Changes by last author:
Changed:
| After assembly, config upload, and successful output testing the V3 stoped responding and draw more current from the bench power suply than usual the IC in the circle started be get hot. |
|
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. |
|
Q: What could be the problem
Q: What does this IC |
| 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) |
| * yes, [max232 / 202] for no extra charge |