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.
The movement of the indicator needle indicates when something or someone approaches the sensor, an...
This circuit was found in an Electronic Design from 1968. Its purpose is to produce synchronized trigger...
Using the CMOS IC 4046 we found this VCO in the November 1984 Radio Electronics magazine. The...