Automated OBDII car Dashcam system

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What is Dashcam?

A fully automated Dashcam system written for the Raspberry pi in bash and Python3. It will record trips and upload these to a server when Wifi is available

MoreImages

Work in progress

Software

Python3

• mysql connector
• json
• requests
• pySerial
• pynmea2

Linux packages (Raspberry pi)

• rfcomm
• mysqladmin
• WiringPi
• gpsdate (Pre compiled ARM binary included) Link
• v4l-utils (For disabling autofocus on Logitech C920, optional)
• ffmpeg
• mysql server

For automatic launch on boot crontab -e

# m h dom mon dow command 
@reboot sudo screen -dm -S cd /home/pi/ && sudo bash main.sh

Bluetooth Pairing

Pair your OBDII device using bluetoothctl before launch

Database

• Create a new database called Dashcam
• Import the included sql file into Dashcam

Extra Create a folder called "recording" in the project root

Hardware

Components

• Raspberry PI
• Logitech C920
• NEO-6M GPS module (Serial)
• Relay
• ~12V to 5V converter
• ELM327 OBDII Bluetooth adapter

Connections

• GPS serial TX/RX to Raspberry pi UART RX/TX
• Camera to any USB port
• Relay connected to auxiliary power of car (on when key in aux position) to Raspberry pi GPIO pin 9 (reset) and ground

I experienced issues when using the onboard bluetooth of the Raspberry pi 3 (Kernel panics) I could not figure this issue out so for now I use a cheap Bluetooth USB dongle