From ea6050e77779887f82dfb62afd54db20b78c528b Mon Sep 17 00:00:00 2001 From: Nick McComb Date: Sat, 10 Feb 2018 15:50:42 -0800 Subject: [PATCH] Updated Iris docs with known issues --- electrical/documents/nodes/iris.md | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/electrical/documents/nodes/iris.md b/electrical/documents/nodes/iris.md index 11bb531..d20cc14 100644 --- a/electrical/documents/nodes/iris.md +++ b/electrical/documents/nodes/iris.md @@ -25,9 +25,19 @@ https://docs.google.com/spreadsheets/d/1TkVeK_GaS78QLqv8NcE_QGGE-NSj-3agn10lKnIS #### 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 [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)