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M5Stack ESP32 Oscilloscope

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About

Testing and callibration

Oscilloscope Menu:

  1. Run/Stop
  2. Channel 1 range
  3. Channel 2 range
  4. Channel 1 and 2 rate
  5. Channel 1 mode (Normal, Inverted, Off)
  6. Channel 2 mode (Normal, Inverted, Off)
  7. Channel 1 Offset
  8. Channel 2 Offset
  9. Trigger Channel: 1 or 2
  10. Trigger mode Auto, Normal, Scan
  11. Trigger Level
  12. Trigger Edge: Rising (UP) or Falling (DN)

Warning

- ESP32 MAXIMUM GPIO input voltage is 3.3V

- Feeding higher voltages on INPUT pin's can damage the chip

- Consider using a voltage divider to measure higher voltage signals