This resistance meter circuit was found in the February 1984 issue of Radio Electronics magazine. It is based on a digital module from that time. The power supply is 5 V.
We obtained this circuit from an old Argentine magazine. The circuit originally uses germanium...
We found this circuit in an old English publication. The sensor is a common LDR. and the...
This circuit is from an 80's component manual. The components are from the time, but the circuit...