This circuit turns off a load after an interval of 8 to 80 seconds adjusted on the potentiometer. The circuit is from a Radio Electronics June 1970. The time depends on C1 and can be changed.
This low power metronome produces pulses in a small loudspeaker. Pule rate is adjusted by P1 and...
The Texas Instruments TPS7A92 integrated circuit consists of a low-voltage (LDO) linear voltage...
In the figure we show the typical configuration of a shared line using a twisted pair where the...