This circuit is based on the DCP010515 integrated circuit found in the August 1998 issue of Electronics Now magazine. This integrated circuit is not very common these days.
We found this circuit in an old American publication. The transistors can be BC558 and diode 1N34....
This simple circuit operates with only 1.5 volts of a battery and detects low resistance making a...
The cascade connection of two flip-flops allows division by 4, as shown in the figure. Note that...