Found in an Electronic Design and 1970s, this circuit uses transistors of the time. The transistors can be replaced with equivalents and the relay is 12 V depending on the power supply.
Found in a Popular Electronics from the 90's, this circuit detects the approach of objects by the...
March 2017 - This new component of Vishay has a 16-bit resolution that allows it to be used in a...
This circuit indicates through LEDs when an automotive fuse is open. ...