Repairing electronic devices isn’t as hard as it used to be. Thanks to the internet, it’s easy to find datasheets and application notes for any standard component inside your gadget, and once you’ve ...

Designed a calculator using STM32 microcontroller and STM32F4DISCOVERY kit. Integrated 4x4 keypad for input and 16x2 LCD display for output. Developed efficient GPIO code for keypress and display.

This project implements a simple calculator using an Arduino, an LCD, and serial input. It supports basic arithmetic operations (+, -, *, /, ^) and handles division by zero gracefully. Connect the LCD ...