mirror of
https://github.com/uw-midsun/hardware.git
synced 2024-11-23 07:05:05 +00:00
2f38619a53
* ELEC-301 IMU Board Schematic libary Created IC SENSOR IMU LGA-14L PCB Libary Created PCB footprint IC SENSOR IMU LGA-14L Created PCB project and blank schematic sheets * test email setup * ELEC 301 - Linked IMU footprint to Shematic, and finished schematic for IMU. * ELEC-301 IMU Schematic Rev 1.0 PCB Library -Added footprint for IC SENSOR IMU LGA-14L -Added test points for SCL, SDA -Added LED to 3V3 * ELEC-301 IMU Board Rev 1.1 -Added 12 Volt Connector -Changed board dimensions to 50mm x 30mm -Created preliminary PCB layout * ELEC-301 IMU Board Rev 1.2 Created changes to reflect on suggested improvements -Added a 4.7k Ohm resistor between 3V3 and CS -Changed designator U1 to reflect Manufacturer Part Number -Added extra via to the 12V line -Removed some sharp right angles in the wiring TODO: -Considering to change from I2C to SPI * ELEC 301 - IMU Schematic Rev 1.3 Changed serial protocol from I2C to SPI -Removed 3 resistors owing to the change to SPI -Improved track efficiency and decreased distance * ELEC 301 - IMU * ELEC 301 - IMU Board Rev 1.4 Added a 10K Ohm NTC thermistor and wired SPI_NSS to CS -Added new schematic component NTC THERMISTORS 10KOHM 1608 SMD -10K Ohm NTC Thermistor connected to VCC, PA3/AN3, and GND -Connected PA4/SPI1_NSS to CS on the IMU * ELEC 301 - IMU Board Rev 1.5a Several changes to the schematic diagram: -Added an op-amp and RC filter to the thermistor signal to reduce leakage currents and reduce signal noise -Added an off-board duraclik connector to connect to an external thermal sensing unit -Added a 3V LDO to the duralick connector -Organized schematic into sections TODO: Update PCB to reflect the updated schematic. * ELEC 301 - Rev 1.5b IMU Schematic and PCB: Finalized PCB to include a 2POS Duraclik connector and 3V LDO. -Changed some routing for 3V3 tracks -Added more GND vias -Fixed silkscreen on bottom layer, and labelled all test points according to the SPI interface * ELEC 301 : Rev 1.5c -Added testpoints to 3V LDO Vout, and the output of the op-amp contained in the temp sense circuit -Fixed some clearance constraints. * ELEC 301 - Rev 1.6 -Saving progress for board reviews * ELEC 301 : Quick Save -Saving progress for rev 1.6 -Moved all analog components to use 3V from the LDO -Moved some components around to create better ground plane coverage -Added silk screen to connectors * ELEC 301 : IMU Schematic and PCB Rev 1.6 -Changed schematic symbol for NTC Thermistors 10KOHM 1608 SMD * ELEC-301 : IMU Schematic and PCB Rev 1.7 Increased board size to 5x5 -Fixed silk screen arrangements -Organized schematic * - Minor layout changes - Generated output files. * ELEC-301 : Schematic Diagrams and Footprints Merge Merged IC SENSOR IMU LGA-14L and NTC THERMISTORS 10KOHM 1608 SMD into Schematic Diagrams.SchLib and IC SENSOR IMU LG-14L into Footprints.PcbLib * Merge to master, changed NTC 10K 1608 SMD to NTC 10K 0603 SMD for consistency |
||
|---|---|---|
| .. | ||
| Project Outputs for IMU_Board | ||
| Carrier_Board_Template.PcbDoc.htm | ||
| Controller_Board_Interface.Harness | ||
| Controller_Board_Interface.SchDoc | ||
| Elecrow.OutJob | ||
| IMU_Board.Harness | ||
| IMU_Board.PcbDoc | ||
| IMU_Board.PrjPcb | ||
| IMU_Board.PrjPcbStructure | ||
| IMU_Board.SchDoc | ||