obd - Identify rx/tx on an elm327 bluetooth adapter - Electrical Engineering Stack Exchange

Can you please help me to identify Rx / Tx pins of this OBD adapter in order to connect to it using an Arduino? I did that once with other adapter that looks the same on outside but different in i

Couldn't connect to OBD scanner · Issue #49 · PowerBroker2/ELMduino · GitHub

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