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 ...

Bipolar stepper motors provide precise position control while operating in an open loop. Industrial automation applications—such as robots and processing and packaging machinery—and consumer ...

About two years after the US Food and Drug Administration approved the first over-the-counter birth control pill in the United States, a new study suggests that many people who may not have had access ...

In a nutshell: Canadian hardware maker Ploopy is now accepting pre-orders for its latest input device. The Ploopy Knob is a 3D-printed, open-source rotary encoder featuring a high-precision sensor ...

Cruise control is an easy and convenient feature that lets you maintain a steady speed without constantly having to press the gas pedal. Not only can it take the pressure off you physically, it may ...

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 ...

ADO has co-developed a hub motor with Bafang that sports 3-speed auto-shifting gears. The first model to roll with this system is the Air 30 Ultra city ride, which also comes with a 100-km battery, ...

Abstract: This research studies the implementation of Proportional-Derivative (PD) and Model Predictive Control (MPC) approaches embedded in an industrial Programmable Logic Controller (PLC) to ...

Thomson Industries, Inc. has announced a significant upgrade to its stepper motor linear actuator (SMLA) online selector tool, adding the ability to include encoders in the design process. DOWNERS ...

This library uses a PCF8575 to read the pulses of a rotary encoder. As a PCF8575 has 16 lines up to 8 decoders can be read over I2C. The PCF interrupt line can be used to detect changes in the ...