Abstract: A chronograph is a device that measures the time between two events. This article discusses the design, fabrication, and calibration of a ballistic chronograph designed to measure the time ...

Neuro PlayGround (NPG) Lite is an open-source neuroscience development board by Upside Down Labs that lets you read, process, and act on bio-potential signals like EEG, EMG, and EOG. This repository ...

How to implement NEC protocol logic on a configurable mixed-signal IC. Discover ways to eliminate external components and reduce coding complexity. Configure up to nine custom commands using the ...

WiFIRCard is a credit card-sized ESP32-S3 board designed for home automation with two relays and a few GPIOs (headers and screw terminals) that can be controlled over WiFi 4 or an IR (infrared) remote ...

You might think that CD players and DVD players have had their run, but as it turns out, they are absolute goldmines for DIY projects. Pop one open and you'll find stepper motors, laser assemblies, ...

Photoelectric sensors detect objects and surface changes using variations in optical properties. Each sensor includes a light emitter and a receiver, with most relying on infrared light. In optical ...

The Adafruit Sparkle Motion is an ESP32-based LED controller board designed to drive addressable LEDs, including WS2812B, APA102, SK6812, LPD8806, UCS2904, and SM16704. It supports both WLED and ...

Today’s IR-based remote controls have little resemblance to their predecessors; it took the convergence of unrelated advances to get us here. We take the ubiquitous infrared-based (IR) remote control ...