Hack Your Car With Macchina M2




Car hacking applications have been growing during the last few years, making it faster and cheaper to get into automotive tinkering. A new device was launched recently on kickstarter called M2 by Macchina.

Hack Your Car With Macchina M2




M2 is an open-source, versatile development platform which can be wired under the hood for a more permanent installation or plugged into the OBD2 port, enabling you to do virtually anything with your vehicle’s software.

It is a tiny device (56.4mm x 40.6mm x 15.7mm) that is compact, modular, wirelessly connectable, and based on the popular Arduino Due. It consists of a processor board with a SAM3X8E Cortex-M3 MCU, a USB port, some LEDs, an SD card slot, and built-in EEPROM, as well as an interface board with two channels of CAN, two channels of LIN/K-LINE, a J1850 VPW/PWM, and even a single-wire (GMLAN) interface.

M2 is universal as its libraries and protocols are compatible with any car that isn’t older than Google. Macchina also aims to make the M2 compatible with as many existing open source software packages as possible.It is already compatible with SavvyCAN, CanCAT, MetaSploit, and CANtact.

Working with M2 is easy for Arduino users. Here is a summary of the steps needed to duplicate our shift light project on a CANbus-equipped manual transmission car that also illustrates the basic workflow when car hacking with M2:

  • Step 1: Download the latest Arduino IDE and install the Macchina boards add-on; test everything is working by blinking an LED.
  • Step 2: Download and install one of several open source “Sniffer” applications to your computer and upload the corresponding “sketch” to M2.
  • Step 3: Use the “Sniffer” application to identify the piece of data you are looking to use. In this case, engine RPM
  • Step 4: Write a “Sketch” to watch for RPM data and light up some LEDs proportionally and flash when it is time to shift.
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