This low power circuit was obtained from an American 80's documentation. The circuit indicates the voltage of a battery being trimmed by the trigger point. The transistors can be the BC549.
Using a symmetrical source this circuit reverses the rotation of a small motor through light...
This circuit was obtained from an ancient American documentation, but appears elsewhere in this...
July 2017 - The new Texas Instruments ISO772x digital isolators with a speed of up to 100 Mbps and a...