Review-stage programmable single-phase AC EV charging controller and test board schematic. Not production-ready or safety-certified; HV, relay, creepage/clearance, thermal, EMC, protection, and manufacturing decisions require review.

Industrial 24 V DC MESBox controller with embedded Linux SOM, STM32 real-time I/O, triple RJ45 Ethernet, TFT display, isolated inputs, protected transistor outputs, offline memory, surge/reverse-polarity protection, and EMC-focused layout constraints.