Suggested by Philips in 1966 documentation, this limiter can be found elsewhere on this website. The circuit is for 7 V, but can be changed to other voltages, depending on the zener diodes.
This simple circuit, found in American documentation, uses only one relay that locks when any of...
This circuit that appears in several versions in this section and on this website was found in...
June 2017 - Mouser Electronics announced the availability of new low-power Bluetooth modules from...