Found in a Philips documentation from 1968, this circuit detects the trimpot set input voltage. The operational can be of almost any kind.
This circuit from the 70s uses components from that time. The converter and SAR are components that...
This series LED circuit was found in the February 1992 issue of Radio Electronics magazine. The...
This circuit senses two-way currents serving to monitor battery charge and discharge. We find it...