The D1 Mini is a breadboard-compatible WiFi development board based on the ESP 8266. This board is compatible with the Arduino IDE, and with NodeMCU.,
Buy ESP8266 D1 Mini Controller Board at
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6Pcs esp8266 esp-12 wemos d1 mini wifi development board micro usb 3.3v based on esp-8266 with pin esp12 wemos d1 mini module.