This circuit was originally designed to measure capacitance with an ICL7107 but can be used with other digital modules. The circuit is from Electronics Now magazine from November 1996.
We found this circuit in the April 1978 issue of Radio Electronics magazine. The power supply must...
The frequency and active cycle of this circuit can be adjusted in P1. The LEDs flash alternately at a...
We have already explored this configuration in several articles on this site. This was found in an...