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The circuit presented here can be used for connecting two telephones in parallel and also as a 2-line intercom. Usually a single telephone i... -
This is a simple ceiling fan regulator circuit diagram. It is used to control the speed of a ceiling fan. In the other words it is an AC mot... -
This is a very simple LED flasher circuit diagram that is powered from AC 230V mains. This Flasher can be used as a power indicator for the... -
Small circuit to run a LED on line voltage (English) This little circuit allows to connect a LED to line voltage. A LED can not handle wi...
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The circuit can be simply Q1 is connected as a current source. By D1, there is a constant voltage on the base, and it is worth considering...
