This 12V stepper motor controller was found in the August 1996 Electronics Now magazine. The circuit has a pulse input and the MOSFETs can be of virtually any type.
This circuit can be used in PLL, frequency synthesizer in FM and VHF receivers, reducing a...
We found this circuit in an old documentation. Transistor can be BC548 and relay according to...
This is a typical 3 ½ digit TTL counter. We found it in the September 1973 issue of Radio...