Found in old documentation, this circuit consists of a simple power source where the transistor must be equipped with a heat sink. A indicated transistor can be the TIP32.
This source for devices for automotive use was found in a 1985 documentation. The power...
We found this circuit in an old Popular Electronics. It is possible to light a common neon lamp...
This circuit has an opposite action to the previous one, triggering when light falls on the...