There are plenty of lovely e-readers out on the market that come with an nice big e-paper display. There aren’t nearly as many that come with two. [Martin den Hoed] developed the Diptyx ...

A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load — even below 1 V.

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as any other servo tester, the difference is that it can be programmed to do ...

DivaCon2040 is a firmware for DIY Project Diva Arcade controllers based on the RP2040 microcontroller as found on the Raspberry Pi Pico. It is pretty much tailored to this specific use case, if you ...

The cult-loved beauty tech brand now has gadgets for nearly every skin—and hair—goal. Every one of the brand’s LED devices is FDA-cleared and CE certified for at-home use. (CE certification is ...

Abstract: Selective area doping technique is essential for diversifying semiconductor device structures. In this letter, selective high-resistance zones on $\beta $ -Ga2O3 wafers were successfully ...

This USB LED vase is a simple yet elegant device that fuses art with electronics to create a decorative lighting display. Powered directly from a standard USB port, it uses readily available ...

Abstract: Nowadays, direct current-drive (DC-drive) is the mainstream method of driving electroluminescence (EL) devices such as quantum-dot light-emitting diodes (QLEDs). In contrast, alternating ...

Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide demonstrates assembling an LED-diode cluster, connecting it to a capacitor for ...

UAE-based renewable energy company Masdar (Abu Dhabi Future Energy Company PJSC) announced on Wednesday that its consortium has awarded the Engineering, Procurement and Construction (EPC) contract for ...