This circuit was found in a 90’s EDN. The components used are still common and the sensors can have their quantity increased. The supply voltage is according to the relay.
This circuit sources a Constant current to a load. The current is determined by R2. In the...
August 2017 - Mouser Electronics is making STMicroelectronics' Analog and Digital MEMs available in a...
This windshield wiper interval switch was found in the April 1990 issue of Radio Electronics...