This command queries the address of the device on the bus.
If more than one sensor is connected to the bus, they all respond, causing a bus collision.
Command format:
?!| ? | Address query command |
| ! | Command terminator |
Response:
a<cr><lf>| a | Device address (default = 0) |
| <cr><lf> | Response terminator |
Example (device address 0):
?!0<cr><lf>