- on Home & Garden
- Published in issue 7/2009 on page 93
Dimmable Aquarium Light with Simulated Sunrise and Sunset
Electronic ballasts (EBs) for fluorescent lamps, also known as electronic control gear (ECG), have advantages over their conventional cousins: higher efficiency, flicker-free start-up, no 50 Hz (60 Hz) flicker and longer tube life. The interface described in this article provides an interference-proof DC voltage of up to 10 V, which, when loaded, delivers an essentially constant current of 0.6 mA.