[Robin Reiter] needed a better way to show off his work. He previously converted an electric TV stand into a full 360-degree display turntable, but it relied on an external power supply to get it ...

Keypad phones, believe it or not, are still in use, and there is a surprising amount of variety to choose from. Some of the phones include 4G connectivity, cameras, and are built to last. If you're ...

This project demonstrates Li-Fi (Light Fidelity) communication between two Arduino boards using visible light for data transmission. Text data is transmitted using an LED and a 4x4 keypad on the ...

Abstract: Pencil-on-paper electronics has gained growing interests as cost-effective, ecofriendly, flexible, and light-weight devices for various applications. In this letter, a flexible keypad ...

This is a Input Method Editor for Android that implements predictive text using the hardware keypad on the device. Useless without a hardware numerical keypad. This fork has been specially adapted for ...

Abstract: The powerful CircuiTikZ-package provides typesetting of electrical and electronic networks and is commonly used in all areas of electrical engineering. The TikZ-based syntax is powerful, but ...