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An increasing number of appliances draw a very small current from the power supply. If you need to design a mains-powered device, you cou... -
Mains sockets switched automatically by a Control Socket, Up to 1000W switched power This circuit consists of a Trailing Socket (also c... -
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... -
This little circuit uses a LM317 variable voltage regulator to adjust the input voltage down to +9 volt, or whatever else you need. Ju... -
This circuit is wealthy in harmonics and is good for testing amplifier circuits. to seek out a fault in an amplifier, connect the planet cli...
