Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Urban Alchemy worker Joey Alexander, 60, died Tuesday after being shot outside San Francisco’s Main Public Library when he asked a man to stop using drugs nearby. Police arrested 42-year-old Edmund ...

This paper describes the development and implementation of a control system for a direct current (DC) motor using the Arduino Uno microcontroller, based on the speed and direction control of the motor ...

Warning: This library is not tested with hardware yet. So use with care, feedback welcome. ECRFS is a library for the ERCF 1 05SPI 360 Z rotation encoder. This devices decodes 360.0° in 16384 steps ...

Managing libraries for Arduino boards has traditionally been a time-consuming and error-prone process. Developers often had to manually search for, download, and configure libraries, which could be ...

This library uses a PCF8575 to read the pulses of a rotary encoder. As a PCF8575 has 16 lines up to 5 decoders with a switch can be read over I2C. The PCF interrupt line can be used to detect changes ...

Abstract: One of the way to think of railway signalling systems is as a collection of intricate systems that work together to control, supervise and safeguard railway operations. When there is a ...