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ESP8266 NodeMCU is the smallest & cheapest IoT Development board. Price is only starting from $2. There are two chipset models availa… | Led, Development board, Iot
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Configure Arduino IDE for ESP8266 NodeMCU and LED Blink Example | by Vishal Kottarathil | Internet of Things & AI | Medium
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Arduino-er: Blink NodeMCU on-board LED using Arduino IDE with ESP8266 core for Arduino, and more examples
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