Prototype: [HiLetgo PRO Mini Atmega328 Development Board 5V/16MHz 328 Compatible with Arduino] *Jed
Final: – [Gikfun Pro Mini Atmega328 5V 16Mhz For Arduino (Pack of 3pcs) EK6013x3] *Jed
>> What kind of voltages does the Arduino support?
Arduino input voltages are either 3.3V or 5V depending on the version of Arduino. The Arduino can supply 150ma of 5V or 50ma of 3.3.
Sensor: [GY-MAX471 Range Current Sensor Module 3A Current Detector Sensor for Arduino] *Jed
[Elegoo UNO Project Super Starter Kit with Tutorial for Arduino]