GitHub

A fully functional calculator built with an Arduino Mega, 16x2 LCD, and 4x4 keypad. Supports addition, subtraction, multiplication, division, modulus, and negative number input ...

There was an error while loading. Please reload this page. Arduino (Elegoo Mega 2560) LCD & Keypad Calculator Overview A fully functional calculator built using an ...
GitHub

jayanti1008/Arduino_Voltmeter_LCD

This project measures the input voltage using an Arduino Uno and displays it on a 16x2 I2C LCD screen. It uses a simple voltage divider circuit to safely read voltages up to 12V. The Arduino reads an ...
Hackaday

16×2 LCD

There’s nothing quite as annoying as duplicated effort. Having to jump through the same hoops over and over again is a perfect way to burn yourself out, and might even keep you from tackling the ...