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Science Node

Science

Designed by Anthony Grana.

Summary

Made for the science end affector for the 2018 rover. Powers, and comunicates with the Soil Probe via RS-485. Uses simple logic to power a drill motor (24V,5A, full forward, full back, stop). Outputs 5V to power a digital camera. Sends a signal to the didgital camera to control shoot and zoom.

Bill of Materials

Bill of Materials V1.1

Design Files

Science node on circuit maker

V1.1

Known Issues

V1.1

  1. The Drill motor controller will pull 5A but the curent power connector for the board can only handle 3A.
  2. For both RS 485 chips, the RX and TX pins need to be reversed.
  3. The RS 485 for the soil sensor is connected to the CAN RX TX instead of the Serial RX TX.

V1.2

No Known Issues

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