Lightning Disconnector and Automatic restart board. See https://github.com/gds32571/AutoStart This pcb is not yet tested, but protoboard is running on three different RPi computers now. For more details about the Lightning Project here, refer to: https://gswann.blogspot.com/2019/07/auto-start.html and https://gswann.blogspot.com/2019/07/lighting-detection-and-surge-mitigation.html