Audio Controlled Mains Switch Circuit
This is the Audio Controlled Mains Switch diagram circuit that is most useful for audio or video equipment, where the device can be turned off automatically when there is no … Read more →
Digital logic touch switch circuit
Many circuits for TAPs (Touch Activated Pro-gramme switches) have previously been pub-lished. However, all of these required the use of two pairs of touch contacts, one to set the TAPto … Read more →
Car Battery Monitor Circuit based TCA965
In the wintertime periods, when starting is hard and headlamps need usually be used, it is all too easy for a car battery to be discharged to a desperately low … Read more →
Phaser Audio Circuit Based Op-Amp
In difference to lowpass or highpass filters, the gain of an all-pass filter resides constantly over the range of frequencies at which it is used, but it does offer a … Read more →
Random running lamp circuit
If a number of the outputs of a shift register are fed back in a special style via an EXOR gate to data input, then the Q outputs of the … Read more →
