V3 serial number: 17795
Home assembled ECU:
After assembly, config upload, and successful output testing the V3 stopped responding and draw more current from the bench power supply than usual the max232 in the circle started be get hot.
max232 is the RS232 interface chip: charge pump (+8V and -8V from 5V, and inverts the RX/TX signals, and provides protection for main processor)
Q: Can I order replacement in webshop?
- yes, [max232 / 202] for no extra charge
