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 ...

Learn how to make a touchless air drum set using Arduino and ultrasonic sensors for endless musical fun. ‘That Has Never Been ...

One of the joys of writing up the entries for the 2025 Component Abuse Challenge has come in finding all the different alternative uses for the humble transistor. This building block of all modern ...

The ability to sense heat protects the body from burns and injury. But how the body actually feels temperature has remained ...

This DIY AI Health Assistant Trained with Edge Impulse, the Edge ML model detects real-time anomalies in SpO₂ and heart rate, ...

We created a comprehensive ESP32 CAM Telegram bot tutorial that can capture images and record custom-duration AVI videos, ...

Learn how to use the Core Temp application to monitor your CPU temperature and prevent overheating on Windows 11.

Infrared sensors, which act as the "seeing" component in devices such as LiDAR for autonomous vehicles, 3D face recognition systems in smartphones, and wearable health care devices, are regarded as ...

A jar of cold brew coffee on a counter. - Samantha Witt/Shutterstock Lately, I've been into cold brew coffee. It's not just the summer heat — the method is just so easy. I scoop the coffee into a ...

Did you know that plants have a bit of a sweet tooth? Sugar — more specifically, sucrose — is one of the most important compounds for transporting and signaling to other molecules as a plant grows.