IEEE

An autonomous multiple module clock synchronization methodology for SoC

Abstract: Global clock synchronization is achieved autonomously by (1) phase locking to a reference PN (pseudorandom noise) clock, (2) detecting the lead/lag for the neighbors, and (3) fine tuning its ...
GitHub

PM2005 Laser Particle Sensor Module Library for Arduino

This is a library for the laser particle sensor module PM2005 manufactured by Wuhan Cubic Optoelectronics. The PM2005 module counts airborne particles of different sizes in catagories of 0.3, 2.5, and ...
GitHub

An Arduino library for TTP229 module for controlling a 16 capacitive touch keys.

Tested with the Robotdyn 16 Keys I2C Capacitive Touch TTP229 Module Robotdyn Capacitive Touch Disk Pad. uint16_t readKeys() - Read data from TTP229 and return states of 16 keys in bitmap ...
The New York Times

Some of the World’s Atomic Clocks Were Off Last Week (by 5-Millionths of a Second)

How some of the world’s most precise clocks missed a very small beat. By Mike Ives and Adeel Hassan Time appeared to skip a beat last week when some of the world’s most accurate clocks were affected ...
IEEE

Design of a Cesium Atomic Clock 1PPS Signal Generation and Synchronization Module Based on FPGA

Abstract: This paper introduces a design method of 1PPS signal generation and synchronization module which can be realized on FPGA, and uses the high stability 10MHz of cesium atomic clock as the ...