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 ...

When most people encounter dead pixels on an LCD text display, they figure that the display is dead and they decide to scrap it. However when the LCD display on one of [Joe]’s cordless phones started ...

This repository contains the code for a basic calculator implemented using a Raspberry Pi Pico microcontroller, a 4x4 Keypad Module, and an I2C 16x2 LCD Display.. The calculator allows users to ...

The code defines some constants using the EQU directive to assign specific port addresses to variables representing various components like the keypad, LCD bus, RS pin, EN pin, etc. The program starts ...