The Firmware of the minipad, a Hall Effect keypad with osu! and Rapid Trigger in mind.

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

Enables macros with extra razer buttons. Also works with other devices.

Uniformly encapsulate different types of switches as user input devices

Programmable macro keypad and rotary input, with GPIO breakouts. Uses an ATmega32u4 Pro Micro for HID functionality.

Arduino Library which allows to interface with matrix 4 x 3 phone's keypad as well as 4 x 4.

Scientific Calculator using Arduino Uno (Keypad & LCD)

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

A wireless controller for making Zoom video chats easier and more pleasant

Arduino menu library for LCD displays 16x2 and 20x4

4x4 matrix keypads integrated into ESPHome/Home assistant able to control Nuki locks as well as your Home Assistant home alarm.

🔒 A Smartphone Controlled Password based Bluetooth Door Lock using the 8051 Microcontroller

Arduino library for using matrix keypads

Interrupt driven keypad/keyrow library for MCP23017 GPIO port expander

A *tiny* piece of code for implementing a media keypad/macropad with an arduino and a cheap keypad

Firmware for capacitive keypad, optimized for osu!

TTP229 touch sensitive keypad library for Arduino

Arduino project to make music out of gloves.It produces sounds of Do, Re, Me, Sa

Mulifunctional Arduino button. Detects single, double and long pressing with debounce suppression. Very easy using.

Arduino Real Time Clock with Alarm and environmental sensors