Size:12 x 9.5mm / 0.47 x 0.37in
Package List:10 x Buzzer

Features:
1. This is a self-locking type button switch.
2. Made of durable material, with long lifespan.
3. High sensitivity, quick switching.
4. With good insulation performance.
5. Quality assurance, stable and reliable.
Specification:
Model: LAY37-11BNZS
Working Voltage: 220V
Working Current: 5A
Rated Thermal Current: 10A
Contact Resistance: 20Ω
Insulation Resistance: 20MΩ
3C Rated Voltage Range: ≥440V
Mount Hole: 22mm
Weight: Approx. 36g/1.27oz
Package List:
1 * Self-Locking Button Switch

Specifications:Material: High Quality Plastic
Hold 1 standard 9V battery
This battery holder with cover and switch, Can be used as a perfect external power source
Size: approx. 68.02 x 33.24 x 21.58mm
Lead Wire Length: approx.150mm
Packages Includes:
1 x 9V Battery Case

Feature:1. Thermistor can be used as electronic circuit component for instrument line temperature compensation and temperature difference cold junction temperature compensation, etc.
2. High sensitivity and wide operating temperature range.
3. Small size, able to measure the temperature that other thermometers can't measure.
4. Easy to use, easy to process into complex shapes.
5. Good stability and strong overload capability.
Specification:
Item Type: Thermistor
Optional Model: 5K-B3950-L30, 10K-B3950-L30, 10KB3435-L30, 10K-B3470-L30, 15K-B3950-L30, 20K-B3950-L30, 50K-B3950-L30, 100K-B3950-L30
Resistance Value: 5k-100k
Line Length: Approx. 30mm / 1.2in
Accuracy: 1%
Package List:10 x Thermistor

Features:
Made of 6063-T5 high quality extruded aluminum, which has good rust resistance and corrosion resistance, solid and durable to use.
Good heat dissipation performance ensures safe and efficient work.
Easy and convenient to install and remove.
Used to extend the life of the transmitter and the transmission effect.
Suitable for PCB, router, CPU, IC radiator, power amplifier board, power amplifier, power, module, mainboard, audion, electronic tube, electric appliance, electronic parts and components.
Specification:Condition: 100% Brand New
Item Type: Aluminum Heat Sink
Material: 6063-T5 Extruded High Quality Aluminum
Model: P40*8*30-B
Size: Approx. 40*8*30mm / 1.6*0.3*1.2inch
Quantity: 5pcs
Color: Black
Function: Heat Dissipation
Package List:5 * Aluminum Heat Sink
Note:1. Please allow slight error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

Features:
100% brand new aftermarket car headlight LED adapter.
Allows you to install the LED lights in your car like native bulbs without to use modification.
With the adapter, the LED bulbs can be locked into your car's stock headlight housing firmly.
Made of high quality plastic material, corrosion resistance and durable.
Easy to install, perfect fit for MG GS Skoda Octavia.
Specifications:Material: Plastic
Color:
Size: as picture show
Package Weight: approx.7g
Fitment: for MG GS Skoda Octavia
Package Included:1 x Pair of Headlight Adapters

Feature:1. battery charger for solar powered system.
2. Power supply voltage DC 4.4-6V, charging output voltage DC 4.2V.
3. Maximum charging current/output current is 1A, but you can change the current by changing the value of the R1 resistor.
4. Automatically adjust the charging current according to the output capacity of the input power supply.
5. Precharge adjustment for restoring deep discharge batteries and minimize heat dissipation at the initial charging stage.
6. Constant current/constant voltage operation with thermal regulation maximizes charging rate without overheating .
7. Automatic low power sleep mode when the input power voltage is removed.
8. C/10 charge termination.
9. Automatic recharge.
10. Battery overvoltage protection.
Specification:
Item Type: Battery Solar Charge Module
LED Indicator: ''CR'' LED is charge status indicator; ''OK'' LED is charged OR constant voltage mode
Dimension: 18x10.16x2.7mm
Options: with Pin, without Pin
Weight: 0.9g(with Pin), 0.6g(without Pin)
Instruction:The adaptive unit on the module can adjust charging current automatically based on the output capability of input power supply, so it is for the solar-powered systems, or the applications that need to charge -ion battery or battery with an input power supply whose output capability is limited.
If your solar panel is 5V, then you can use it directly. Of course, the module can also be powered by a 5V DC power supply.
Package List:1 x Solar Charge Module

Features:1. Resistor range from 10-1M Ohm values; ±1% tolerance, 1/4W; work flawlessly within tolerances.
2. Clear colored bands with color guide to make the job easy for you.
3. User-friendly design, it has already been labeled and arranged for you.
4. High stability and low temperature coefficient.
5. Automatic insertion is applicable.
Specification:Condition: 100% Brand New
Material: Metal Plastic
Size: Approx. 86 * 60 * 20mm/3.2 * 2.4 * 0.8in
Weight: Approx. 39g
Specific Specifications:
1% 30 kinds of resistance each 10
10 Ω
200 Ω
510 Ω
3. 3K Ω
20K Ω
220K Ω
22 Ω
220 Ω
680 Ω
4. 7K Ω
47K Ω
300K Ω
47 Ω
270 Ω
1K Ω
5. 1K Ω
51K Ω
470K Ω
100 Ω
330 Ω
2K Ω
6. Ω
68K Ω
680K Ω
150 Ω
470 Ω
2.2K Ω
10K Ω
100K Ω
1M
Package List:300pcs 1/4w Resistor Kit
Note:Due to the heavy and tedious work of packaging, there may be a slight difference of number of 1-2 or repetition of individual product. Thanks for your understanding.
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Feature:1. The plastic LED light is very suitable for professional completion of work.
2. Plastic bracket can easily fix the LED on the board, which keeps high practicality.
3. Light is also called a bezel, or casing. And diode 's quality is guaranteed, you can use it with confidence.
4. 5mm plastic LED light clip baffle mount can be easy to use in the practical life.
5. Built to strict quality control standards, diode mount is improved for more durability.
Specification:
Item Type: Diode
Material: ABS
Color:
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Package List:200 x Diode

Features:
This is a 2.4GHz WiFi development board that is based on -12E.
It adopts modern mature LUA technology. It is an integrated unit with all available resources on board.
It is super simple to complement your existing projects or any development board that has I / O pins available.
Modern Internet development tools, can achieve your immediately.
It is built based on the mature ESP8266 technology to take advantage of the resources available on the web.
It has -12E serial WiFi on board, which is integrated with GPIO, PWM, ADC, I2C and 1-WIRE resources.
It has built-in super reliable industrial CP2102 USB to TTL serial circuit to support all platforms.
Specifications:
Color:
Size: 5*2.6cm/1.9*1in
Quantity: 1
Weight: 9g(approx.)
Package Includes:
1 x WiFi Module

Features:1. Made of high quality Carbon Film material, durable and long service life.
2. This potentiometer has high accuracy, good stability and small temperature coefficient.
3. Easy installation, save time and effort, a perfect fitting.
4. Reasonable size and lightweight, portable for carrying and using.
5. Good contact performance can guarantee stable working.
Specification:Condition: 100% Brand New
Item Type: Potentiometer
Model: RV24YN20F
Type : Single Circle
Use : Ordinary
Material: Carbon Film
Performance : Power
Resistance Adjustment Method: Rotating Type
Rated Power: 2 (W)
Resistance Tolerance: ±5 (% )
Resistance: 5K
Package List:1 * Potentiometer
Note:1. Please allow slight error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

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Features:
These ceramic capacitors are compact and offer high-capacitance capacitors.
Made of high quality military materials,which provide the capacitor extremely high voltage and frequency characteristics.
These ceramic capacitors has 10KV high voltage, and the capacitance is 1000PF.
This is a great set of capacitors for electronic professionals or enthusiasts.
Essential components for high voltage or UHF devices, such as high voltage and UHF equipment, CT, X-, negative ion products, lasers, electrostatic generators, high voltage generators,and small household appliances.
Specification:
Voltage: 10KV
Capacitance: 1000PF
Maximum Frequency: 1000KHz
Quantity: 10pcs
Diameter: 10mm / 0.4in
Weight: 18g / 0.6oz (approx.)
Package list:10 * Capacitors

Features:1. With the body made of 40 steel, the head welded by YG8C alloy, this Drill Bit is very and durable.
2. The cutting edge is very , making hole drilling process become very easy and convenient.
3. Straight shank , suitable for electric hammer Only.
4. Applicable to drilling concrete, masonry and other materials.
5. Three sizes, namely, 6mm / 0.24inch, 8mm / 0.31inch, 10mm / 0.39inch; length: 110mm / 3.94inch.
Specification:Condition: 100% Brand New
Item Type: Drill Bit
Materials: 40 Steel YG8C Alloy
Quantity: 3Pcs
Package Weight: 120g
Length: 110mm / 3.94inch
Three Sizes: 6mm / 0.24inch, 8mm / 0.31inch, 10mm / 0.39inch
Package Included:
1 x Drill Bit (6mm)
1 x Drill Bit (8mm)
1 x Drill Bit (10mm)

Features:1. Made of 6063-T5 high quality extruded aluminum, which has good rust resistance and corrosion resistance, sturdy and durable.
2. Unique shape design maximizes the heat dissipation area and improves the heat dissipation function.
3. Good heat dissipation performance ensures safe and efficient work.
4. Easy and convenient to install and disassemble.
5. Suitable for router, CPU, bridge chips, IC , , power amplifier board, power amplifier, power supply, module, mainboard, audion, electronic tube, power board, electrical appliances and electronic components.
Specification:Condition: 100% Brand New
Item Type: Aluminum Heat Sink
Material: 6063-T5 High Quality Extruded Aluminum
Product Model: P2505 White
Color: As Pictures Show
Size: Approx. 25 * 25 * 5mm / 1.0 * 1.0 * 0.2inch
Package List:10 * Aluminum Cooling Fin

Product Description:size: 40*40*11MM
Color: Black
Tooth number: 8
Tooth number: 13
Tooth thickness: 1.1mm
Baseplate thickness: 2.2mm
Package included:1x Heat Sink
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Features:
This is a boost module, step up transformer.
Input DC 12V, 220V AC can be obtained at the other end.
High frequency, higher output power, can drive 0W energy saving lamps.
This module can convert 8V-13V DC voltage to household 220V AC voltage.
Stable output voltage, high efficiency, low heat.
Specification:
Item Type: DC-AC Inverter Power Supply
Input Voltage: 12V DC
Output Voltage: 220V AC
Power: 40W
Module Size: 4.3x3.8x2.5cm/1.69x1.50x0.98inch
Package List:
1 x Step Up Transformer

Feature:1. The set including multiple inductance to meet different needs.
2. These inductance are of good durability and very useful.
3. These inductance are very light and portable.
4. The color of the inductance indicates the inductance value.
5. Professional and practical design with beautiful appearance.
Specification:
Item Type:Inductor
Inductance:1UH
10UH
22UH
33UH
47UH
100UH
150UH
220UH
330UH
470UH
560UH
1MH
Power:1/4W
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Package List:120 x Inductor(10 Pcs of Each Type)

Features:
High quality breadboard designed for solderless testing of electronic circuits, reusable, environmental recycling.
Various electronic components can be inserted or pulled out as required.
Quickly build an electronic circuit prototype that can be easily modified.
No soldering required, saving circuit assembly time.
Perfect for electronic circuit assembly, debugging and training.
Specification:Plastic Parts: ABS
Weight: 64g / 2.3oz
Tie Points: 700 holes
Layout: 60 lines, 12 rows, 700 holes
Matching jumper wire diameter: 0.8mm
Size: 175 * 45 * 8mm / 6.9 * 1.8 * 0.3in
Package List:1* Breadboard

Features:
100% brand new and high quality
The high voltage ceramic capacitors are made up of high quality military material, which provides the capacitor with good characteristics of very high voltage and frequency.
With excellent humidity resistance and reliable performance.
Wide application: Indispensable components for high voltage or the UHF instruments, such as high voltage and high frequency equipment, CT machine, X-ray machine, anion products, , electrostatic generator, detection equipment, transformer, fly back transformer, ignition, high voltage generator, electric batons, voltage multiplying module , electric equipment and small home appliance products, etc..
This is a great capacitors set for electronic professionals or enthusiasts.
Specifications:
Color: Blue
Capacitor: 1000pF
Rated Voltage: 20KV
Capacitance: Within the Specified Tolerance at 1KHz± 20% , 1.0± 0.2Vrms
Capacitance Tolerance:± 20%
Dissipation Factor(DF):DF≤2.0% at 1KHz± 20% , 1.0± 0.2Vrms
Dielectric Withstanding Voltage :1.5UR for 2 to 5s (Charge/Discharge Current≤50mA)
Insulation Resistance :10000MΩ min at 500VDC and 1minute electrification
Working temperature: -25 °C ~85 °C
Diameter:15mm/0.6in
Weight: Approx.24g/0.8oz
Package list:
5 x Ceramic Capacitor

Feature:1. High , stable performance and convenience to use.
2. Durable construction for long-lasting performance.
3. Perfect use for DIY, electrical equipment and electrical appliances.
4. The resistors assortment kit is convenient and practical.
5. 65pcs of the resistors can meet different using needs.
Specification:
Condition: 100% Brand New
Item Type: Resistors Assortment
Product Resistance: a total of 13 values, each value 5pcs.
100 ohm (101)
200 ohm (201)
500 ohm (501)
1K(102)
2K(202)
5K(502)
10K(103)
20K(203)
50K(503)
100K(104)
200K(204)
500K(504)
1M(105)
Quantity: 13 values x 5pcs, a total of 65pcs
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Package List:65 x Resistors

Feature:1. Named as a frame or a casing, such diode keeps guaranteed quality, you can use it with confidence.
2. The 5mm plastic flat buckle LED light is clip baffle mount.
3. plastic LED light is very suitable for professional completion of work.
4. Easily fix the LED on the board, plastic led bracket is with high practicality., which can be durable.
5. Through strict quality control standards, diode mount is improved for more durability.
Specification:
Item Type: Diode
Material: Plastic
Color:
Working Temperature: -20℃~120℃
Size: Approx. 5mm / 0.2in
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Package List:200 x Diode

Features:
This module is a finished module of transformer/booster for small scientific production.
It can output high voltage arc: small size and high efficiency.
The input voltage is DC3.6-6V and will output DC20KV high voltage.
It can be used for high voltage experiment, teaching, and product development.
Two high voltage wires can light up cigarette or paper, single high voltage wire can discharge to any metal quietly.
Specifications:
Input Voltage: DC3.6V-6V
Working Current: 1.5A
Output Voltage: DC20KV
Output Current: 0.05A
Electric Arc Distance: 5mm
Red Wire: Input positive
Green Wire: Input negative
Note:
1, Output ends of cable should be adjusted properly before power on, and the arc distance depends on battery voltage and capacity.
2, The arc distance should be from short to long, do not produce a longest arc at first or the module might be damaged easily.
Package Includes:
1 x High Voltage Generator

Iic/i2c Adapter Board/1602 Interface Adapter Board LCD1602 IIC/I2C Interface
Features:
This adapter solves problem that IO port is not enough when connecting sensor, card or relay modules to control board.
Original 1602 display need 7 IO port to drive, while this adapter can save 5 IO port for you.
It supports I2C protocols, designed with IIC/I2C port.
Designed with backlight and contrast ratio adjustment potentiometer.
Convenient to use, 4-wire output is more simple.
Specifications:
Power Supply Voltage: 5V
Device Address: 0x20
Size: 5.2*2.4cm/2.05*0.94in
Weight: 5g(approx.)
Package Includes:
1 x Adapter Board

Features:
1. 100% brand new and high quality.
2. This protection board is suitable for 6 series 3.7V 18650 li-ion cell.
3. Support overcharge protection, overdischarge protection, overcurrent protection and short circuit protection.
4. The circuit board is made with high quality electronic components, stable and reliable.
5. Quality assurance, long service life.
Specification:
Max discharge current: 15A
Instantaneous discharge current: 25A
Charge voltage: 25.5V
Charging current: 15A(Max)
Overcharge detection voltage: 4.28±0.05V
Overdischarge detection voltage: 2.55±0.08V
Overcurrent detection voltage: 150mV
Overcurrent protection current: 30±3A
Working current: ≤30uA
Sleep current (when overdischarge): ≤10uA
Working temperature: -30~80℃
Size: 50*32mm/1.97*1.26in
Package weight: Approx. 7g
Package List:
1 * Protection Board for 18650 Battery

Specifications:Input Voltage: DC 3 V to 6 V
Input Current: 2 A - 5 A
High Pressure Type: The type of pulse current
Output Voltage: 400000V(please pay attention to safety)
High Pressure Discharge Distance Between: Approx.10 ~ 20mm / 0.4 ~ 0.8in
The Output High Voltage Wire Length: Approx. 100mm / 3.9in
Input Power Cord Length: Approx. 100mm / 3.9in (the red line is positive)
Wiring:Red and green power connection red line:" " green line "-"
output: the other side ,same color cable
Size: Approx. 24 x 22 x 63mm / 0.9 x 0.9 x 2.5in
Please Notice:The high-voltage module should avoid the use of electricity in high voltage no-load . (Power must be adjusted to a suitable distance to the high-voltage output line , battery capacity is proportional to the distance and the use of the high-pressure arc ( not a voltage as high as possible , you must provide enough current ) . Experimental test of the arc distance from short to long , Do not exceed the maximum arc distance electricity, energy can not be released due to high pressure , can easily damage the module. )
Work: intermittent , continuous work does not allow more than 1 minute and the output side does not allow shorting . Improper voltage and long working hours easily damaged module
Package included:
1 X High Voltage Transformer
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D1-Mini WIFI 11-pin WIFI Development Board Module Based On 8266EX 5V 3.5 X 2.5
Features:
1. Adopted of high quality electronic components, and process, for the durability
2. Based on 8266EX, it has stable performance.
3. The pin has good contact performance, stable working
4. With 11pcs I/O pin, it has great connecting performance.
5. Small body, it is easy to install and use.
Specification:
Condition: 100% Brand new
Based on 8266EX
11 x I/O pin
1 x ADC pin (input 0-3.3V)
Onboard 5V 1A Switching Power Supply (maximum input 24V)
Size: Approx. 3.5 x 2.5cm / 1.4 x 1in
Package List:
2 x Long Female Pin
2 x Short Row Female Pin
2 x Ordinary Pin Header
1 x D1-Mini Development Board

Features:
No need backlight, the display unit can emit light.
High resolution: 128 * 64 (same as the LCD12864, but this product's sharp is more intensive).
Support a large number of control chip: compatible for , 51 series, MSP430 series, STM32 / CSR chip etc.
Ultra low power consumption: the power is 0.08w when full-screen lighting, 0.06w when normal full-screen displays Chinese characters (far lower than TFT, LCD and other technologies).
Wide voltage support: no need to modify, direct support 3V ~ 5V DC.
Less occupancy of IO port: need 4 IO port (Max. ) to drive system when using or IIC communication.
No character library: take word through model software.
Specifications:Driver chip: SSD1306
Visual angle: > 160 ° (almost at a plane)
Wide voltage support: 3V ~ 5V DC
Operating temperature: -40 ℃ ~ 70 ℃
Module volume (length and width): 27.3MM * 27.8MM * 3.7MM (slightly larger than a coin)
Package Weight: 4g
Package List:1 x LCD Module

Features:
The board uses WS2812S chip, used for 5050 LED.
It supports high brightness and RGB color.
Built in chip, it can connect a lot of lights in series.
After connection in series, each light can control color independently.
No matter for how much lights, it only need one control cable and two power cables.
Specification:
Chip: WS2812S
Application: For 5050 RGB LED
Weight: 22g / 0.8oz (approx.)
Package list:5 * Boards with Pin Headers

Feature:
The operation is very simple, adjust the resistance by the knob.
500 ohm nominal resistance.
The allowable deviation of the resistance is only ±0.002% , and the is high.
Low power consumption, rated power consumption is only 2W.
The knob is marked with a scale, and the resistance can be adjusted according to your needs.
Specification:Model: 3590S-2-501L
Type : Multiple circles of wire
Material: Carbon film
Performance : Power
Resistance adjustment method: Rotary
Resistance change mode: X (linear)
Nominal resistance: 500Ω
Rated power: 2W
Resistance tolerance: ±0.002 (% )
Package list:1 * Potentiometer(include accessories)
Note:The actual product color may deviate from the photo due to light.
There may be a slight deviation in the measurement of product.

Features:
1. Red light flashes when charging, red light is always on to indicate full; discharge blue light is flashing
2. A single-chip solution designed for mobile power, with integrated charge management module, discharge management module, power detection and LED indicator module and protection module.
3. Built-in charging and discharging power MOS, charging current can be set, Z large charging current and Z large discharging current 1A.
4. It integrates almost all protection functions such as constant temperature charging operation mode, over temperature protection, over charge and over discharge protection, output over voltage protection, output overload protection, output short circuit protection, etc. to make sure the safety of the chip and ion battery.
5. The application circuit is simple, and charging management and discharge management can be realized with few components.
Specification:
Condition: 100% Brand New
Charge and Discharge Status Indication: red light flashes when charging, red light is always on to indicate full; discharge blue light is flashing
Built-In Charging And Discharging Power Mos
Input Voltage: 3.7V~5.5V
Charging Current: Z 1A
Output Current: Z is 1A
Output Voltage: 5V
BAT Discharge Termination Voltage: 2.9V
Preset 4.2V Charge Voltage with ±1% accuracy
Discharge Efficiency: 85% (input 3.7V, output 5V/1A)
Z Large 8ua Standby Current
Integrated Charge Management and Discharge Management
Intelligent Temperature Control and Over Temperature Protection
Integrated Output Overvoltage Protection, Short Circuit Protection, Heavy Duty Protection
Integrated Overcharge and Overdischarge Protection
Package List:
10 * Step Up Power Supply Module

Description:
This is an extending kit for Raspberry Pi 1B / 2B/ 3B, consisting of a T-type GPIO extension board and 40Pin ribbon flat cable, so you can easily connect it to external peripherals and do breadboard test.
Features:
Widely used for extending input and output port, compatible with for Raspberry Pi 1B / 2B/ 3B.
40 Pin GPIO cable ensure good contacts and suitability, meet your extending requirements.
High quality flexible ribbon cable, copper core, rainbow looking, efficiently avoid from interference, safe and durable to use.
T-type GPIO extension board for easy extension, can be applied to breadboard test.
No additional installation drive required, easy to use.
Specifications:
Color: Shown as the pictures.
Applicable Models: For Raspberry Pi 1B / 2B/ 3B
Cable Core: Copper Core
Cable Connector Type: 40 Pin Female to Female
Cable Length: Approx. 20cm / 7.9in
GPIO Extension Board Size: Approx. 74 x 59 x 20mm / 2.9 x 2.3 x 0.8in
Package Size: 49g
Package List:
1 x 40Pin Female to Female GPIO Cable
1 x T-Type GPIO Extension Board

Features:
This controller is used for emergency battery switching; when there is power on main power source terminal, it will connect to main power source as power supply; otherwise, it will automatically switch to battery.
When the power on main power source is back, it will switch to main power.
Designed with screw terminals for convenient wire connection.
Convenient to use, it will automatically identify voltage between 12V and 48V DC.
Widely used for controlling power supply of incubator, laptop, .
Specifications:
Voltage: DC12V~48V
Load Current: 10A
Size: 5*3*1.8cm/1.9*1.2*0.7in
Quantity: 1
Weight: 22g(approx.)
Note:
1, Voltages of power source, battery and load should be the same.
2, When it switches, there will be a temporary power failure for about less than 1 second.
Package Includes:
1 x Controller

Description:Size: 100*60*10MM
Material: Aluminum
Color: Argentate
Tooth number: 16
Tooth thickness: 1mm
Baseplate thickness: 2.2mm
Tooth pitch: 3.8mm
Package include:1x Heat Sink
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Feature:1. This module adopts 0.66 inch display, which is used in for D1 mini development board to facilitate the display function for D1 mini development board.
2. Precise cuts and interfaces perfect fit, suitable for mounting positions and easy to install.
3. The product uses high quality materials to effectively avoid corrosion and wear and durable use.
4. Adopting professional chipset, to superior performance in the system.
5. This display module is easy to operate, anti-aging, and extend the service life.
Specification:
Item Type: Module
Screen Size: 64x48 pixels
Working Voltage: 3.3V
Driver: IC: SSD1306
Interface: IIC (I2C)
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Package List:
Module x 1
Other Accessories x 2

Features:
Universal prototype PCB circuit board, double sided, tin plated, used for point to point DIY soldering.
Universal PCB board is 4 x 6cm, 2. 54mm hole pitch, hole diameter is Approx. 1mm
Great for building a prototype of an electronic circuit.
Referencing letters printed on both sides for easy reference of individual holes.
The board is treated with flux for easy soldering and extended serving life.
Specifications:
Material: FR-4, Tin
Hole Diameter: Approx. 1mm
Hole pitch: Approx. 2.54mm
Install Hole Dia: Approx. 2mm
Size: Approx. 4 x 6 cm / 1.57 x 2.36in
Weight: 70g
Package included:
10 x Universal Circuit Board
Features:
Universal prototype PCB circuit board, double sided, tin plated, used for point to point DIY soldering.
Universal PCB board is 2 x 8cm, 2. 54mm hole pitch, hole diameter is Approx. 1mm
Great for building a prototype of an electronic circuit.
Referencing letters printed on both sides for easy reference of individual holes.
The board is treated with flux for easy soldering and extended serving life.
Specifications:
Material: FR-4, Tin
Hole Diameter: Approx. 1mm
Hole pitch: Approx. 2.54mm
Install Hole Dia: Approx. 2mm
Size: Approx. 2 x 8cm / 1.97 x 2.76in
Weight: 48g
Package included:
10 x Universal Circuit Board

Features:
This module is a finished module of transformer/booster for small scientific production.
It can output high voltage arc, small size and high efficiency.
The input voltage is DC4.8V-6V and will output 50kV-800kV high voltage.
It can be used for high voltage experiment, teaching in high school or college.
The peripheral circuit is simple, simply connect to switch and battery, and the discharge is great.
Specifications:
Input Voltage: DC4.8V~6V
Input Current: 2A~5A (related to input voltage)
Output Voltage: 50V-800kV(related to input voltage)
Electric Arc Distance: <20mm
Wiring:
Battery positive: Red (or Yellow) wire
Battery negative: Green (or White) wire
Note:
1, Output ends of cable should be adjusted properly before power on, and the arc distance depends on battery voltage and current.
2, The arc distance should be from short to long, do not produce a longest arc at first or the module might be damaged easily.
3, The module has high power and inner heat is not easily dissipated, so it can not work continuously for long time (<1 minute each time). Two output wires can NOT connect to each other.
Package Includes:
1 x High Voltage Generator

Features:
1. Made of high quality material, durable and long service life.
2. This potentiometer has high accuracy, good stability and small temperature coefficient
3. High temperature resistance and strong power load capacity.
4. Good contact performance can guarantee stable working
5. Widely used in electronic instruments and meters.
Specification:
Condition: 100% Brand New
Model: 3590S-2-101L
Type : Multiple Circles
Application : Accuracy
Material: Carbon Film
Performance: Power
Resistance Adjustment Method: Rotating Type
Resistance Change Mode: X Type (Straight Type)
Nominal Resistance: 100 ohms
Rated Power : 2W
Resistance Tolerance: ±0.002%
Package List:
1 * Potentiometer
1 * Hex Wrench

1Pcs Display Module 0.49 Inch SSD1306 Resolution 128*32 I2C IIC Interface (White
Features:
This is a 0.49 inches display module of 128x32resolution in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current.
Working without backlight, the display module could give out light by itself.
In low ambient light conditions such as a dark room, an screen can achieve a higher contrast ratio than an LCD.
display module also has a much faster response time than an LCD.
The display with small dimension is suitable for MP3, function cellphone, smart health device, etc.
Specifications:
Display Size: 0.49in
Resolution: 128*32
Text Color: White, Blue (Optional)
Driver IC: SSD1306
Interface Type: IIC
Pin Quantity: 4Pin
Size: 0.045*0.194mm
Operating Temperature: -40~85℃
Working Voltage: 3.3~5V
Interface:
GND: Ground
VCC: Power supply 3.3~5V
SCL: IIC clock
SDA: IIC data
Package Includes:
1 x Display Module
Note:
1, This kit requires certain professional knowledge and ability, please make sure you know how to wire and use it.
2, display module could give out light by itself and it has no backlight, so it will not response if only connecting to power supply. It can only display with program and right operation.

Description:This DIY die USES a small vibrating motor to vibrate the dice. Or you can stand on your head, and you can feel the vibrating motor shaking. Seven leds will display vibration differential Numbers. Dice about 10 seconds, the LED will show the breath effect (gradually changing the brightness). This is a simple and fun DIY project built entirely out of DIP components for beginners.
Features:1. Seven 5mm creamy white LED displays.
2. All DIP components to build.
3. Red PCB.
4. Small vibration motor to create the vibrating effect.
5. Standby mode will show the breathing led effect.
6. Using 3mm acrylic to combine the cube shape.
7. 6V power supply(use two CR2032 battery, not included).
8. Different color option: red, yellow, white, blue, green.
Specifications:Condition: 100% Brand New
Size: Approx. 40 * 40 * 25 mm / 1.5 * 1.5 * 0.9 in
Weight: Approx. 23 g
Color: Red, Yellow, White, Blue, Green (Optional)
Function:1. Turn on the switch button to turn on the power,and then shake or stand upside down the led dice,
it will shows the random number as the motor is vibrating.
2. Stand still about 10 secends will enter the Standby mode,it will show the breathing led effect.
Package Included:1 x DIY Shaking LED Dice Kit With Small Vibration Motor(Not included the battery)
Notes:1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding.
2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

Description:This DIY die USES a small vibrating motor to vibrate the dice. Or you can stand on your head, and you can feel the vibrating motor shaking. Seven leds will display vibration differential Numbers. Dice about 10 seconds, the LED will show the breath effect (gradually changing the brightness). This is a simple and fun DIY project built entirely out of DIP components for beginners.
Features:1. Seven 5mm creamy white LED displays.
2. All DIP components to build.
3. Red PCB.
4. Small vibration motor to create the vibrating effect.
5. Standby mode will show the breathing led effect.
6. Using 3mm acrylic to combine the cube shape.
7. 6V power supply(use two CR2032 battery, not included).
8. Different color option: red, yellow, white, blue, green.
Specifications:Condition: 100% Brand New
Size: Approx. 40 * 40 * 25 mm / 1.5 * 1.5 * 0.9 in
Weight: Approx. 23 g
Color: Red, Yellow, White, Blue, Green (Optional)
Function:1. Turn on the switch button to turn on the power,and then shake or stand upside down the led dice,
it will shows the random number as the motor is vibrating.
2. Stand still about 10 secends will enter the Standby mode,it will show the breathing led effect.
Package Included:1 x DIY Shaking LED Dice Kit With Small Vibration Motor(Not included the battery)
Notes:1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding.
2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

Features:
100% brand new and high quality.
This product is 10k potentiometer VSD VFD for variable drive invert
This potentiometer is screw type terminals, no soldering required.
Resistance adjustment mode is simply , easy to use.
This 10k Potentiometer is used for variable drive invert.
Specifications:
Model: LA42DWQ
Resistance tolerance: ±0.5（% ）
Contact resistance: 20（Ω）
Insulation resistance: 100 (M Ω)
Resistance adjustment:
Resistance change mode: D type (index type)
Nominal resistance: 10K
Weight: 31g
Package included:
1 x 10k Potentiometer
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Features:
1. High quality polyester film capacitors with stable performance.
2. The specifications of the capacitors is marked on its surface.
3. Lightweight with simple structure, easy to use.
4. Great choice for electronic professionals or enthusiasts.
5. Suitable for old radios and tube amplifiers.
Specifications:
Material: polyester film
Quantity: 10pcs
Voltage: 630V
Capacitance: 0.022uF
Diameter: 5.7mm/0.22in
Capacitor Body Length: 15.3mm/0.6in
Weight: Approx. 9g
Package Included:
10 x Axial Polyester Film Capacitors
Note:
1. Due to the difference between the monitors and light effect, the picture may not reflect the actual color of the item.
2. Please allow small deviation due to manual measurement. Thanks for your understanding.

Heatsink Aluminum Alloy Heat Sink Block DIY Single Head 3D Printer Accessories
Feature:1. Made of aluminum material, providing better heat dissipation
2. Adopt aluminum alloy material which can improves service life
3. Great workmanship, perfect replacement for the old one
4. High quality and good processing, great accessories for 3D printer
5. The heat sink can fit for 3D printer
Specification:
Item Type: 3D Printer Heat Sink
Material: Aluminum alloy
Application: 3D printer
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Package List:1 x Heat Sink

Feature:1. If particles are accidently falling on the ground, and they are very easy to break in such a state. When those particles are broken, which could result in memory can no longer be used, and such unpleasant situation can be avoided by such a heat sink.
2. Made of high quality pure aluminum material, it is entitled with very nice heat dissipation.
3. It can better protect your memory bank, especially when DDR2, DDR3, DDR4 particles accidentally dropped on the ground.
4. For its powerful performance, it can effectively protect memory components from electrostatic attacks.
5. Being compatible with DDR, DDR2, DDR3, DDR4 desktop memory bank, it is also compatible with server memory banks which are wide or narrow, single or double sided.
Specification:
Item Type: Heat sink
Material: Aluminum
Quantity: 2PCS
Applicable Models: Desktop
Applicable Memory Models: DDR, DDR2, DDR3, DDR4
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Package List:
2 Set x Cooling Vest
4 x Thin Heat Sink
2 x Thick Film

LED Connector 3-Way 3-Core Y-Type Wire Plug for Electrical Accessory Waterproof
Feature:1. The shell is made of imported nylon PA66 flame retardant, which is anti- for long life.
2. Double waterproof and outside aprons can keep good waterproof effect.
3. Scope of application includes power supply, , communication, equipment, lighting, etc.
4. And it is suitable for quick connection of home, garden, farm, underground or outdoor lighting as well as external wiring.
5. After many inspections before leaving the factory, the quality is guaranteed, you can use it with confidence.
Specification:
Item Type: Waterproof wire connector
Metal Material: Brass
Plastic Material: Nylon
Seal Material: Silicone
Number of Cores: Three core
Current / Voltage: 24A/450V
Temperature Range: -20 ° C to 85 ° C
Applicable Wire Diameter: 0.75-2.5m㎡ (AWG18-15)
Waterproof Rating: IP68
Package List:1 x Connector

Features:
Power supply EMI filter is a kind of reactance-type low-pass filter, installed at the power supply input of electronic equipment.
It can inhibit noise transmitted through grid power cable, and can inhibit high-frequency interference signals generated by the electronic device itself.
High quality imported components provide obvious filtering effect.
EMI has become a must have device installed in electronic equipment.
Widely used for precision measuring instruments, building automation, precision machinery, elevator lifting equipment, automated system, calculator inverter office equipment, servo system inverter equipment, frequency conversion equipment, lighting equipment, information and communication equipment, UPS power supply, automotive electronics, etc.
Specifications:
Module Filtering Categories: 2-stage filtering
Module Current: 6A; 25A (Optional)
Length: 9.5cm/3.7in
Weight: 50g(approx.)
Note:The selection of EMI filter should consider its working voltage, working current, withstand voltage.
EMI filter should be installed at the inlet of power supply, to reduce radiation interference.
It is better to choose twisted-pair cable as EMI filter connection cable, which can eliminate some high-frequency interference signal.
EMI filter input and output cable must not be parallel, keep them away from each other to a certain distance in order to the function of filter.
E point and case of EMI filter must be in good contact, and connect to ground wire.
Package Includes:
1 x Filter Board

100 Set LED Lamp Light Bulb Socket White Plastic Chroming Light Emitting Diode
Feature:1. The light is suitable for 5mm LED
2. Made of plastic chrome plated, durable and long service life
3. The hole open is 10mm, with nut for easy fixing
4. Including 100 set light , easy to install and remove
5. Professional design, convenient to replace and can match the LED perfectly.
Specification:
Item Type: Emitting Diode
Hole Open: 10mm
Material: Plastic Chroming
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Package List:100 Set Emitting Diode (1 set= Nut Plastic Core)

Feature:1. The module has simple 4-digit segment display
2. Made of high quality material, durable and long service life
3. The number of digits displayed is the decimal point, which can provide a clear reading
4. The pin has good contact performance, ensure stable working
5. Suitable for 2-pin digital I/O connection module
Specification:
Item Type: LED Display Tube Module
Product Description:
1. Simple 4-digit segment display module
2. The number of digits displayed is the decimal point
3. Connection module for 2-pin digital I / O
4. Suitable For: TM1637.h
5. Light Color: Red / green / yellow / white (as shown)
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Package List:1 x LED Display Tube Module