This custom Wi-Fi router works off-grid with Starlink and can control my solar power station. Here's how I went about it.

PWM relays allow engineers to go beyond simple "on-off" control to realize significant power savings and reduced heat ...

There was a time when a CB radio was a simple affair: a small box with a channel selector, volume, and squelch controls. No ...

Chris Doble] has high ambitions: he’s making his own scanning-electron microscope, and as the first step he’s built a ...

From screw-in bulbs and colorful LED strips to table lamps and outdoor string lights, check out the top smart lighting we've tested for illuminating your space and setting the mood. I'm PCMag's ...

Abstract: This paper presents the design and implementation of an autonomous voice-controlled robot system using ChatGPT and a Raspberry Pi-based robotic car. The aim is to integrate modern AI ...

Abstract: This study presents the design and implementation of a Raspberry Pi-based automated desalination system for small-scale and community-level freshwater production. The system integrates ...

A collaborative game development project for the STM32L476RG (NUCLEO-L476RG) platform, featuring three games within a shared menu system, rendering engine, and peripheral driver framework.

Live SSE (Server-Sent Events) push — temperature, humidity, VPD, lux, soil moisture updated every 30 s System health score (0–100) with deduction reasons 24 h min/max trends, sparkline charts BLE ...