Mega2560 ATMEGA16U2 / Pro Mini MEGA 2560 Mega+WiFi R3 ATmega2560 Chip CH340G For Arduino Mega R3 Development Board WeMos ESP8266

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TZT UNO R3 Development Board ATmega328P CH340 CH340G For Arduino UNO R3 With Straight Pin Header

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Type-C USB Nano 3.0 With Bootloader Compatible Nano 3.0 Controller For Arduino CH340 USB Driver 16Mhz Original IC ATMEGA328P

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ESP32 Development Board WiFi+Bluetooth Ultra-Low Power Consumption Dual Core ESP-32S ESP32-WROOM-32D ESP32-WROOM-32U ESP 32

$0.58