'Sending AT cmd to BLE OBDII device
I am building an app but I wanted to test the device before start coding.
The device that I am using is veepeak BLE OBDII. I can connect to it using other popular apps with no issue e.g. CarScanner.
When using LightBlue app (BLE testing app), I can connect & see write and notify services/chars but when sending any AT command e.g. "ATZ \r" I always get "?" response.
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