We found this circuit in the September 1995 issue of Electronics Now magazine. The circuit has 6 scales for resistance measurements and uses an analog indicator from 50 uA to 1 mA.
This solar cell driven circuit makes 4 LEDs run at a speed given by capacitor C2. The circuit is...
This is a circuit of the 80's ON Semiconductor thyristor manual. Of course, the configuration can be...
We found this circuit in an old documentation, but the components used offer no difficulty in obtaining...