This circuit is from 1999 documentation. The integrated circuit used is not very common today. Both transistors are used if the motor current is greater than 500 mA.
This circuit retriggers when a new pulse arrives. It does this by discharging the capacitor. The...
This circuit was published in the December 1987 Radio Electronics magazine. It uses two 555s to...
This voltage regulator was obtained in the SGS manual of linear integrated circuits of 1982. The...