Posted in Arduino Hacks, Microcontrollers Tagged adc, analog voltage reference, aref, voltage divider ← Using A Chicken As A Steadicam RC Plane Built Using Pieces Of An RC Car → ...

The voltage regulator charging the Lithium-Ion battery regulates a 5V DC input (via Micro USB-B) to the maximum voltage of the battery (4.2V). As the battery is used to charge an external device, the ...

Essentially I’m making a control panel with a series of switches connecting to an Arduino board which is powered vis USB into my PC.The Arduino board only has the one 5V port. I’m not even sure what ...