Support UniversalBit Project Bash Reference Manual ESP8266 || ESP32 Arduino Nano || Arduino Uno A Neural Network for Arduino arduino-uno-ATmega328P || arduino-nano-ATmega328P esp32 || esp8266 Be careful to use only a USB data cable,some usb cables are only used to recharge and do not allow the upload of code. Wire ESP8266(Wifi) and Two Arduino Nano D1 Mini ESP8266 - Logic Converter 3.3 | 5V - Two Arduino Nano Upload a sketch Resources: Arduino Projects MicroPython on ESP32