11 devlogs
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sleek, USB-C powered terminal for real-time vehicle network research. Transparent, matte-black hardware for anyone interested in hardware analysis and hacking
Shipped this project!
shipping nowwwwwwwwwwwwwwwww
In this version, the board can now plug directly into a car and safely run on the car’s 12V battery.
Added a 16-pin OBD2 male connector footprint to plug the board straight into a vehicle.
I have completed the PCB routing, now I just have to do DRC checks and solve them. In this version, I have added a OBD port and a Buck converter for direct power. I am thinking of adding a SD port for data logging as well.
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I have completed the planning, now I have started PCB routing, but almost 1.5 hours of my time in laps has been lost.
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Shipped this project!
This is my first project ship
i final learn to make a 4 layer pcb in EASYEDA(i also want to learn KICAD)
and i am also learn lot about STM32 .
This board is powered entirely by the 5V USB connection, if you use this Do not connect 12V or 24V vehicle power to the CAN header, as the current power regulator is not designed for high voltage.
furtherr i will ship more STM32 based project
version one is completed now please have a look
https://github.com/ego10-ai/can-sniffer/releases/tag/v1.0.0
in this version :–
Core components: STM32G431CBU6 microcontroller and TJA1462 transceiver.
Supports standard CAN 2.0 and CAN FD networks.
Includes a 2-pin header and jumper cap to easily turn the 120 ohm termination resistor on or off.
4 status LEDs on board.
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finally my pcb for can sniffer is completed now.
component list for my can sniffer:-
- ARM Cortex-M4 Microcontroller STM32
- TJA1462ATX CAN FD Transceiver
- 3.3V LDO Linear Regulator
- USB Type-C Receptacle (SMD 073)
in next version i will OBD port so it directly run using car power
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In an attempt to keep the PCB size of my project small, I ended up using a 4-layer PCB, and after that, it was not routing at all. After a lot of effort, I finally managed to route the MCU. Now, routing the remaining components will not take much time.
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MY SCHEMETIC WORK IS DONE AND DRC CHECK IS ALSO WITH 0 ERRORS,
NOW ITS TIME TO MAKE PCB
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SCHEMATIC IS COMPLETE FOR NOW ONLY THING IS REMAINING NOW IS DRC CHECK,
I AM USING STM32 AS A BRAIN FOR MY SNIFFER
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component selection is almost done
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I’m working on my first project! This is so exciting. I can’t wait to share more updates as I build.
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