This circuit interrupts the power supply when grounding is missing. The circuit is from an old documentation (from the 80's) using current transformers and other components of the time.
We found this circuit for 330 MHz using PIC in the magazine Electronics Now of December 1994. The...
This circuit has been obtained from a technical documentation on filters from 1977. The...
June 2017 - Microchip's new PIC18LF67K40 8-bit microcontrollers with Flash / EE / RAM memory and...