This powerful pushbutton uses a power MOSFET. We found it in a Popular Electronics magazine from the 90s. The MOSFET must be mounted on a heat sink.
The first transistor can be the BF494 and the other BC548 on this MW radio found in a...
This automotive alarm uses common components and is suitable for old vehicles. The circuit was...
This voltage regulator was obtained in the SGS manual of linear integrated circuits of 1982. The...