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 to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...

Rutronik Adapter Board RAB7 is an open-source hardware Arduino shield designed for AI-powered Sensor Fusion with seven environmental and inertial sensors from Bosch, Infineon, and Sensirion. The ...

There’s a strange allure to single-pixel cameras due to the simultaneous simplicity and yet fascinating features that they can offer, such as no set resolution limit. That said, the typical i… ...

An 8-sensor LDR line following robot using ESP32 with dual-threshold hysteresis algorithm. The project includes both Arduino IDE and ESP-IDF development environments, plus threshold calibration tools.

Control Bionics has received approval from the Centers for Medicare & Medicaid Services (CMS) for a new Healthcare Common Procedure Coding System (HCPCS) code for the NeuroNode sensor.

A defective CrowdStrike update sent computers around the globe into a reboot death spiral, taking down air travel, hospitals, banks, and more with it. Here’s how that’s possible.

After some searching, I ended up using a microcontroller and a piece of code borrowed from the web that I tweaked and adapted. The microcontroller-based concept was chosen because I wanted to scale ...

As explained by Arduino to Go, each color band on the resistor corresponds to a number but this can differ depending on the band's placement. It's not complicated, but the sheer number of colors ...

Wasting energy by keeping the street lights on all night, we can build an affordable, high-performance smart street light system with the Arduino, LDR sensors. In this article, we'll discover how to ...