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3.3V/5V MB102 Breadboard power module+MB-102 830 points Solderless Prototype Bread board kit +65 Flexible jumper wires
US $0.74
0.80
0.80

Nano 3.0 Controller With The Bootloader Mini Type-C Micro USB Compatible For Arduino CH340 Driver 16Mhz ATMEGA328P/168P
US $2.10
2.31
2.31

PCA9685PW 16 Channel 12-Bit PWM Servo Shield Driver I2C Interface PCA9685 Module For Raspberry Pi
US $2.54
2.89
2.89

ESP8266 ESP-01 ESP-01S ESP-07 ESP-12E ESP-12F Remote Serial Port WIFI Wireless Module Intelligent Housing System Adapter 2.4G
US $1.00
1.08
1.08

5v 1 2 4 8 Channel Relay Module With Optocoupler.Output X Way for Arduino 1CH 2CH 4CH 8CH
US $0.58
0.62
0.62

Wireless Module CH340/CP2102/CH9102X NodeMcu V3 V2 Lua WIFI Internet of Things Development Board Based ESP8266 ESP-12E
US $1.13
1.22
1.22