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 circuit is intended to measure the power of a transmitter for the citizen's band (11 meters or...
This metronome can use either a high impedance phone or a crystal phone. You can use a small...
The circuit shown in the figure modulates a low power infrared LED with TTL signals. The circuit can...