![]() ![]() At the moment there are also more recent circuits (ELM 329), but working exclusively with modern protocols, for example, ISO 15765-4 (CAN). The popularity of the controller is due to this factor. It should be noted that ELM327 is not the only controller from the above-mentioned company, but it covers the largest number of protocols. ![]() Its task is to convert the OBD protocol to the COM port, which we will talk about later. Exactly this controller is called ELM327. The most famous variant of the adapter is developed on the basis of the PIC18F2480 chip, for which the firmware was created by the Canadian company ELM Electronics. Like the vast majority of modern gadgets, the design of the adapter is the main and several auxiliary chips, which are placed in the case and provided with connecting elements in the form of conductors and connectors. ![]()
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