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ideaspark 3pcs ESP8266 NodeMCU CH340 ESP-12E WiFi Wireless Internet Development Board Serial Module with Micro USB Cable Works Great for Arduino IDE : Amazon.ca: Electronics
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Mega2560 + WiFi R3 ATmega2560+ESP8266 | 32Mb Memory | USB-TTL CH340G | Compatible for Arduino Mega NodeMCU WeMos Development board – Techonics LTD
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ESP8266 Node MCU board specifications and pins descriptions. Frequently asked questions related to WI-FI board esp8266 node MCU
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