This circuit generates control signals for stepper motors. We found it in a 90s Popular Electronics. The power can be made with a 5 V supply so that it works as a shield.
I found this circuit in an article in a 2003 publication. The circuit is an example of how to...
This 9 V amplifier has a gain of 20 and provides a power of a few hundred milliwatts. The circuit is...
Found in an old Elektor, this circuit uses two 7-segment displays to indicate the volume of an...