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New Motor Smart Robot Car Chassis Kit Speed Encoder Battery Box 2WD For Uno
 
2WD smart car upgrade :
1.3D installation drawings
2. Upgrade the code disk , improve the structure of precision from the original 10 cells, 20 cells upgraded to make double precision and strength. Installation will no longer appear when there were no breakage. ( Optical processing costs would more than double )
 
Our factory uses a special magnetic motor 130 motor, rather than the general market, the S \u0026 P Magneto , in the same circumstances operating current , torque is two to three times the original cost increase a lot, plus the amount does not increase .
4. We will be using the motor car had EMC test motor .
Some friends found a good time to make the smart car circuit design , connecting with the program is correct, but the chaos is the sensor is triggered , the microcontroller program is not working properly . Check for a long time to no avail , then I assure you , is your system is sent to the motor brushes spark interferes . We had been using EMC testing of DC motors. Interference phenomenon does not occur . Motor Our shop has been using this motor ( not previously emphasized only )
Invoice :
A car chassis:
Trolley wheels 2
DC Gear Motor 2
Speed encoder 2
Fasteners 4
Caster 1
Four batteries box 1
A high-quality rocker switch
An assembly drawing
Several screws and nuts

15V800mA (12W) Isolated Switch Power Supply Module AC-DC Buck Step-down Module 220V Turn 15V
Description:
1. Input voltage:AC85~265V 50/60HZ
2. Output voltage:DC15V (±0.2V)
3. Output current:500mA
4. Power:12W
5. PCB size:67*32mm
Shipping list:
1 PCS AC-DC Buck Step-down Module

 
DC/DC Boost Converter 8-32V 12v Step-up to 24v 9-46V 150W 8A Power Supply Module
Description:
Module Name: 150W boost module
Module Properties: non-isolated step-up module (BOOST)
Input voltage :8-32V
Input Current: 16A (MAX), if the current is larger than 8A, please add extra heat dissipation.
Quiescent operating current: 15mA (12V liters 20V, the output voltage higher the static too current will increase)
Continuously adjustable output voltage :9-46V
Output current: 8A MAX exceed 4A enhance heat dissipation (input, output differential pressure, the smaller the greater the pressure differential output current)
Output power: natural cooling 90W, to enhance heat dissipation 150W
Operating temperature: -40 to 85 degrees (ambient temperature enhance heat dissipation)
Operating frequency: 380KHz
Conversion efficiency: Up to 95% (the efficiency of the input and output voltage, current, differential pressure related)
Short circuit protection: None
Input reverse polarity protection: No, (if required in the input string into the diode)
Installation: 4 3mm screws
Free welding output wiring: terminals, with housing for welding output. (V-IN is input as an output, V-OUT)
Module size: 60(L) x 50(W)x 20(H) mm
Applications:
1, DIY a regulated power supply, input 12V can the output can 12-46V/60V adjustable.
2, the power supply for your electronic equipment, can set according to your system voltage output value.
3, as the vehicle power supply for your laptop, PDA or digital products supply.
Package Included:
1 Pcs 150W 8A  module
 

 
125Khz RFID Reader Module RDM6300 UART Output Access Control System for DIY KIT
 
 
Description
100% Brand New and High Quality
The dedicated module RDM630 series of non-contact RF ID card, preclude the use of advanced RF receiver circuits and embedded microcontroller design
Combined with efficient decoding algorithms, to complete the EM4100 compatible ID card data reception
This module is convenient to use, the power supply serial connection after for motherboard, when RFID card to enter the card read range, module will be through the UART the card number directly send for
Receiver sensitivity, high operating current, high stability
Suitable for access control, time and attendance, charges, anti-theft, Patrol and other radio frequency identification applications
Frequency: 125KHz                                   
Interface: TTL RS232                                        
Voltage:for DC 5V(±5% )     
Current: <50mA         
Working temperature: -10°- 70°  
Storage temperature: -20°- 80°  
Max Humidity: 0-95%       
Working Size: about 46mmx32mmx3mm   
Module Size: about 38.5mmx19mmx9mm
 
Package Included
1 Pcs 125 KHZ RFID Card Read Module

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

LED Indicator 12V 24V 48V Lead-acid Battery Capacity Tester Voltmeter
 
Description:
Working Current: 5-15mA(The lower the battery voltage and current smaller)
Eight electricity Resolution: 10% 25% 40% 50% 60% 75% 90% 100%
Voltmeter Accuracy: 1% ~3%
Working Temperature: -10 ~ 65°C
Operating Humidity: 10 ~ 80%
Dimensions: 48*29*21 mm
 
NOTE: It will only display voltage if not measure lead-acid battery!!
 
Shipping list:
1 Pcs Lead-acid Battery Capacity Tester Voltmeter

 
5x100pcs=500Pcs Light Emitting Diodes 5 Colors Electronic Components 3mm / 5mm Assorted Color DIY LED Light Emitting Diodes Set Box
 

 
Description
Lens Size: 3mm / 5mm Diameter
Lens:Transparent Lens / Color Lens
Emitting Color: White/Red /Green /Blue /Yellow
Viewing Angle: 30 Degree (Clear Lens) | 20 Degree (Color Lens)
Forward Voltage: 2.0-2.2V (Red/ Yellow) | 3.0-3.2V (White/ Green/ Blue/ RGB)
Current: 20mA
Frequency: 1.5HZ
Polarity: Anode (Longer Part) | Cathode (Shorter Part)
 
Package Included
500 Pcs LED

 
5x100pcs=500Pcs Light Emitting Diodes 5 Colors Electronic Components 3mm / 5mm Assorted Color DIY LED Light Emitting Diodes Set Box
 

 
Description
Lens Size: 3mm / 5mm Diameter
Lens:Transparent Lens / Color Lens
Emitting Color: White/Red /Green /Blue /Yellow
Viewing Angle: 30 Degree (Clear Lens) | 20 Degree (Color Lens)
Forward Voltage: 2.0-2.2V (Red/ Yellow) | 3.0-3.2V (White/ Green/ Blue/ RGB)
Current: 20mA
Frequency: 1.5HZ
Polarity: Anode (Longer Part) | Cathode (Shorter Part)
 
Package Included
500 Pcs LED

 
5V 12V BEC Output ESC Power Distribution Board PDB for FPV Gimbal Switchboard Control Board for Octocopter Multicopter Gimbal
 

 
Description:
1. Distribution board with two-way BECoutput is made of thickened copper foil and turmeric processed on the surface and supporting 100A current.
 
2. Supporting 6S Lipo battery input and two ways BEC output which are defaultoutput voltage 12V and adjustablevoltage output (3-20V) by user themselves. Each BEC output will support 2A current and 3A if added a cooling fin.
 
3. Brushless Gimbal, 5.8G TX & RX system or FPV camera can directly get power from the 12V BEC, while 5V BEC can provide power for APM/ MWC control board and GOPRO etc.
 
Kindly Remark:
1. Please measure the actual output voltage using voltmeter or multimeter before connecting the BEC output port.
 
2. The default adjustable output voltage is 5V.
 
3. We will be not responsible for those problems caused by voltage false operation.
 
Package included:
1 Pcs 5V 12V BEC Output ESC Distribution Board
 

 
USB Bluetooth 4.0 Audio Receiver Wireless Module Bluetooth Voice Player With Decoding Amplifier Function LED Indicator Board
 

 
Description:
Bluetooth voice player.IY a Bluetooth speaker anytime anywhere
Features:
1>. Bluetooth wireless connection.Longest communication distance 20 meter.
2>. Bluetooth 4.0.
3>. Support decoding function.
4>. Support amplifier function.
5>. Pairing voice prompts.
 
Parameters :
Mode:XH-M226
Work voltage:USB 5V
Transmission rate:500Kbps
Output Power:3W*2
Audio Socket:3.5mm
Size:68*48*10mm
Indicator description:
. Green LED is power indicator,Blue LED will keep light after power on or no connection to Bluetooth device succeeded.
. Connection succeeded but don\'t play : Blue LED will keep on.
. Blue LED keep flashing:Playing
 
Use manual:
1>. Connect to USB power.
2>. Connect a Bluetooth device.
3>. Playing.
 
Application:
1>. Speaker
2>. Smart home
3>. Voice prompts
4>. Hotel
5>. Mall
6>. Toy
7>. Outdoor travel
 
Frequency asked questions:
1>. Is the voice prompt in English?
Q : Yes,It is.
2>. Can delete the voice prompt?
Q : No,it can not.
 
Package Included:
1 Pcs USB Bluetooth 4.0 Audio Receiver Wireless Module
 

 
Blue / yellow and blue / white 128X64 0.96 inch OLED LCD LED Display Module 0.96" IIC SPI Communicate
 
Description:
1.Color:Blue / yellow and blue / white
2.Driving Chip:SSD1306
3.Pin Definition:
  1)GND:power ground
  2)VCC:power positive (2.8-5.5V)
  3)D0:clock wire
  4)D1:data wire
  5)RES:reset wire
  6)DC:data/command
4.Interface Type:SPI,IIC
Shipping list:
1 PCS 0.96 inch OLED LCD screen module

2 Channel SSR G3MB-202P Solid State Voltage Relay High Level Signal Trigger Module 240V 2A resistance fuse For Uno
Description:
OMRON 240V solid state relay 2A, output with resistance type fuse 240V 2A. 
Size: 53*32*23mm/2.08*1.31*0.9"
Input Power: 5V /12V /24V  DC (160mA)
Input control signal voltage:
(0-2.5V state low relay OFF)
(3.3-5V state high relay ON)
Blue KF301 terminal is connected to the line of control more convenient.
 
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     static current     working current    trigger voltage      trigger current
1 road 5V             0mA                  12.5mA               3.3-5V                  2mA
2 road 5V             0mA                  2.5mA                 3.3-5V                  2mA
 
Usage: 
Module power supply: the power supply must be consistent with the DC voltage, the voltage relay
  
Package Included:
 1 PCS * 2 Channel SSR G3MB-202P Solid State Voltage Relay High Level Signal Trigger Module

ESP8266 Serial Port WIFI ESP-202 WIF Wireless Control Module
Description:
1. Powerful internal run LWIP protocol
2. Support three modes: AP, STA, AP STA coexistence mode
3. Improve the simple and efficient AT command, so you develop more simple.
4. Such as WIFI socket, WIFILED lamps, WIFI fan, WIFI alarm WIFI temperature and humidity, wifi weight meter serial to WIFI intelligent hardware and other basic can be applied.
Package Include:
1 Pcs ESP-202 WIF Wireless Control Module

NE5532 Amplifer Board OP-AMP HIFI Preamplifier Signal Bluetooth Amplifer Preamplifier Board In Stock
Description
1. Working voltage:DC 12-35V
2. Working current:about 600mA
3. Gain:5(default.It is will 10 gain if change R5 and R6 to 100K ohm)
4. Mounting Hole:3.0mm
5. PCB size:50*40*16mm
Feature
1.Use for low sensitivity of tone generator
Package Included
1 Pcs NE5532 Amplifer Board

High-precision Single Supply Low Pass Filter Board Subwoofer Preamp Board 2.1 Channel DC 10-24v 22hz-300hz
 
Description
Power supply voltage: DC10-24V DC single power supply
Frequency range: 22Hz-300Hz
Audio input: mono or two-channel
Audio output: Mono
PCB specifications: 78x32mm, Thickness: 1.6mm
PCB Materials: FR-4 ultra-hard glass plate
Finished board Weight: 30g
Plate mounting holes center to center spacing: 70x24mm, hole diameter: 3.2mm
Potentiometers axial center spacing: 32.5mm 
 
Package Included
1 Pcs Single Supply Low Pass Filter Board
 

 
USB ISP Programmer For ATMEL AVR ATMega ATTiny 51 Development Board

Description:
This programmer is based on Thomas Fischl's USBasp design and connects to your computer's USB port. Not only is it quite compact, but the design is really elegent. The USB interface is achieved by using an atmega processor and the rest is done in firmware
 
With 500mA over-current protection self-recovery fuse, and complete protection of expensive computer motherboard
designed for notebook computers, special two 3.6V regulator, a perfect match to level, get rid of the instability of hardware hidden! Target board power mode jumper settings
 
The well-configured firmware, the speed of the unique adaptive technology, stability and obtain the best balance between speed! Supports firmware upgrade unlimited
 
List of supported chips :
51 Series: AT89S51, AT89S52,, AT89S53, AT89S8252
AVR Series: ATTiny12 (L), ATTiny13 (V), ATTiny15 (L), ATTiny24 (V), ATTiny25 (V), ATTiny26 (L), ATTiny2313 (V) , ATTiny44 (V), ATTiny45 (V), ATTiny84 (V), ATTiny85 (V), AT90S2313 (L), AT90S2323 (L), AT90S2343 (L),         AT90S1200 (L), AT90S8515 (L), AT90S8535 (L), ATMEGA48 (V), ATMEGA8 (L), ATMEGA88 (V), ATMEGA8515 (L), ATMEGA8535 (L), ATMEGA16 (L), ATMEGA162 (V), ATMEGA163 (L), ATMEGA164 (V), ATMEGA165 (V), ATMEGA168 (V), ATMEGA169 (V), ATMEGA169P (V), ATMEGA32 (L), ATMEGA324 (V), ATMEGA325 (V), ATMEGA3250 (V), ATMEGA329 (V), ATMEGA3290 (V), ATMEGA64 (L), ATMEGA640 (V), ATMEGA644 (V), ATMEGA645 (V), ATMEGA6450 (V), ATMEGA649 (V), ATMEGA6490 (V), ATMEGA128 (L), ATMEGA1280 (V), ATMEGA1281 (V), ATMEGA2560 (V), ATMEGA2561 (V), AT90CAN32, AT90CAN64, AT90CAN128, AT90PWM2 (B) , AT90PWM3 (B), etc
 
Package included:
1 Pcs USBasp ISP Programmer
 

 
MH-ET LIVE MAX30102 Heart Rate Sensor Module Puls Detection Blood Oxygen Concentration Test For Uno Ultra-Low Power
 

 
Description:
LED peak wavelength: 660nm/880nm
LED power supply voltage: 3.3V- 5V
Detection signal type: light reflection signal( PPG)
Output signal interface: 12C interface
Communication interface voltage: 1. 8V-3.3V-5V(optional)
Board reserved assembly hole size: 0. 5x8.5mm
 
Package Included:
1 Pcs MAX30102 Heart Rate Sensor Module
 

 
LCD Keypad Shield LCD1602 LCD 1602 Module Display For Arduino ATMEGA328 ATMEGA2560 raspberry pi UNO blue screen
 
Description:
This is a basic 16 character by 2 line black-on-green display.
Utilizes the extremely common HD44780 parallel interface chipset.
Interface code is freely available.
Blue Backlight with white words.
uses 4 Bit Arduin LCD Library.
Size:8cm x 5.9cm - 3.15inch x 2.32inch
Package Included:
1 PcsKeypad Shield 1602 LCD

 
 
PWM To Voltage Converter Module 0% -100% To 0-10V For PLC MCU Digital To Analog Signal PWM Adjustabl Converter Power Module
 
 
Description:
The PWM transfer voltage module LC-LM358-PWM2V converts the PWM digital signals into 0 to 10V analog signals.
It can be used as signal interface switching for PLC or other industrial control boards. The output voltage is regulated by adjusting the duty ratio of the PWM. The modules are small in size and easy to use in different places.
 
Features:
1>. MCU embedded technology
2>. Easy to operate, fine tuned by potentiometer
3>. Select the PWM signal input level range through short-circuit
4>. The module is smaller, easy to carry and use
 
Parameter:
1>. Work Voltage:DC 12V-30V; (> 100MA)
2>. PWM Receiver Frequency:1KHZ-3KHZ
3>. PWM signal input level range:
The peak of 4.5V to 10V level. The short cap install in '5V'. This level is used for normal controller or 5V MCU
The peak of 12V to 24V level, so inserted in 24V. The short cap install in '24V'. This level is used for normal PLC controller 
4>. Conversion range:0% -100% PWM to 0-10V
5>. Allowable error:5%
4. Hardware Interface:
VCC:DC 12V-30V
GND:Ground
PWM:Positive of PWM input signal
GND:Negative of input signal
VOUT:Output Voltage 0-10V
GND:Output Voltage Ground
 
Operation instructions:
After power on, without input signal, the output is 0V, so only input can output.
The first time when the power is on, it is best to do a calibration debugging:Input a 50% duty ratio signal to PWM/GND and adjust the relative amplitude short cap. The frequency is 1KHZ-3KHZ, Measured VOUT and GND with a multimeter and it will display 5V. Adjust potentiometer to make sure display 5.00V on multimeter. This will calibrate your pulse signal to this module.
When the frequency changes, the correspondences may be offset and need to be re calibrated.
The output voltage can be adjusted by adjusting the duty ratio.
The accuracy can be controlled by adjusting the potentiometer.
 
Package Included:
1 Pcs PWM to Voltage Converter Module
 
 

LED Single Color Dimmer 3Key 11Key RF Remote Control Wireless Plastic LED Dimmer Controller 12V 24V DC 8A
 
 
 
Description
Brand new and high quality
Soft and stable, no flickering
Mainly used to adjust the brightness of single color LED lights
Mini size remote control, easy to install.
led strip light controller, prefer use for single color 5050 3528 LED rope light.
Specification:
Input Voltage: 12V ~24 V DC
Output: 1 channel
Output current: <8A
Working temperature: -20-60°C
Dimension: L4.33*W2.2* H1.34 inch
Item Weigh: 3.2 ounces
Wireless Remote:
Up arrow button: to increase brightness
Down arrow button: to decrease brightness
On/off button.
 
Package Included
1 Pcs LED Dimmer
1 Pcs Wireless Remote 
1 Pcs User Manual
(not include the battery)Use a 27A 12V battery
 

N20 Micro Metal Gear Motor Electric Gear Box 6V 60RPM/100RPM/200RPM DC 3V 30rpm 3MM Shaft Diameter
Description
Voltage:DC 3V
Revolving speed: 30RPM
Motor size: approx.12 x 24mm (Dia.*H)
Shaft size: approx. 3 x 10mm (Dia.*L)
Package included:1pc x Mini Metal Gear Motor
Note: Please allow 1-5mm difference due to manual measurement.
Package Included
1 Pcs Gear Motor GA12-N20

 
Wireless ON/OFF 3 Ways 220V Lamp Remote Control Switch Receiver Transmitter Controller Indoor Lamp Home Replacements Parts
 
 
Description
1. Working Voltage: AC 220V
2. Remote Control Battery: 12V 23A battery (Battery is not include)
3. Remote control distance: about 8-15meters indoor, over 20m outdoor
4. Load Power: Every port load: fluorescent lamp: 600W; energy-saving lamp: 150W; LED 50w
5. Resistive Load: The largest output power of single group within 1000W.(Like incandescent light or light bulb, etc.)
Note: The wireless remote control switch uses a digital remote control method to control the load of the circuit through the normally open/normally closed contacts of the relay. The wireless remote control adopts an encoding method to avoid mutual interference and can easily control the circuit.
Because different batches of remote control styles may be different from the picture (the function is the same), if you care about the remote control style, please contact customer service before placing an order! thank you !
 
Package Included
11 Pcs Remote Control Reciever (Battery is not include)
1 Pcs Remote Control Emitter

STC15W408AS Core Board Minimum System Board 51 MCU Development Board Learning Board TTSOP20
Description:
1.The core board is used STC15W408AS-TSSOP20 package chip, small size.
2.Core board comes with power switch, interrupt button, LED lights, reserved for 4-pin TTL serial port to download, you can support the store's USBTTL small board use.
3.Led lights can also do the power indicator, only need to solder the resistance to GND end! (The default welding LED is connected P10)
4.Lead 6 VCC, GND, great convenience to expand the use of!
​
Package included:
1 Pcs STC15W408AS Core Board

ATMEGA48 NRF24L01 wireless Shield module SPI to IIC I2C TWI Interface
 
Specification:
For Robot control, remote control. Information collection.
Using I2C (TWI) communication protocol, which greatly simplifies the communication process of NRF24L01.
Users do not need to understand the complicated NRF24L01 communication process which greatly improves the development efficiency.
Adopt NRF24L01 as Wireless communications chip,reliable communication protocol and reducing data loss.
Maximum transmission distance can reach 70m (for reference only).
Specifications:
Operating voltage: 5V
Hold time of Module receives the data:more than 2S
Hold time of Module sends data:more than 300s
Transfer rate: 50Byte / S (theoretical value)
I2C/TWI Address: 0x47 (decimal 35)
NRF24L01 Address: 0x34, 0x43, 0x10, 0x10, 0x01 (from low to high)
Size:44 x 23 x 12mm(L x W x H)
Color:Black
Net weight:6g
Package weight:16g
Package include:
1 Pcs ATMEGA48 NRF24L01 Interface wireless module

USB Current Voltage Capacity Tester Meter Mobile Power Battery Charger Capacity Tester Volt Current Voltage Detector
 

 
Description
This is the mini USB meter. It can measure voltage, current, power and capacity
It can clearly display all the data
Can  easily measure the USB ( PC USB, cell phone charger, car charger,  mobile power, etc. ) port and device operating current and the output  voltage charge-discharge capacity, performance, and judge the  performance of the charging cable charging equipment, this tester can  meet the requirements
Fit  to factories, laboratories and personal use, wide range and Easy to  use, easy to take alone, no additional power supply, plug and play
Secure charging and master your charging data in real time
Specifications:
Material: Plastic
Voltage: 3-9V /-1%
Current: 0-3A /-1%  
Time: 0-99H
Size: As the picture
 
Package Included
1 Pcs Tester Voltmeter
 

USB Current Voltage Capacity Tester Meter Mobile Power Battery Charger Capacity Tester Volt Current Voltage Detector
 

 
Description
This is the mini USB meter. It can measure voltage, current, power and capacity
It can clearly display all the data
Can  easily measure the USB ( PC USB, cell phone charger, car charger,  mobile power, etc. ) port and device operating current and the output  voltage charge-discharge capacity, performance, and judge the  performance of the charging cable charging equipment, this tester can  meet the requirements
Fit  to factories, laboratories and personal use, wide range and Easy to  use, easy to take alone, no additional power supply, plug and play
Secure charging and master your charging data in real time
Specifications:
Material: Plastic
Voltage: 3-9V /-1%
Current: 0-3A /-1%  
Time: 0-99H
Size: As the picture
 
Package Included
1 Pcs Tester Voltmeter
 

Red Blue Dual USB Current Voltage Charging Detector Tester Battery Voltmeter Ammeter Charger Doctor
Description
Can easily measure the operating current of the output voltage of the USB port and equipment 2. smallsize , no power , and other ancillary equipment, plug and play also detect USB charger output voltage and current are standard suitable for factories, Laboratory and users.
Technical indicators:
Scope of work: Current (0~5A) can detect mobile phone charger voltage compliance DC5V
Operating Range : U = 3 ~ 7.5V I = 0 ~ 5A
Resolution : Voltage 10mV current 1mA
Error : voltage <± 1% current <± 2%
Full scale drop : ( When measuring current ) 200mV
The tester uses a new generation of power four semi~ double loop integral converter IC , with a precision bandgap reference , range accuracy , high precision , stable and reliable performance , strong anti~interference ability , high temperature can be used for measuring USB powered or power consumption of the interface , mobile phone charger , U disk and other products.
1, USB powered devices can be used to measure air , voltage loads , USB terminal equipment working voltage and current .
2, The current and voltage cycle , easy to use and practical.
3, Compact and easy to carry , no additional power supply
Package Included
1 Pcs Dual USB Current Voltage Charger

 
Ch341a 24 25 Reprogrammed Dvd Router Bi0 S Brush Multifunctional Usb Programmer
 
Description
1. Using specially produced CH341A chip USB. USB1.1 communications. Programming faster than ordinary ATMEGA8 do 25 Series Programmer 2-3 times faster.  Erase the programming speed is probably 2-3Mbit check every minute.  Very suitable for amateur programmer 24 and 25 series FLASH.
2. Support WIN98, WINME, WIN2K, WINXP, VISTA, WIN7-32 bits, etc. operating systems.
3. Using USB port power supply.
 
Support Chips List
AMIC:
A25L05P, A25L10P, A25L20P, A25L40P, A25L80P, A25L16P
 
ATMEL:
AT25DF041A, AT25DF321, AT25F004, AT25F512A, AT25F2048, AT25F4096, AT25F1024A, AT25FS010, AT25FS040, AT26DF081A, AT26DF161A, AT26DF321, AT26F004
 
EON:
EN25B05, EN25P05, EN25B10, EN25P10, EN25BF20, EN25P20, EN25F20, EN25B40, EN25P40, EN25F40, EN25B80, EN25P80, EN25F80, EN25T80, EN25B16, EN25P16, EN25B32, EN25P32, EN25B64, EN25P64
 
Excel Semiconductor Inc:
ES25P10, ES25P20, ES25P40, ES25P80, ES25P16, ES25P32
 
ST:
M25P05A, M25P10A, M25P20, M25P40, M25P80, M25P16, M25P32, M25P64, M25PE10, M25PE20, M25PE40,M25PE80, M25PE16, M25PE32, M45PE10, M45PE20, M45PE40, M45PE80, M45PE16, M45PE32
 
MXIC:
MX25L512, MX25L1005, MX25L2005, MX25L4005, MX25L8005, MX25L1605, MX25L3205, MX25L6405, MX25L6445, MX25L6405 (SOP16)
 
NexFlash:
NX25P80, NX25P16, NX25P32
 
Chingis Technology Corporation:
Pm25LV512, Pm25LV010, Pm25LV020, Pm25LV040, Pm25LV080, Pm25LV016, Pm25LV032, Pm25LV064
 
Saifun Semiconductors:
SA25F005, SA25F010, SA25F020, SA25F040, SA25F080, SA25F160, SA25F320
 
WINBOND:
W25P10, W25X10, W25Q10, W25P20, W25X20, W25Q20, W25P40, W25X40, W25Q40, W25P80, W25X80, W25Q80,W25P16, W25X16, W25Q16, W25P32, W25X32, W25Q32, W25P64, W25X64, W25Q64
 
Package Included
1 Pcs Multifunctional Usb Programmer
 

Computer Bluetooth adapter 4 laptop USB Bluetooth transmitter receiver win7/8/10
Description:
100% Brand new and high quality
Quantity: 1pcs
Bluetooth V2.0 EDR
USB2.0 specification, backward compatible with USB1.1/1.2
USB bus powered, no power supply is built-in LED work light indication
Slim extremely light, built-in antenna, no USB connection, use, easy to carry
Frequency :2.400-2 .4835 Ghz
Usage Frequency: frequency hopping
Spread spectrum (FHSS)
Transfer Rate: 3Mbit / s (EDR), transmission speed more quickly
Security: 128 bits safe mode
Supports all Windows systems, including for Windows, for xp, for vista, for win7 for win 8, etc
Support EDR security mode
Wireless transmission of documents, audio, video, wireless networking features such as wireless printing
Wireless connected devices (such as computer / PDA / mobile phones / printers / wireless game controller) with Bluetooth technology
Support VOIP voice calls seamlessly connect software.
Bluetooth specification V 2.0 & V 1.2 Compliant
Supporting profiles : networking, Dial-up, Fax, LAN access , and Headset
Plug and Play, no driver
Length with only 1.9cm
Working with led lights
Weight: Approx 9g
Easy and Convenient to use
 
Package Include:
1 x Mini Bluetooth USB Dongle (Without retailing packing)

GY-35-RC Uniaxial Gyroscope Analog Gyro Module ENC-03RC Module
 
 
Description
This angular velocity sensor utilizes a Coriolis force that act on a vibrating object when an angular velocity is applied to it.
Murata's unique ceramic bimorph vibrating unit is used as the sensor element unit, thereby enabling piezoelectric ceramics to be used for both excitation and detection.
The use of this unit simplifies equipment structure and circuit configuration, thus making it possible to provide outstanding performance.
This sensor can be used for positional control and posture control of a moving object requiring precision and quick-response measurements.
Chip: ENC-03RC
Op amp: The ENC-03RC (SOT23-5 package, excellent performance)
Power supply :3-5V
Output mode: analog output
Ultra-small size: 10mm * 17.5mm
 
Package Included
1 Pcs ENC-03RC Module

 
PL2303 HXD 6Pin USB TTL RS232 Convert Serial Cable PL2303HXD Compatible Win XP/VISTA/7/8/8.1/Android OTG
 
 
Description:
This is a newly designed product, using the Taiwan prolific production company PL2303HXD chips, PL2303HXD perfectly compatible with win XP/VISTA/7/8/8.1 / Android OTG
The PL-2303HXD is a low cost and high performance USB-to-Serial Bridge Controller. The PL-2303HXD provides a convenient solution for connecting an RS-232 full-duplex asynchronous serial device to any Universal Serial Bus (USB) capable host. The PL-2303HXD highly compatible drivers could simulate the traditional COM port on most operating systems allowing the existing applications based on COM port to easily migrate and be made USB ready. 
Full compliance with the USB Specification v1.1
Supports RS-232 serial interface with Programmable baud rate from 75 bps to 12 Mbps
Supports RS422/RS485 interface 
Extensive flow control mechanism like adjustable high/low watermark level, automatic hardware or software flow control, and inbound data buffer overflow detection
 
This product is designed for laboratory, product testing, low-cost MCU communications and other applications, there are four lead, 
Red 5 V 
Black GND 
White RXD 
Green TXD
Yellow RTS
Blue  CTS
 
Product Applications:
Single-chip upgrade solution for Legacy RS232 devices to USB interface
USB to RS232 converters/cables/dongles
Healthcare/Medical USB Interface Data Transfer Cable
Personal Infotainment/Media Player Docking USB Interface
Cellular/PDA USB Interface Data Transfer Cable
Serial-over-IP Wireless Solution
USB Barcode/Smart Card Readers
GPS/Navigation USB Interface
Point-of-Sale (POS) Terminals/Printers
PC Docking Station/Port Replicators
Industrial/Instrumentation/Automation Control USB Interface
USB Modem/Wireless/Zigbee USB Interface
 
Package Included:
1 Pcs 6Pin PL2303HXD USB to RS232 TTLCable module
 

 
A8 A6 5015 Air Blower 5V 12V 24V Ultra-quiet Oil Bearing About 5000 RPM Turbo Small Fan For 3D Printer
 

 
Description:
Tem Name:  5015 5V/12V/24V Turbo Fan
Product size: 50*50*15mm
Air inlet size: 31mm
Outlet size: 20*15mm
Current: 0.18A
Noise: 25dBA
Wiring: two lines, length of 1 meter
 
Package Included:
1 Pcs 5015 fans
 

 
ESP8266 ESP-03 Serial Wifi Wireless Transceiver Module LWIP AP STA Diy Electronics
 
 
Description
1. Support 802.11 B/G/N
2. Communication range up to 100 yards depending on environment.
3. Standard 3.3VDC operation with 5V compatible I/O.
4. Standard 3 wire (TXD/RXD/GND) serial communication (idle high) at 115200/8/N/1.
5. Standard 0.1" (2.54mm) half through hole.
6. Upgradeable firmware.
7. Three mode of operations: Client/Access Point/Both Client and Access Point.
8. Support all major security schemes: OPEN/WEP/WPA_PSK/WPA2_PSK/WPA_WPA2_PSK.
9. Support both TCP and UDP communication.
10. Working as TCP/UPD server supports up to five (5) contions.
11. Working as station can cont up to 5 TCP/UPD servers. The ESP-04 can cont to all standard non-SSL websites in the world.
12. Simple AT commands for all operations.
13. Contion based data reception or transparent data reception.
14. Programmable client contion inactivity timeout.
15. Automatic domain name address resolution for public domain name but not the local name within the local area network (router).
 
Package Included
1 Pcs ESP8266 ESP-03 Module

 
MH-ET LIVE MAX30100 Heart Rate Oximetry Sensor Module Heart Rate Sensor Breakout Ultra-Low Power Consumption For Uno
 

 
Description:
Pin definition:
VIN: Power input 1.6v-5.5v
SDA: IIC-SDA
SCL: IIC-SCL
GND: Ground
INT: INT active low interrupt (open drain)
IRD: IR_DRV IR LED cathode and LED driver connection point
RD: R_DRV red LED cathode and LED driver connection point
 
Package Included:
1 Pcs MAX30100 Heart Rate Oximetry Sensor Module
 

XS3868 backplane adapter plate master chip Bluetooth stereo audio Shield module OVC3860
 
Hello, if you need XS3868 Bluetooth Module, please click the picture below.
 
Description:
1) high integration, low cost, low power consumption
2) comply with Bluetooth2.0 specification
3) Support A2DP V1.2, AVRCP V1.4 profiles
4) Integrated EEPROM, can be configured to work mode and parameters
5) stereo audio output can directly drive 40mW 32Ω speaker
6) Low voltage detection
 
2. Scope
1) Bluetooth stereo headphones
2) Bluetooth stereo
 
3. Parameter
1) .USB charging voltage: 4.2V ~ 9V
2) .USB charge current: 400ma
3) .XS-3868 power supply voltage: 3.6V ~ 4.2V
4) Play Music Current:. 80MA (MAX)
5) With machine current: less than 1MA
6) Module size:. 49 * 22mm (without welding XS-3868), 54.5 * 22mm (welding XS-3868)
 
4. Instructions
Meaning LED lights
D1: Charging
D2: Charging complete
D3: Battery low
D4: LED1, Bluetooth status indication
D5: LED2, Bluetooth status indication
 
Next: at a
VOL-: volume down
VOL : volume increase
Play / Pause: Start / Pause, press switch
 
5. Notes
1). Next to the antenna can not have a metal
2). Sound shielding box can not be a large area
 
Package Includes:
1 Pcs XS-3868 Bluetooth stereo module
 

 
1S 3.7V 3A li-ion BMS PCM battery protection board pcm for 18650 lithium ion li battery
Features:
1) high-accuracy voltage detection circuit;
2) terminal of the charger using high voltage device;
3) Built-in three-stage over-current detection circuit (over-current 1, over-current 2, load short circuit);
4) MOS transistor can control the battery charge and discharge;
Parameter:
Over charge voltage: 4.25±0.05V
Over charge release voltage:4.23±0.05V
Over discharge voltage:2.54±0.1V
Maximal continuous charging current: 2A
Maximal continuous Discharging current: 2A
Over current protection: 3A
Size: L40*W4*T3mm
Weight: 10g
 

MAX9814 Microphone AGC Amplifier Board Module Auto Gain Control For Uno Programmable Attack And Release Ratio Low THD

 
Description:
1. Supply Voltage: 2.7v-5.5v @ 3mA current
2. Output: 2Vpp on 1.25V bias
3. Frequency Response: 20Hz - 20 KHz
4. Programmable Attack and Release Ratio
5. Automatic gain, selectable max from 40dB, 50dB or 60dB
6. Low Input-Referred Noise Density of 30nV/
7. Low THD: 0.04% (typ)
 
Package Included:
1 Pcs MAX9814 Microphone AGC Amplifier Board Module
 

Led Controller 24 44 Keys 24LED IR RGB Controler LED Lights Controller IR Remote Dimmer DC12V 6A for RGB 3528 5050 LED Strip
 
Description
44Key Remote Controller
Connection mode: Common Anode( )
Input: DC12V
Max load current: 2A each color
Mode & Pattern:
Color:20 Colors
8 Light Pattern: Quick / Slow / Auto / Flash / 7 color fade change / 3 color fade change / 7 color jumpy change / 3 color jumpy change
R / G / B increase and decrease control
6 DIY keys
44 keys infrared controller which has 6 keys(DIY keys) for momories the colors what you preferred.
Control range: 10cm - 500cm RGB LED Strips
Support 5 meters SMD 5050 30LEDs/M LED Strips or 5 meters SMD 5050\3528 60LEDs / M LED Strips
Remote powered by: CR2025(included)
Size: 13cm x 5.5cm x 0.5cm - 5.1inch x 2.16inch x 0.2inch
24 Keys IR Remote Controller
1. 24 Keys IR Remote Controller for RGB LED SMD strip lights.
2. Adopt IR remote to control the LED strip lights.
3. It is able to control led strip light's color, brightness and flash modes.
4. Support SMD 5050 RGB Strip Lights and SMD 3528 RGB Strip Lights.
5. Including modes of Flash, strobe, Fade, Smooth.
6. Widely Use: Mini led RGB controller used for 5050 2835 3528 3014 5730 etc RGB LED strip lights.
Supply Voltage: DC12V
Connection mode: Common anode   
Static power consumption: <1W 
Output Current: <2A(each circuit)
Output Power: 12V: <72W
Controller's dimension:L40.0×W12.0×H5mm
Net weight: 25g
Package Included
1 Pcs Led Controller Dimmer

Led Controller 24 44 Keys 24LED IR RGB Controler LED Lights Controller IR Remote Dimmer DC12V 6A for RGB 3528 5050 LED Strip
 
Description
44Key Remote Controller
Connection mode: Common Anode( )
Input: DC12V
Max load current: 2A each color
Mode & Pattern:
Color:20 Colors
8 Light Pattern: Quick / Slow / Auto / Flash / 7 color fade change / 3 color fade change / 7 color jumpy change / 3 color jumpy change
R / G / B increase and decrease control
6 DIY keys
44 keys infrared controller which has 6 keys(DIY keys) for momories the colors what you preferred.
Control range: 10cm - 500cm RGB LED Strips
Support 5 meters SMD 5050 30LEDs/M LED Strips or 5 meters SMD 5050\3528 60LEDs / M LED Strips
Remote powered by: CR2025(included)
Size: 13cm x 5.5cm x 0.5cm - 5.1inch x 2.16inch x 0.2inch
24 Keys IR Remote Controller
1. 24 Keys IR Remote Controller for RGB LED SMD strip lights.
2. Adopt IR remote to control the LED strip lights.
3. It is able to control led strip light's color, brightness and flash modes.
4. Support SMD 5050 RGB Strip Lights and SMD 3528 RGB Strip Lights.
5. Including modes of Flash, strobe, Fade, Smooth.
6. Widely Use: Mini led RGB controller used for 5050 2835 3528 3014 5730 etc RGB LED strip lights.
Supply Voltage: DC12V
Connection mode: Common anode   
Static power consumption: <1W 
Output Current: <2A(each circuit)
Output Power: 12V: <72W
Controller's dimension:L40.0×W12.0×H5mm
Net weight: 25g
Package Included
1 Pcs Led Controller Dimmer

 
DC 3 to 18V TDA7266 Audio Power Amplifier Module 5-15W
Description:
1. The onboard TDA7266 audio power amplifier chip, double track  7W 7W, suitable for 4-8Ω 5-15W speakers.
2. The main pin has led chip, convenient external device control, onboard 2 road 5.08 (mm) distance between two p terminal, around a track connection output respectively
3. The on-board dial potentiometer, output size can adjust the volume
4. Support in DC, terminal blocks, row needles 3 power input mode, the default for the DC, working voltage: 3-18V
5. The board size: 45(mm)x33(mm)
Package included:
1 Pcs TDA7266 Audio Power Amplifier Module
 

3A Range Current Sensor Module Professional MAX471 Module For Uno
Description:
Test Voltage range: DC3-36V 
Test Current range: DC0-3A 
Accuracy:2%
 
Shipping list:
1 PCS MAX471 Module