Arduino Nano is a small, breadboard-friendly development board based on an ATmega 328P SMD package microcontroller and offers the same connectivity and
Description: Mega 2560 Arduino follows Open-source principles, which means you can freely download the development environment and many associated resources.
FeaturesUpdated layout for better integrationGuaranteed to work with the Arduino IDECH340 USB interfaceType-C USB interface for power and communicationCompact SizeComplete
Features:D1 mini, it is a mini NodeMcu Lua WiFi board based on ESP-8266EX.11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire.ESP8266