In this tutorial, we will build our own calculator with Arduino, a 4×4 keypad and a 16×2 LCD display. The input will be given through the keypad (4×4 keypad) and the output will be displayed on the 16×2 LCD screen. This calculator will perform simple operations like Addition, Subtraction, Multiplication and Division with whole numbers. […]
Arduino Uno Calculator: How to Create your DIY Calculator Read More »
In this tutorial, I’m going to show you how to use a Matrix Keypad from Raspberry PI Pico and get user input from python. With matrix keypads you can acquire some simple user inputs (like codes, numbers and so on) into your Micropython programs without having to connect from a different device, by pushing its
Use Matrix Keypad with Raspberry PI Pico to get User Codes Input Read More »
In this tutorial, I’m going to show you how to connect Raspberry PI to a matrix keypad and get user input from Python. How Matrix Keypad Works One of the most common industry input devices, matrix keypads are frequently installed on phones, domestic appliances and also in some low-cost safe boxes. Common matrix keypads are
Connect Raspberry PI with Matrix Keypad to get User Codes Input Read More »
