You are free to use these files as you wish, but Elm Electronics Inc. Here are the supporting files for you to download: We’ve posted some of the design information for our (3″x4″ single-sided) demonstration board that was used for the original beta testing: If making your own pcb, we can help get you started for the ELM327 only. You may find one from the links on our OBD links page, or possibly prefer to make your own.
Where can I buy a circuit board for my ELM IC?Įlm Electronics does not sell any circuit boards, but several vendors do offer boards and kits. Note that this section deals with OBD related help only – be sure to also see our Help > Construction Tips section for general circuit help. If you are having trouble, then there is likely an answer here.
The following tips are a result of the many technical support questions that have been asked about using our OBD Interpreters.