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Description 100% Brand new and high quality.
Product Shape: Same as the picture show
1. Supporting the D1 MINI
2. The Arduino Compatible, Using Arduino IDE Programming
3. 11 the XI/O Pins
4. 1 XADC Pin (0-3.3 - V)
5. Support the OTA online
 

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Free Shipping 400pcs dupont cable jumper wire dupont line male to male dupont line 20cm 1P 40P for arduino

16 CH With Optocoupler(Blue)
1. The control signal voltage range: the trigger signal is low 0-2V; high voltage must not exceed 5V.
2. The use of the industry's top quality optocoupler isolation, strong anti-interference ability, stable performance; the trigger current is only 3mA.
3.1-16 road can be any full on / off, or any road.
4. Output Type: AC 220V 10A directly connected or DC30V 10A load.
Material:CCL
Each relay common COM are independent, user-friendly access to different signals, each relay are normally closed and normally open with a port.
Each relay is equipped with motion lights, pull off, disconnect extinguished.
Interface design user-friendly, all interfaces are available through Terminal direct connection leads, very convenient.
Has four mounting bolts holes for easy installation.
PCB board size: 180MM (L) * 90MM (W) * 20MM (H).
Electrical Parameters:
Supply voltage: 5V (DC)
Supply Current: More than 200mA
Each relay can load: 250V 10A (AC) or 30V 10A (DC)
Product Description:
Power wiring diagram request, not reversed;
product slight chip buck fever is a normal phenomenon, long relay
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.

 

This is a small vibration motor suitable as a non-audible indicator. When the input is high, the motor vibrates, just like your silent mode phone.
Feature:
- Rated voltage: 5.0VDC
- Operating voltage: 3.0 - 5.3VDC
- Rated speed: 9000 rpm minimum
- Rated current: up to 60 mA
- Starting current: up to 90 mA
- Starting voltage: DC3.7V
- Insulation resistance: 10Mohm
- Compatibility: Compatible with UNO R3/ Mega2560
- Great for DIY projects
                                                                                                                                                                                                   
 
  ? Payment Information                                                                                                                                                                                                                                       
We accept Escrow service only.
If you buy more quantity, Please contact us .
buy more parts. used the "Add to cart" we wikk make the discount for you.
We also sell many kind of electronic products.
most of them we still have not published online.so if you need anything you can cotact me
? CUSTOMS DUTY & HANDING FEE:
For all customer orders, we do not charge handing fee, even 1pcs part.
When parts arrived at your local custom, if the parts were charged customs duty, we do not responsible for any custom duty or import tax
 
? Shipping Information
·We will ship out your items within 1-5 business days after the payment is cleared.
 
? Feedbacks
We aim to achieve a 5 stars rating for each and every transaction. please No hasty negative feedbacks!!!.If you have any issues, please CONTACT US before leaving negative feedback, we reply email in 24 hours.
 
If you are not 100% satisfied, PLEASE don't leave a neutral or negative feedback or low 1, 2 before you contact us for help.
Also please note that due to the recent Air Cargo Security Alerts, there may be delays totally outside our control.
 
? Contact Me
If you have any question, please contact us via Trademanager.
Our office hours Monday-Friday, except holiday.
Please don't be discouraged if your email is not answered during non-business hours.
We are closed weekends, so if you email us on Friday, we may not get back to you until next Monday.

 
I2C/IIC
1. Size: 41.5 mm (length) * 19 mm (width) * 15.3 mm (high)
3. PCB color: black
4. The power supply voltage: 2.5-6 v
5. Support the I2C protocol
6. Take a backlight power control, can be set through the jumper cap whether backlight power supply connection. On jumper cap to connect the backlight power supply, unplug jumper cap to disconnect the backlight power supply
7. Contrast can be adjusted, rotate blue potentiometer, enhance the clockwise and counterclockwise. Potentiometer design on the front, convenient customer adjust freely anytime and anywhere
8. The module can cascade, maximum cascade eight. Through the short circuit A0 / A1 / A2 modify device address. The default address 0 x27

3 series 12V 18650 Lithium battery protection board 11.1V 12.6V prevent overcharge 10A overcurrent protection hot

 
New L293D motor shield, the input voltage DC4.5-25V
600mA OUTPUT CURRENT CAPABILITY PER CHANNEL
1.2A PEAK OUTPUT CURRENT (non repetitive)PER CHANNEL
ENABLE FACILITY
OVERTEMPERATURE PROTECTION
LOGICAL "0" INPUT VOLTAGE UP TO 1.5 V(HIGH NOISE IMMUNITY)
INTERNAL CLAMP DIODES
The Device is a mnolithic integrated high voltage,high current four channel driver designed to accept standard DTL or TTL logic levels and drive inductive loads (such as relays solenoides, DC
and stepping motors) and switching power transistors .To simplify use as two bridges each pair of channels is equipped with an enable input. A separate supply input is provided for the logic, allowing operation at a lower voltage and internal clamp diodes are included. This device is suitable for use in switching applications at frequencies up to 5 kHz.

5V 2A Power Bank Charger Module Charging Circuit Board Step Up Boost Power Supply Module 2A Dual USB Output 1A Input

 
Digital light intensity detection Model: GY-302
Dimensions: 13.9mm X 18.5mm
Original BH1750FVI chip using ROHM
Power supply :3-5v
Data range 0-65535
Sensor built 16bitAD converter
Direct digital output, omitting complex calculations, calibration is omitted
Does not distinguish between ambient light
Spectral characteristics close to visual sensitivity
Brightness can be a wide range of high-precision measurement lux

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Tracking info of  China Post Ordinary Small Packet Plus can be check here: www.17track.net/en
 
Features:
- High quality, small sized, easy and convenient to carry
- It can measure current and voltage of the power supply equipment with USB port
- The voltage and current will be displayed circularly
- Plug and play, no extra power supply needed.
Workable range: U= 3.5 - 7.0V, A= 0 - 3A
Resolution: Voltage 10mV, current 1mA
Error Range: Voltage
Full-scale Voltage Drop: 200mV
Notice: The new tracking number for China Post Ordinary Small Packet Plus can be traced only befor it arrive the airport of your country,please choose China Post Air Mail if you want a full tracking info.
 
Tracking info of  China Post Ordinary Small Packet Plus can be check here: www.17track.net/en
 
Workable Temperature: 0 - 60C
Color: Blue or White
Product Dimension(L x W x H): 52 x 34 x 15mm
Product Weight: 17g
Approved: CE / FCC

 
SMD LED -5730 BLUE
SIZE:5.7*3.0*0.9mm
HUE:460-475nm
REF:3.0-3.6v
QTY:1000pcs
I(MA):60-120ma
 

Size: 22.3mm*17mm*4.2mm
Input Voltage:5.3V-26V
Output Voltage:5V
Output Current: 3A(Max)
Working Temperature:-40c-85c
Switching Frequency: 1.5MHz
Conversion efficiency: 96%

Features:
Material: PCB
Font size guide, trace-width diagram, and a set of AWG-sized drills
Centimeter side: 0.1cm marks
 
Package included: 
 
1 x PCB Reference Ruler v2 - 6" PCB Packaging Units for Arduino Electronic Engineers

5V Omron solid state relay 240V 2A, output with resistive fuse 240V 2A 
Size: 24*32*21mm/0.94*1.25*0.82” 
Input Power: 5V DC (160mA) 
Input control signal voltage: 
(0-2.5V state low relay OFF) 
(3-5V state high relay ON)
Module interface: 
Input section: 
DC : positive power supply (by relay voltage power supply) 
DC-: connect power negative 
CH: relay module signal to trigger the end (high level trigger effective)
Voltage version      5V 
Static current         0mA 
Working current    12.5mA 
Trigger voltage      3.3-5V 
Trigger current       2mA

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MODEL   NAME :   LATWT470RELZK   LED
 Manufacturer  :   1LG
Origin :  Korea
 Package  Model:Loaded Quantity  3600PCS  Per  Reel
  Forward Current      (IF ):  400mA
  Pulse Forward  Curren t1     (IFp): 650mA
  Reverse  Current    (IR): 25mA
  Reverse Voltage   (VR):  0.8-1.2V  (5mA)
  Power Dissipation  (PD):  1460mW
  Operatin  Tgemperature   (Topr):   -30 -   90 °C
Storage Temperature   (Tstg):  -40  -   100 °C
  Soldering Temperature     (Tsld):  Reflow Soldering:260 °C
for 10secs
Hand Soldering:350 °C
for 3secs
  Junctio  Tnemperature   (Tj ):  135°C
  Forward  Voltage   (VF):   3.05-3.65V (250mA)
  Luminous Flux    (LM):     lm   (20mA)
Luminous  Intensity  ( IV ) :  23.5cd  (250mA)
  Wavelength    (nm) :  -nm       mA
  CIE : x=0.2960   y=0.2770   (250mA)
  Color Correlated Temperature    (CCT):
  CRI  :   80°
  Viewing angle :  120°
  Lead Frame Type LED Package:  3.5×2.8×0.60mm    L×W×H    d=2.0mm

 
This board is helpful for connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system. This board electrically isolates a controller from the high-power system by use of an opto-isolator IC. This IC has four LEDs and four photodiodes built-in. This allows the low-voltage side to control a high voltage side We often use this board to allow a microcontroller control servos or other motors that use a higher voltage than the TTL logic on the (3.3V or 5V) micro, and may cause electromagnetic interferance with our system as the motors turn on and off. This board will isolate the systems, creating a type of electrical noise barrier between devices This breakout board uses the TLP281 optoisolator and discrete transistors to correct the logic. Comes with four channels. Great for use in noisy circuits where signal lines require electrical isolation A normal LED opto-isolator will invert the logic of a signal. We threw some transistors on this compact board to correct the inversion. What you put into the IN pins, will be replicated on the the OUT pins, but at the higher voltage (HV) Features: Use of low level control high level. Such as the use of single chip microcomputer 3V or 5V voltage 9V or 12V voltage control HVCC maximum not more than 24V. Outlet OUT1 / OUT2 / OUT3 / OUT4 output current is equal to the largest HVCC / 5.1K, maximum absorption current 500mA Input: IN1 / IN2 / IN3 / IN4, SCM or for Arduino IO port, GND with single-chip microcomputer or for Arduino board GND connection. IN1 / IN2 / IN3 / IN4 respectively control the OUT1 / OUT2 / OUT3 / OUT4 Output: OUT1 / OUT2 / OUT3 / OUT4 Output: HVCC: Connection is control of high voltage anode, HGND connection is control of high voltage anode PCB Size: 25*24mm/0.98*0.94

 
If the input voltage is 6 v power output can be reached around 9 to 10 w, if use the battery booster, the output power can be done about 6 to 7 w, considering the pressure drop loss problem, battery produces maximum continuous use power within 5 w!So as not to damage the battery! Start Voltage: DC 1V DC Input: DC 2V-6V DC Output: DC 12V Maximum Output: 8W Maximum efficiency: 90% Volume: 16 * 33MM

The color is sent at random

only the box ,no with board !!

HC-SR602
 
Working parameters:
Pyroelectric human body infrared sensor module, model: SR-602
Sensing distance: up to 5 meters; recommended 0-3.5M.
Output: high level, H=3.3V, L=0V
Power supply DC: 3.3V-15V
Quiescent current: 20uA
Features and uses:
This module has high sensitivity, fast response, small static power consumption, small size, easy to install, and is installed.
The lens, the pin header has been soldered, and the power supply is provided without debugging. Can be used for body sensor lights, alarms, security,
Access control on-demand imaging, automatic equipment for agriculture, forestry and mining.
Key points:
1. The high level time of the output of this product is adjustable, 2.5 seconds to 1 hour, the output time set at the factory.
It is 2.5 seconds, and you can change one chip resistor if you need to change it. Please read the resistance value corresponding to the typical delay time.
Refer to the relevant form below.
2. Blocking time, 2 seconds, not adjustable.
3. The factory is defined as repeatable trigger and cannot be changed.
4. The supply voltage of this module is 3.3V to 15V, and the limit voltage is 2.8V to 18V.
5. Module output timing is: output high level for 2 seconds after power-on, then go low, enter standby
status. If the delay time is changed, the time when the module outputs a high level after power-on will increase accordingly, which can be understood as
The startup time after entering the normal working state after the electric power will increase.
6. After installing the photosensitive element, it does not work during the day, work at night, does not contain photosensitive components, and works all day (  There are no photodiodes on the module,please purchase separately if needed. Recommended: ordinary F3 photodiode  )
It is considered that there is no photosensitive element installed.
7. This module is very sensitive, pay attention to the installation position, try to avoid the heat source radiation source (air outlet / direct sunlight)
8. The sensitivity of this module is adjustable, and you need to change a chip resistor. Please read the relevant table below for details.
grid.
9. When soldering with 220V ordinary soldering iron, it is necessary to unplug the power supply before welding. It is recommended to use
24V low voltage soldering iron, such as domestic white light 936.
10. If you follow the MCU and connect the lamp, please read the reference circuit diagram below.
 
 
 
 
 
 

1.This is a breadboard for the LOLIN NodeMCU Development Board ESP8266-12E for Arduino IDE see other listing
2.Please note this has a pin spacing of 28MM between the rows unlike the unit made by DOIT witch is 23 MM
3.This is compatible with the LOLIN NodeMCU not the DOIT device

1.Output Power:500mW (driving earphone);3Wx2 (driving loudspeaker)
2.Frequency Response Range:50Hz-18KHz
3.Receiving Frequency Range:87.0MHz-108.0MHz (campus broadcast power off);76.0MHz-108.0MHz (campus broadcast power on)
4.Equivalent Noise:>=30dB
5.Power Supply Voltage:3.0V-5.0V
6.Power Supply Current:1000mA (max volume);60mA (minimum volume)
7.Sound Track;stereo
Features:
1.Adopt DSP And FM PLL Technique
2.LCD Display
3.30 Levels Digital Volume Adjustment
4.Power Off Automatic Memory Previous Data
5.Loudspeaker/Earphone Output Automatic Shift
6.Adopt Quartz Crystal Stabilizing Frequency
7.Adopt Audio DSP To Analyse Audio Signal
8.Adopt Incremental Digital Rotary Encoder To Adjust Volume And Frequency
9.30 Levels Digital Volume Adjustment Range
10.Support Serial Port Communication Control

 
Product Introduction: The LM75A or B is a high-speed I2C interface temperature sensor that converts temperature directly to digital signals from -55°C to 125°C and achieves an accuracy of 0.125°C. The MCU can directly read the data in its internal registers through the I2C bus, and can operate four data registers through I2C to set different operating modes. The LM75A has three selectable logic address pins that allow eight devices to be connected simultaneously on the same bus without address conflicts. Characteristics: I2C bus interface, device address 7-bit slave address 1001xxx, 8 devices can be expanded on the same bus; Power supply range: 2.8V ~ 5.5V, temperature range: -55 ° C ~ 125 ° C; The 11-bit ADC provides a temperature resolution of 0.125 ° C; Temperature accuracy: ±2°C (-25°C~100°C) ±3°C (-55°C~125°C) Programmable temperature threshold and hysteresis set point; In order to reduce power consumption, the current consumed in shutdown mode is only 1.0μA; The device can be used as a stand-alone temperature controller at power-up; ESD protection: Under the JESD22A114 standard, it can pass the 2000V HBM mode; Under the JESD22A115 standard, it can pass the 200V MM mode; Under the JESD22-C101 standard, it can pass the 1000V CDM mode; The latch test made under the JEDEC standard (JESD78) can reach 100mA; Small 8-pin package: SO8, TSSOP8 and ultra-small package XSON8U.

CCS811-811 air quality monitoring Digital Internal gas sensor
 
the CJMCU-811 is an ultra-low-power digital gas sensor that integrates a sensor and a CCS801-bit MCU with an analog-digital converter (ADC) for detecting indoor air quality, including carbon monoxide (CO) and a wide range of Volatile Organic compounds (VOCs).
 
air quality sensor CCS811 characteristics:
 
 
Ultra-low power consumption can be used in battery powered equipment
 
high sensitivity, fast heating
 
Intelligent algorithm calculates TVOC / eCO2 values
 
I2C signal output, direct communication with the main system
 
 
 
the main characteristics of the air quality sensor CJMCU-811:
 
metal oxide (MOX) sensors to monitor indoor air quality
 
a-bit MCU is integrated to perform the \'first-level algorithm
 
adc built in for sensor readings and digitized conversions
 
I2C slave interface can be connected directly to the master control system
 
Reset / interrupt control

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Name: New TL-Smoother V1.0 addon module For 3D pinter motor drivers
Filter Size:40*30mm
Dupont Line Length:115mm
 
The TL-Smoother is an addon module for 3D printer stepper motor drivers.
The board provides flyback diodes (freewheeling diodes) for the motor outputs, so that they are also protected against induction voltages in the unpowered state of the driver.
You will got smoother movement especially on the delta-style 3Dprinter under DVR8825 stepper driver and A4988/2 drivers.
Lower vbration lower noise smoother result！
 
TL-Smoother assembly instructions：
https://drive.google.com/open?id=1Kdq4FKcv4PRkuYbeoWxF_myPKDdfZud9XCIloQEaLqs
 
 

new original W25Q128FVSG W25Q128FV W25Q128 W25Q128FVSSIG W25Q128FVSIG W25Q128FVSQ W25Q128FVSIQ SOP8

 
 
 
Detecting range:
3cm-4M
      
Best in 30 degree angle
      
Electronic brick compatible interface
      
5VDC power supply
      
Breadboard friendly
      
Dual transducer
      
library ready
      
Specification:
      
Working Voltage: 5V (DC)
      
Static current: Less than 2mA.
      
Output signal: Electric frequency signal, high level 5V, low level 0V.
      
Sensor angle: Not more than 15 degrees.
      
Detection distance: 2cm-450cm.
      
High precision: Up to 0.3cm
      
Working tempter:-20C___ 60C
      
Weight: 10g
      
Size: 45x 21mm (L x W)
 
 SR04 Connector 4Pin:
 
   VCC  
 
   Echo
 
   OUT
      
   GND
 
 
      
 SRF05 Connector 5Pin:
      
      VCC
      
      Trig (T)
      
      Echo(R)
      
      OUT
      
      GND
   

 
 
 
Detecting range:
3cm-4M
      
Best in 30 degree angle
      
Electronic brick compatible interface
      
5VDC power supply
      
Breadboard friendly
      
Dual transducer
      
library ready
      
Specification:
      
Working Voltage: 5V (DC)
      
Static current: Less than 2mA.
      
Output signal: Electric frequency signal, high level 5V, low level 0V.
      
Sensor angle: Not more than 15 degrees.
      
Detection distance: 2cm-450cm.
      
High precision: Up to 0.3cm
      
Working tempter:-20C___ 60C
      
Weight: 10g
      
Size: 45x 21mm (L x W)
 
 SR04 Connector 4Pin:
 
   VCC  
 
   Echo
 
   OUT
      
   GND
 
 
      
 SRF05 Connector 5Pin:
      
      VCC
      
      Trig (T)
      
      Echo(R)
      
      OUT
      
      GND
   

One Channel Wemos D1 Mini Relay Shield Wemos D1 Mini Relay Module for Arduino ESP8266 Development Board

SMD LED -5730 GREEN
SIZE:5.7*3.0*0.9mm
HUE:520-575nm
REF:2.0-3.6v
QTY:1000pcs
I(MA):60-120ma
 

 

 

 

Feature:
Max.sensitivity: 570nm
Semi sensitivity angle: /-60degree
Package Included:
1 * TEMT6000 Light Sensor TEMT6000 Professional Light Sensor Module for Arduino

TDA7297 amplifier board spare parts dc 12v grade 2.0 dual audio encoding 15w electronic diy kit

100% brand new and high quality
Material: Plastic and Metal
Use: Power on the computer, we will hear the familiar sound of "beep" a sound, generally indicating that the computer can be used normally, the sound is emitted from the "baby."
Red is positive, black line is negative (in fact, regardless of the positive and negative, as long as the interface connected to the Speaker can be used)
Board alarm tone Description
AWARD BIOS ringing of the general meaning is:
1 short: the system starts properly, which we hear every day, but also that machines without any problems.
2 short: General error, please enter the CMOS Setup, reset the incorrect options.
1 long 1 short: RAM or motherboard error, try for a memory, if that does not work, had to replace the motherboard.
1 long 2 short: Monitor or display card error.
1 long 3 short: Keyboard controller error, check the motherboard.
1 long 9 short: board Flash RAM or EPROM error, BIOS damage. For the block Flash RAM try.
Continuous sound (long beeps): memory is not seated or damaged. Re-insert the memory, if that does not work, replace only a memory.
It kept ringing: power supply, display and graphics card connected.
Check all plugs.
Repeat short ring: Power problems.
No sound No display: power problems.
No retail package

 
SMD LED -5730 YELLOW
SIZE:5.7*3.0*0.9mm
HUE:580-590nm
REF:2.0-2.6v
QTY:1000pcs
I(MA):120ma
 

Properties of the lithium battery protection board:
Model: HX - 2S - JH20 overcharging range: 4.25-4.35 v plus or minus 0.05 v
Size: 46.7 * 23 * 3.15mm over voltage range: 2.5-3.0 v plus or minus 0.05 v
Maximum working current: 10 a working temperature: - 40 - 50 °
Maximum instantaneous current: 20 a storage conditions: - 40 - 80 °
Static current: less than 10uA effective life: more than 50,000 hours
Resistance: less than 300 m Ω short circuit protection: to protect and restore must charge
Charging voltage: 8.4 v-9v
The protection board size and device description;
The protective plate size is 46.7 * 23 * 3.15mm
Welding point description:
· B battery anode;
 
· B - connect battery negative terminal;
 
· MMB connect battery 1 to battery 2;
 
· P charging/discharge correct poles (charging end/discharge end sharing);
 
· P - charging/discharge terminal negative terminal (charging end/discharge end sharing).

1, onboard MT8870 complex frequency decoding chip
2, onboard voice input interface
3, onboard 5 LED indicator, easy to view the output status
4, the basic chip has been the main pin leads
5, PCB size: 26.5 (mm) x24.5 (mm)