This interesting circuit was found in a 90’s American documentation. The circuit has a maximum current of 20 A and uses a transformer with the characteristics given next to the diagram.
Written in an article in Radio Electronics magazine in April 1987, this circuit triggers an alarm...
This is the receiver circuit for the previous transmitter. The circuit has a programming key to...
This is an example of a temperature sensor shield using the Texas Instruments TMP390 obtained from...