Arduino library to debounce button switches, detect presses, releases, and long presses
Arduino Library for Maxim Integrated DS3232 and DS3231 Real-Time Clocks
Arduino library to facilitate time zone conversions and automatic daylight saving (summer) time adjustments.
Arduino hardware SPI library for ATtiny44/84, 45/85, 461/861, 2313/4313.
Hardware design for a small LED flashlight powered by an ATtiny84A.