We found this circuit in the March 1992 issue of Radio Electronics magazine. The circuit has a range from 1.25 V to 1 kV. The formula for the voltage values is given.
This circuit monitors extra-low frequency (ELF) fields. We found it in an American documentation from the...
We can use any type of resistive transducer with central resistance in the range of 10 k ohms to 1...
This circuit controls two lamps so that when one increases in brightness the other decreases. The...