📦 The 8051 4x4 Keypad Interfacing demonstrates how to connect and interact with a 4x4 matrix keypad using the AT89C51 microcontroller. Keypads are commonly used for user input in embedded systems, and in this project, we showcase how to read key presses using Assembly language.

AVR Exercises

PUSHBUTTON_SWITCH_LIB - simple C cross-platform library

Hubitat drivers including v1 iris

PIF (Platform-independent framework) is a framework that controls various devices, and consists of only code independent of the platform.

The library allows easy interfacing with a keypad. Not only keypads connected directly to the IO pins of the microcontroller are supported, but also via I2C. Implements software debouncing

Fully Featured Time Circuits Display

a 10k mechanical keypad with support for variable input hall effect switches

Simple code-guessing game, based on the SDL2 library.

An ESP8266 based keypad to use with the Mind Flayer VTT module

Home Assistant variables component

Arduino library for 4x4 (or smaller) keypad connected to an I2C PCF8574.

This is a drag-and-drop Keypad/Passcode Prefab for VRChat using UdonSharp with extensive features

This repository contains the drivers for ATmega32 peripherals and interfacing with various components.

Monitoring Temperature, Humidity and Flame Percentage with a login system | STM32.

A starter open-source 2x2 keypad, ready for production.

Hot-swappable Per-Key RGB 6 Key Macropad

Arduino library for 8x8 or smaller KeyPad connected to an I2C PCF8575.

Arduino keypad with mixing row presets and custom config.

This is a drag-and-drop Keypad/Passcode Prefab for VRChat