Micro-Controller
Arduino is an open-source electronics platform based on easy-to-use hardware and software. It's intended for making interactive projects.
NodeMCU is an open-source IOT platform refers to Lua based firmware developed for ESP8266 Wi-Fi Soc
AVR ATmega is popular 8 bit controller family manufactured by ATmel.
![CP2102 / CH9102 [USB to UART / TTL] Programmer CP 2102 CH 9102](https://robotronik.com.my/image/cache/catalog/prod/micro-ctrl/A=2-B-010_/41ffe046b4bf8287cb334352ef0dc2f3-400x400.jpeg "CP2102 / CH9102 [USB to UART / TTL] Programmer CP 2102 CH 9102")
