Key recommendation captured: start with a safer low-voltage ESP32 logic board and use isolated connectors/interfaces to the high-voltage board until exact mains-rated parts, contactor coil voltage, sensor types, and enclosure strategy are finalized.
I’ll use these reference images to refine the documented architecture and PCB feature list, especially the single-board labels, touch/network edition, relay/protection zones, and user-control layout. I’ll update the project files rather than duplicating the long details in chat.
I updated the project requirements using the uploaded reference images and added a new Reference Image Assessment.
I also updated the Project Specification with the image-derived features: touch/network edition labeling, front-panel LEDs, five-key backup UI, relay/protection zones, and clear PCB service markings.