Quectel HCM111Z TE-B - Page 13

Bluetooth Module Series
HCM111Z_TE-B_User_Guide 12 / 22
Arduino interfaces
J0201,
J0202,
J0203,
J0204
Arduino standard interfaces
-
USB-to-UART
Interface
J0202
Connects to the UART interface
of HCM111Z via USB-to-UART
bridge U0301
RF antenna interface
J0205
RF SMA connector
-
Test Point
J0207
Tests the basic functions of the
module
-
ICs
U0101
LDO
Convert the voltage from +5 V
to +3.3 V
U0301
USB-to-UART Bridge
-
Bluetooth Module
U0201
The HCM111Z module
-
MIC
U0202
Microphone interface
RESET_N Button
SW0201
Resets the module
-
Power Indicator
D0201
Indicates the power supply
on/off status
-
Resistor
R0202
Tests the power consumption
-