Electronics For You

Tachometer with LED display To Show Bicycle And Fan Speeds

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as ...
Agri-Pulse

Ag, food output seen rising to $10 trillion but exports down 5%

The agriculture and food sector is expected to generate about $10.4 trillion in value to the nation's economy this year, up almost 10% from 2025 and representing a fifth of total national output, even ...
NextBigFuture

Pulsar Fusion Achieves Initial Pulse Experiments and Targets Orbital Test in 2027 and Production Fusion Rocket in Early 2030s

Pulsar fusion is working to make a fusion propulsion system with about 10000-15000 ISP. This is about 25 to 40 times the ISP ...
GitHub

Circuit5 — LDR-driven dual output (Arduino)

Sketch for an Arduino-compatible board that toggles two digital outputs (IN1, IN2) based on a light-dependent resistor (LDR) reading. 2 LDR_PIN LDR input (configure your wiring so HIGH = dark or ...
GitHub

iot-spring-2026 /arduino /02-serial-output

* Demonstrates Serial (UART) output, chip info, and timing functions. * All output is visible in the QEMU console.