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Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by klauslundsgaard

  1. K

    led after glow

    copy paste from Tony Steward: I personally found all the dry contact switches near my dimmable ceiling PAR LEDs get interference and blink every time a dry contact heater or fan switch goes OFF. Adding a suitable cap across the line like below or even less 10 nF across the switch, fixed the...
  2. K

    led after glow

    thank you for the responce. i found the capacitor fix here : https://www.reichelt.com/magazin/en/guide/avoid-premature-failure-of-your-led-lighting/ i understand that it is to be installed between the neutral and live wire ( on the 230 v side of the driver ?)
  3. K

    led after glow

    hi this is my first post on the site and my knowledge in electronics is near not existing ! i am making a light panel for enlargers. i use 25 pcs 3 w 3,4V leds in line and a constant current driver. i have got a new model of drivers and see a after glow in around 1/3 of the array of leds for...

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