The compact OBD2 Analyser in the June 2007 issue was an enormous success — not surprising for an affordable handheld onboard diagnostics device with automatic protocol recognition and error codes explained in plain language. Now enhanced with a graphical display, Cortex M3 processor and an Open Source user interface, the next generation of Elektor’s standalone analyser sets new standards for a DIY OBD2 project.
The key advantage of this OBD2 Analyser NG is that it’s self-contained and can plug into any OBD diagnostic port. It is handheld and lightweight, requires no batteries and works without a notebook computer, making it far more practical than a PC adapter. A glance at the comprehensive Features panel indicates that this new gizmo has plenty more to offer. The source codes for the firmware of the controller are clearly identified, providing readers keen on programming with complete control over the configuration of the GUI, the way that process results are displayed and all manner of other functions. The hardware offers plenty of scope for expansion too, with the PCB already laid out for adding extra options such as a flash memory data recorder, a USB interface and a real-time clock (provision), in case you wish to implement an additional data logging function.
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