| Three transformer stages switch in automatically, so the pass transistor only ever drops the minimum. A Power-MOS rectifier and voltage doub...
All items tagged with Elektor Labs and Power & Energy (32)
| 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...
| This static and dynamic DC load project delivers up to 10 A for testing power supplies. Built with dual 5 A stages, Bessel filtering, and ad...
| Clean up hum in your audio power amps with this smart supply design. The project demonstrates a simple way to cut ripple without full regula...
| Check out this compact, battery-powered triple supply (+6V, +20V, -20V) for lab use. It is portable, efficient, Arduino-controlled — which m...
| Check out this efficient 5-V to 12-V converter. Using a Murata NMH0512SC, it is ideal for audio circuits and USB-powered systems. The design...
| Tired of the loud fan on your ET5410A+ DC load? This DIY mod quiets the unit at light loads and boosts cooling at high loads. By adding a di...
| Extend your UPS and solar battery life! PbMonitor shows real-time voltage, current, and temperature per battery — built with ESP32-C3 and MQ...
| Build a compact lithium battery health monitor that shows State of Charge (SoC) and State of Health (SoH) using colorful LED bars. Based on...