| Mains hum from loudspeakers isn’t always caused by bad wiring, poor cables, interference, or grounding issues. Sometimes the amplifier power...
| Mains hum from loudspeakers isn’t always caused by bad wiring, poor cables, interference, or grounding issues. Sometimes the amplifier power...
| Smart battery storage for balcony power plants now lets you use more of your own energy instead of giving it away. Improved control and effi...
| PbMonitor v2.0 is an improved battery monitoring system featuring a refined analog front end, an ESP32-C6, and a higher-resolution ADC for s...
| LED lighting is the norm, and you encounter those things absolutely everywhere. Modern LED lamps achieve roughly 70 to 150 lumens per watt,...
| As the world becomes increasingly electrified — from smartphones to electric vehicles (EVs) — the demand for high-performance, long-lasting,...
| This compact through-hole PSU design features two independently adjustable LM317-based regulated outputs, supporting both EI30 and EI42 main...
| This LM723 power supply delivers 0–24 V at up to 750 mA without requiring a negative or floating auxiliary supply. Using clever configuratio...
| Today’s smart home ecosystem is evolving beyond isolated pockets of automation into a more intelligent and interconnected landscape. Lights,...
| This second part of the small project series is a practical guide to assembling and testing the precision laboratory power supply presented...
| In the previous issue, an adjustable DC load was presented. It allows the implementation of an electronic load for DC power supplies and can...