[Alex Sidorenko] has built an open source OBD-II Adapter which provides a serial interface using the ELM327 command set and supports all OBD-II standards. We featured [Alex]’s inexpensive PIC ...

We can’t find anyone else in our archive who’s made a Bluetooth dongle in this way, but we’ve certainly seen sniffing of HCI commands to reverse engineer a speaker’s communications.

I appreciated the Ancel BD310 for its versatile connectivity options, allowing users to switch seamlessly between a wired dongle and Bluetooth ... simple and reliable OBD-II scanners, the ...