28 Mar '15, 2pm

Speaking CAN With Open Source Hardware

You can buy a dongle with a weird industrial connector that fits under the dash of any car on the road for $15. This is just a simple ODB-II transceiver meant for reading error codes and turning a Crown Vic into a police interceptor. There’s a lot more to the CAN Bus than ODB-II; robots and industrial control units, for instance, and Hackaday alum [Eric] has developed an open source tool for all things CAN . [Eric] built this tool because of a lac of open-source tools that can talk CAN. There are plenty of boards floating around that can reset codes in a car using ODB-II, but an open hardware CAN device doesn’t really exist. The CANtact is a small board outfitted with a USB port on one end, a DE-9 port on the other, and enough electronics to talk to any CAN device. The hardware on the CANtact is an STM32F0 – an ARM Cortex M0 that comes with USB and CAN interfaces. This chi...

Full article: http://hackaday.com/2015/03/28/speaking-can-with-open-sou...

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