This simple bridge circuit can be used for impedance or resistance measurement using a high impedance earphone as an indicator. The circuit is from an American 80's documentation.
June 2017 - The new touch screens with resistive sensors of the FK Series from NKK Switches can...
This circuit lets through the 300 Hz to 3kHz range that corresponds to the human voice. We found it...
This circuit, found on Motorola's Linear Interface ICs uses the MC1536 as a driver for a 36 W or...