This basic Schmitt trigger was found in an American publication from 1968. The circuit uses transistors from the time. Modern general-purpose types can be used.
September 2017 - Microchip is making available through Mouser Electronics the ARM Cortex® M +...
This precision circuit can provide timings from 0.2 milliseconds to 3 minutes accurately. The...
This circuit for a simple alarm system was suggested in an article in Electronics Now magazine. The...