Summary
Made for MR1718 as part of the OSU Robotics Club.
Enables a single USB port to act as 10 RS485 Transceivers, receive inputs from an S.BUS style RC receiver, and interface with a few switches. Input power is 24V (self powered, no power is drawn from the USB connection). Features a Teensy 3.2 microcontroller.
This design is entirely Open Source and is available on CircuitMaker: MR1718 Iris
This is a 4-layer design.
Mars Rover documentation can be found here: Iris Node. This includes known issues.