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

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

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 ...

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 ...

Abstract: The cold chain industry faces challenges in maintaining the quality of frozen and temperature-sensitive products during storage and transport due to temperature fluctuations, power outages, ...

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 ...