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Summary of change:
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, [https://shop.vems.hu/catalog/max232-max202-p-216.html max232 / 202] for no extra charge http://www.vems.hu/files/CsotiF/20180415_125538.jpg
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