The Best Brain for IoT Projects – Raspberry Pi Zero W vs Arduino vs NodeMCU Compared!
Amazon.com: SparkFun Pro Mini ATmega328-3.3V/8MHz Development Board Compatible with Arduino Boards and IDE : Electronics
Arduino Nano — Arduino Online Shop
Amazon.com: 3.3V 5V 8 Bit BlueCommon Anode/Cathode LED Indicator Module DIY kit for Arduino Nano UNO Raspberry pi 4 nodemcu Eletechsup (Common Anode, with pin, 1) : Electronics
Arduino nano pinout and complete tutorial with schematics - solderingmind