OBD_Logger-6000 CAN Bridge

based on work from Damien Maguire work (https://github.com/damienmaguire/stm32-Logger/tree/master)
A self enclosed OBD logger for up to 4 CAN (fast/flex) and single LIN channel. Onboard SD card slot for data storage, plugable HC-05 Bluetooth and ESP-01 or WeMOS mini D1 modules for remote monitoring. 3 LEDs for power and status monitoring and I2C port for expansion like LCD display and I2C EEPROM.
Fully compatible with Damien Maguire logger code. Board has some different RJ45 wiring corrections to allow utilization of twisted pairs of CAT cables. It adds DB-9 connector compatible with standard OBD-DB-9 cables fir cingle channel CAN1 and LIN and power connection. Additional screw termianls allow power and CAN connections.
Option for onboard  CR1220 battery will keep contents of RAM in CPU in tackt.
Build your own firmware or use Damien's for out of box CAN logger