This is real. Hero Tech has built a retractable light saber that is using no visual effects. You cannot fight with it but it looks like the movie light saber. The two led light strips are attached to ...

From sensor calibration to custom coding, ... Practical Engineering. Arduino Garden Controller - Automatic Watering and Data Logging. Posted: June 3, 2025 | Last updated: June 3, 2025.

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 ...

Here is the circuit of a compact yet inexpensive automatic anchor light integrated with an ambient light sensor that turns it on and off automatically. ... DIY 12V Automatic Anchor Light Circuit for ...

India, May 27 -- Four children in their secondary grades from the Sri Sathya Sai Loka Seva Gurukulam have been included in the top 40+ junicorns from India and USA, who will be participating in ...

Why We Picked It. Philips makes some of our favorite smart light bulbs, but its Hue LEDs are pricey. Starting at just $9.97, the Philips Dimmable A19 Smart Wi-Fi Wiz Light Bulb is a far more ...

A novel bias angle control technique to improve the performances of lithium niobate photonic E-field sensor while not disturbing the measured electric field has been demonstrated. Using this technique ...

DG11/DG12 Series IEC Inlet with Circuit Breaker. SCHURTER's next-generation power entry module with IEC inlet and IP67-rated circuit breaker. WRIS-RSKS Series General-Purpose Thick-Film Resistors.

This Arduino Nano project uses a soil moisture sensor, two potentiometers and a relay to automatically control a device based on soil moisture levels. The relay is turned on below a minimum threshold ...

This paper considers legged robots, in author's case Nao robot, and describes a method for Real-world large-step stair-climbing for small humanoids using Evolutionary Computation. We start by ...