This circuit allows you to adjust the balance between channels of a stereo amplifier. The circuit makes use of an analog indicator with zero in the center of the scale.
This circuit consists of a voltage regulator for 6 V batteries with a very low voltage drop. The...
This circuit was obtained from a 1986 Spanish magazine Resistor. The magazine no longer exists, but...
We found this circuit of a transistor siren in a recent English publication. All components are still...