We found this circuit in the November 1995 Electronics Now magazine. The circuit is more accurate than the previous one using an external multimeter as an indicator.
May 2017 - In stock at Mouser Electronics DGD Dgate drivers from Diodes Incorptrated ara...
This circuit is from the 1977 RCA Linear Integrated Circuits Manual. The circuit has a...
The sensor is S1 in this alarm that we found in a Radio Electronics magazine from May 1971....