We found this circuit in the 1982 SGS linear integrated circuit manual. The L149 is not common today and the circuit can be implemented with equivalents.
Mouser Electronics offers a vibration sensor which is considered the smallest in its class. This...
This circuit acts as a NOR gate for LED drive from TTL outputs. The circuit must be powered from a 5...
This circuit can serve as a basis for a robot that follows a line on the ground. The circuit has...