Notes

E-stop:

• New relay ahead of power distribution block for ESCs.

• Need to diagram the E-stop circuit

  • Include Hall Effect E-stop board

• Concerns about Presto being chonky

  • But this is only needed for software E-stop

• Servo folded motor**???**

• Camera under ROV? or camera pointed down? (For sensing lighted tube during comp at depth)

  • Aaron would rather have DVL than camera (doppler velocity log BlueRobotics, accurate velocity measurements)
    • (underwater GPS)

• Detachable tether (Real, see Shrey/Sean (if he has any ideas)

  • CDR forthcoming

• Second tube

  • Would house:
    • Jetson (camer/sensor)
    • Pico
    • Presto 3 (Remote E-stop)
  • Indicator light would take up 1 penetrator—lights already exist in lab

• Nick’s idea (ask Nick)

  • BlueROV tethered to boat
  • BlueROV has antenna
  • USV does the rest of the stuff

• Detachable tether brainstorming

  • Detachable tether → ROV to boat makes life less good
  • Fully tethered can get caught

• GPS on BlueROV

• Takeaways

• Shrink / modify Presto, E-stop boards (DONE)

  • Add parts to bill
  • Design review PCBs

• Add relay to bill (Ask… someone?)

• Add tube to bill (PURCHASE! - James “DIRECT REQUEST—ASK QUESTION”)

• Figure out power distribution system for non-estopped hardware

• Sketch out E-stop circuit

• Non-thinking (decisions made for task) sub is priority for RobotX

• Add GPS antenna, Heltec (base station radio) antenna connectors, R/C antenna (Ask… someone, reviewers)

  • https://www.bluetrailengineering.com/product-page/cobalt-series-coaxial-cables-and-connectors (CONFIRM FOR ANY ANTENNA, MAKE SURE IT”S WATERPROOF)

• Waterproof servos—as we need for comp tasks?

Notes:

Hydrophone to detect acoustic ping, look at that (hydrophone exists) (stores data on SD card, we need it to stream it to BlueROV)

4-27-26: TO DO ask about:

• GPS antenna, Heltec antenna connectors, R/C antenna
• relay ahead of power distribution block for ESCs