This circuit was published in the December 1987 Radio Electronics magazine. It uses two 555s to drive 6 flashing LEDs.
Based on the CA3140 IC, this circuit was found in the June 1986 issue of Radio Electronics....
When sensors X1 and X2 stop driving by the dryness of the monitored location, the oscillator...
This circuit works directly connected to the network and special care must be taken with its...