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  1. G

    Color wheel or DIP inductors

    I want to experiment making rf oscillators with the idea of building a very simple 27MHz transmitter with a range of 5m. I've been trying to source inductors and found plenty of kits on ebay. They are supplied as either : ColorCode Wheel Inductor Loop (...
  2. G

    12V power supply

    I have a 240V to 12V transformer that I'm using to power multiple circuits. Each circuit uses the 12Vac to create a 5V and 3.3V dc ( from the 5Vdc) and draws about 100mA. The circuits are PIR sensor and a ESP 8266 or a relay( driving LEDs) and an ESP 8266. The problem is the 5V regulator gets a...
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