Hackaday

mechanical clock

When you think of open-source hardware, you probably think of electronics and maker tools– RepRap, Arduino, Adafruit, et cetera. Yet open source is an ethos and license, and is in no way limited to ...
Hackaday

Every Ham Shack Needs A Ham Clock

Every ham radio shack needs a clock; ideally one with operator-friendly features like multiple time zones and more. [cburns42] found that most solutions relied too much on an internet connection ...
GitHub

P10 LED Matrix Clock with DS3231 RTC

P10 Pin → Arduino Pin nOE → D9 (Output Enable, active low) A → D6 (Row select A) B → D7 (Row select B) CLK → D13 (SPI Clock) SCLK → D8 (Shift clock) R_DATA → D11 (SPI MOSI) ...
IEEE

Tutorial: Clock and Data Recovery Architectures and Circuits

Abstract: This tutorial provides ground theory and practical strategies for the design of clock-and-data-recovery circuits. We begin by relating performance metrics such as jitter transfer, jitter ...
GitHub

Si5351A (10 MSOP - 3 Clocks Only) Lite Library for Arduino (Former Si5351ArduinoLite)

This is a library for the Si5351A (10 MSOP - 3 Clocks Only) series of clock generator ICs from Skyworks Solutions for the Arduino development environment. It will allow you to control the Si5351 with ...