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Updated Iris docs with known issues

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Nick McComb
2018-02-10 15:50:42 -08:00
parent b817725192
commit ea6050e777
1 changed files with 12 additions and 2 deletions
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electrical/documents/nodes/iris.md
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@@ -25,9 +25,19 @@ https://docs.google.com/spreadsheets/d/1TkVeK_GaS78QLqv8NcE_QGGE-NSj-3agn10lKnIS
#### Design files #### Design files
[MR1718 IRIS](https://workspace.circuitmaker.com/Projects/Details/Nick-McComb/OSURC-Mars-Rover-2017-2018-Iris-Board) [MR1718 IRIS on CircuitMaker](https://workspace.circuitmaker.com/Projects/Details/Nick-McComb/OSURC-Mars-Rover-2017-2018-Iris-Board)
### Downloads ### Downloads
[Schematic V1](files/iris-v1-schematic.pdf) [Schematic V1](files/iris-v1-schematic.pdf)
[Step V1](files/iris.step)
[3D Model V1 (STEP)](files/iris.step)
### Known Issues
#### Version 1
- Used CAN tx/rx instead of hardware UART
- Connections from FTDI to RS485 transceiver wrong, need to short DE / RE pins together, then this connection goes to FTDI enable. PWREN for the RS485 converted is wrong naming and doesn’t reflect its purpose. No connection to PWREN on 4232 needed...
- Missing 3v3 rail connection to VBAT pin on Teensy. Will program without it, but will not boot without it.
- For R46 vs R47 selection, only R47 is needed.
- No invert needed for S.BUS connection (bridge pins)