Author name: Tasnimul Hasan Chowdhury

A low-cost precision voltmeter using Arduino Digital Multimeters (DMM) are an indispensable part of the workbench of an electrical engineer. There is a plethora of multimeters available in the market, with prices ranging from a few hundred BDT to more than a few lacs. However, measuring the voltage using a low-cost DMM accurately is tricky […]