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ARDUINO LINBUS GADGETS
An Arduino based LINBUS stack that allow to explore and hack linbus based system.
Unless specified otherwise, the PCBs can be used with standard Aruduino IDE, behaving as Arduino Pro Mini 5V 16Mhz with ATMEGA328.
<br> **Analyzer** - a small PCB that connects on one hand to linbus and to a computer USB port on the other. The analyzer decode all the linbus frames and dump them to the computer. The USB connection emulates a serial port using a builtin FTDI adapter and can be read with standard serial application. A special python script is provided in the tools directory to dump the serial data in diff mode such that only changed bits are displayed. The board design support also linbus TX which allow to have this board functioning as a linbus master or slave (this however requires firmware changes).Feature | Analyzer | Beeper | Injector |
---|---|---|---|
Max LIN speed | 20kps | 20kps | 20kps |
Min LIN speed | 1kps | 1kps | 1kps |
Operating voltage | 12V | 12V | 12V |
Max voltage | 40V | 40V | 40V |
LIN frame dump/log | Yes | Yes | Yes |
LIN checksums | V1/V2 | V1/V2 | V1/V2 |
Computer serial interface | FTDI/USB | Serial 5V | Serial 5V |
Computer serial speed | 115,200 | 115,200 | 115,200 |
Audible output | No | Yes | No |
LIN signal interception | Yes | Yes | Yes |
LIN signal injection | No | No | Yes |
Arduino IDE compatible | Yes | Yes | Yes |
Programming language | C/C++ | C/C++ | C/C++ |
MCU | ATMEGA328P | ATMEGA328P | ATMEGA328P |
MCU speed | 16Mhz | 16Mhz | 16Mhz |
Schematic/Layout software | Cadsoft Eagle | Cadsoft Eagle | Cadsoft Eagle |
PCB Size (inches) | 1.3 x 1.5 | 1.15 x 1.6 | 1.31 x 1.44 |
PCB layers | 2 | 2 | 2 |
Component mounting | SMD | SMD | SMD |
Min component size | 0805 | 0805 | 0805 |
OSHPark compatible | Yes | Yes | Yes |