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Liam Hawkins

Liam Hawkins

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  1. Remove R23.
  2. Connect the E-load between the HSD side of the kill switch connector, and GND.
  3. Supply 12 V between GND and 12 V.
  4. Enable IN2 and DIAG_EN of the HSD (PB8 and PB9).
  5. Set the E-load to draw 100 mA. This will trigger the over-current protection feature of the HSD.
  6. Measure the voltage across D2. If it is 3.3 V or less, then R23 can be added.
  7. Turn off the power supply.

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