This protection circuit trips by quickly blowing the fuse in the event of an overcurrent. The circuit is from a 1964 Electgronic Design. The transistor can be general-purpose.
This circuit can be used in demonstrations or science fairs. The circuit uses headphones and can...
We found this wiretapping circuit in a publication from the 90s. The circuit allows the cable...
This circuit uses a resonant reed switch at the trigger frequency. The circuit is from General...