Authors: Chase Block and Sijin Woo
Firmware: https://github.com/lhr-solar/Sunlight
This hardware includes a GPS, IMU, SD Card Reader, CAN interface, and Ethernet interface. The software on this board is responsible for data collection on the solar vehicle.
Interactive BOM (Must download and open in browser)
Mouser Cart (GPS module purchased directly from Adafruit)
| # | Name | Type | Pin 1 | 2 | 3 | 4 | 5 | 6 | Notes |
|---|---|---|---|---|---|---|---|---|---|
| J1 | CAN Logic Analyzer | 1x3xP2.54mm Female | GND | TX | RX | ||||
| J2 | IMU Logic Analyzer | 1x5xP2.54mm Female | GND | SCL | SDA | INT | RESET | I2C | |
| J3 | GPS Logic Analyzer | 1x5xP2.54mm Female | GND | TX | RX | FIX | 1PPS | USART | |
| J4 | Serial Wire Debug | 1x4xP2.54mm Female | +3.3V | SWCLK | SWDIO | GND | Flashing | ||
| J5 | SD Logic Analyzer | 1x6xP2.54mm Female | GND | CS | MOSI | CLK | MISO | DET | SPI |
| J6 | N/A | Vestigial annotation | |||||||
| J7 | 12V Power | 1x2xP3.00mm Molex Micro-Fit Female | +12V | GNDPWR | Primary power board | ||||
| J8 | Ethernet | RJ45 | Refer to Sunlight repo for radio connections | ||||||
| J9 | Storage | microSD Card | Local logging | ||||||
| J10 | GPS Antenna | SMA Male | Extends range | ||||||
| J11 | Serial Debugger | USB Micro B Male | At 115,200 bauds, PuTTY | ||||||
| J12 | CAN In | 1x4xP3.00mm Molex Micro-Fit Female | +5V | GND | CAN_H | CAN_L | Interchangable with J13 | ||
| J13 | CAN Out | 1x4xP3.00mm Molex Micro-Fit Female | +5V | GND | CAN_H | CAN_L | Refer to JP1 below if end of bus |
| Component | Name | Notes |
|---|---|---|
| JP1 | CAN Endpoint | Close if end of bus |
| SW1 | Board Reset | Click to reset STM |
| SW2 | RTC Battery Check | Hold for status LED |
| SW3 | GPS Battery Check | Hold for status LED |
| BT1 | RTC Battery | CR1220 |
| BT2 | GPS Battery | CR1220 |
