Schematic DIY KitNullspannng detector Turn the zero crossing
An often used technique is the so-called Nulldurchgangsdetekor. He allows it, a consumer to an AC voltage to turn on if and when the AC voltage has a zero crossing. Thus, the inrush current and inrush current can be minimized.
Here links to corresponding circuit concepts

Here you will find Schematic Circuit Diagram for DIY and further information on Nullspannng detector
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Zero crossing with Atmel controllers atmel.com/dyn/resources/prod_documents/doc2508.pdf
Zero-crossing detector with transistors www.visionics.ee/curriculum/Experiments/Zero%20Crossing%20Detector/Zero%20Crossing%20Detector1.html

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