In this Tutorial video, I'm going to be showing you how to connect up to 50 pushbuttons to a single Arduino analogue input. This enables you to free up a lot of your IO for sensors, displays, motors and servos, allowing you to build more complex projects. Written Tutorial With Code & Circuits - https://www.the-diy-life.com/multiple-push-buttons-on-one-arduino-input/ Connect A 4x4 Keypad To One Arduino Input - https://www.the-diy-life.com/connect-a-4x4-keypad-to-one-arduino-input/ Components Required Arduino Uno - https://amzn.to/3abhNNG Breadboard & Jumpers - https://amzn.to/2QC3BW4 Pushbuttons - https://amzn.to/3bctmEc 220 Ohm Resistors (Or Similar) - https://amzn.to/33E7fnW Coloured LEDs - https://amzn.to/33CI6K5 If you've got any Tutorial requests or suggestions, let me know in the comments section below. I'm always looking for suggestions.