This circuit was found in the February 1990 issue of Radio Electronics magazine. The gain is given by the capacitors according to the table next to the diagram.
We found this circuit in a Hands On Electronics from the 90s. The delay is given by the formulas...
Found in American documentation from the 90s, this circuit can be used as a shield with the...
This circuit uses the 7815 regulator to obtain a voltage for motor control num shield for PC. The...