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atopile / spin-servo-drive

SPIN ✨ - Servos are awesome 🤩. Spin is an open-source hardware project to make it easy and cost effective to use fully-fledged BLDC servo motors 🚀
https://atopile.io
MIT License
74 stars 8 forks source link

Manually test current sense #26

Closed napowderly closed 3 months ago

napowderly commented 5 months ago

Manual validation of current sensor.

Procedure:

  1. Directly attach wires across shunt

    Screenshot 2024-05-24 at 10 24 21 AM

  2. Source current with PSU

  3. Measure output of opamp circuit with Saleae

  4. Read ADC value from micro

Phase A:

Screenshot 2024-05-24 at 10 26 32 AM

Phase B:

Phase C: