This circuit was found in a 1977 CMOS Integrated Circuit Cookbook. The circuit should not be powered by a transformerless source and the wire to the sensor should be short. The power supply can be made with voltages from 5 to 15 V.
This circuit was found in a 1977 CMOS Integrated Circuit Cookbook. The circuit should not be powered by a transformerless source and the wire to the sensor should be short. The power supply can be made with voltages from 5 to 15 V.