This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

RED LED → Pin 9 → 220Ω resistor → GND GREEN LED → Pin 8 → 220Ω resistor → GND #define RED_LED 9 // ← RED is on Pin 9 #define GREEN_LED 8 // ← GREEN is on Pin 8 ...

Description: $2 for 10pcs PCBs (24 hours turnaround time) Making a good lighting system for your rc projects is not complicated at all, in this video I'll show the whole process to make yours, using ...

Arduino UNO Q Bundle pairs the 2 GB dual-brain board with a new Elektor book for AI, Linux, Zephyr, and real-time projects.

Multicore processing boosts performance and energy efficiency in many coding situations. Bare-metal algorithms further ...

Dial up hues with this Arduino-powered, on-demand spray-can mixer ...

LED Analyzers from Micro-Epsilon are being used as part of end-of-line test equipment to measure the colour and intensity of red and green status LEDs for charging stations designed for aircraft cabin ...

RyzoBee today announced that its Root Series is planned to launch on Kickstarter in Q2 2026 for the North American and European markets ...

Densitron is a global provider of industrial displays, HMI and tactile interface technologies for mission-critical ...

Some events you attend, and some events you feel the moment you walk through the doors. The Rand Show 2026 was the latter, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by Rachel Cericola If you use a security camera, you need to choose where your ...