User Instructions

Bluetooth specifications： Bluetooth 5.1
WIFI : 802.11n
IC： BL2028 QFN32
The WIFI module name：FDAC4110
Product reference circuit：
Footposition instructions （ See the lower right corner of
the circuit diagram）：
order
numbe
foot position
IC foot
position
mold
function declaration
other
1
WIFI_ACTIVE
P7
O
WIFI connection status
0 - not connected
1 - connected
2
BLE_ACTIVE
P8
O
BLEconnection status
0 - not connected
1 - connected
3
AP_CEN
P9
I
WIFI mode selection
0 - STA
1 - AP
4
BLE_TX
P11
O
UART communication
TX
Compatible with
burning mouth