Bluetooth SPP for OBD

Application for OBD adapter buyers using ELM 327.Display data of Bluetooth communication with the OBD adapter.You can send and receive data via SPP.You can send and receive freely like chat.A sufficient understanding of OBD is necessary for use.Its easy, but I explain how to use it on my blog.http://iimhmt.blogspot.com/2018/09/bluetooth-spp-for-obd.html