This circuit was found in a Hands On Electronics from the 90s. It is intended to supply old tape players to batteries with a voltage of 7.5 V from the 12 V of a car battery or source.
April 2017 - Mouser Electronics already has the MAX4007 from Maxim Integrated in its inventory, an...
This experimental receiver works with alternative sources of energy or a single cell of any type....
This beacon causes an LED to flash with the mains voltage. The frequency depends on the capacitor. For...