Bl12-a3 Bluetooth Site

Sometimes, on stormy evenings when power hummed back to life, one of the volunteers would pick up the console and blink it awake. BL12‑A3 would shine a little Fibonacci sequence and, if the room had an old smartwatch or a patient bulb within range, it would send out the smallest of handshakes: a reminder that it had been part of something. The volunteers called it Scout because it seemed to scout for stories. They never knew the whole truth. Nor did the module want them to.

Then the footage cut to static.

| Command | Function | Example Response | |------------------|------------------------------------------|--------------------------| | AT | Test communication | OK | | AT+NAME=<name> | Change device name | OK | | AT+BAUD=<x> | Change baud rate (x = 1–9, see manual) | OK | | AT+ROLE=<0/1> | 0 = Slave, 1 = Master | OK | | AT+RESET | Reboot module | OK | | AT+ADDR | Get module’s MAC address | +ADDR=XX:XX:XX:XX:XX:XX | bl12-a3 bluetooth

Typically 3W to 10W (Dual 5W speakers in some mirror configurations). Frequency Range: 100Hz – 20kHz. Sometimes, on stormy evenings when power hummed back

: Power down all surrounding smartphones or tablets that have previously connected to the mirror or module. Power cycle the BL12-A3 entirely to clear its active volatile connection registry and force it back into beacon pairing mode. 4. Low Volume or Flat Audio Playback They never knew the whole truth