Using Maxim components, this circuit consists of a regulator to a boost converter. The circuit operates in the indicated voltage range. The MAX5160M consists of a digital potentiometer.
This circuit functions as a thermostat triggering a relay when the boil control temperature...
The figure shows how to connect a relay to obtain the latch effect. The circuit is from an...
With this circuit it is possible to use a DC buzzer (not a transducer) as an extension of the...