7 open source projects by JChristensen

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.

A fork of Simon Monk's Arduino Timer library

Arduino Library for Maxim Integrated DS3232 and DS3231 Real-Time Clocks

Arduino library to debounce button switches, detect presses, releases, and long presses

Arduino library to support external I2C EEPROMs.

Arduino library for the Microchip MCP79411/12 Real-Time Clock/Calendar