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 ...

Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...

Abstract: This paper proposes a low-cost planar microwave sensor able to monitor the wrist pulse wave (WPW) when it is in contact with the anterior part of the wrist, near the radial artery. The ...

Abstract: Palpation of arteries holds significant physiological importance. Existing pulse actuator designs intended to replicate the haptic sensations of palpation primarily focus on normal force ...

As Nigeria debates the future of its democracy, CODE’s transition, led for the first time by a woman, signals that the country’s civic movement is not only alive but also evolving. Mshelia’s ...

The MAXREFDES220# reference design provides everything you need to quickly prototype your product to measure finger-based heart rate and blood oxygen saturation level (SpO2). The MAXREFDES220# ...