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Update troubleshooting.md

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Paul Guenette
2021-11-20 13:46:15 -05:00
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@@ -105,3 +105,7 @@ when you call `dump_errors()`, you have a version mismatch between odrivetool an
- If you experience this issue use a twisted pair cable between your microcontroller that’s generating the step/dir signals and your odrive board. A section cut from cat-5 cable works well as does just twisting some normal insulated wire together.
- Ensure that the step/dir signal cables are not draped over the odrive board, are not running in parallel to the motor or power supply cables.
- If the above does not resolve your issue on V3.4 boards and lower try adding a ~22 Ohm resistor in series with the step and direction pins along with a ~ 4.7 nF capacitor between the ground pin and the step and dir pins such as shown [here](https://cdn.discordapp.com/attachments/369667319280173069/420811057431445504/IMG_20180306_211224.jpg).
### Index search never completes
There are some GPIO pin interrupt collisions on ODrive 3.6 that could cause index search to fail in certain conditions. If you are using both step/dir and index pins, we recommend disabling `step_dir_always_on`. For more information, see this thread: https://github.com/odriverobotics/ODrive/issues/605#issuecomment-971576393