The circuit was found in the February 1992 Radio Electronics magazine. The scale can be changed by changing R2 and R3.
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....