This circuit uses CMOS integrated circuits and can operate with CMOS logic from 3 to 15 V or TTL with 5 V power. The power is obtained from the circuit under analysis.
This simple circuit indicates the conductivity of materials through two LEDs and two LEDs are...
Published by Philips in 1965 documentation, the sensor for this circuit is a common LDR. The...
This simple shield for microcontrollers and TTL digital circuits was found in documentation from...