User Manual

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2. Pin diagram of 4/6-pin connector:
3. Pin definition and related function description:
Pin No. Definition Description Remark
J1-1 TX RF Transmitter Enable 3.3V, high level
J1-2 DVDD-5V0 USB Power Supply
USB Power supply, DC 5V
+/-0.5V
J1-3 UDM Data-
J1-4 UDP Data+
J1-5 GND GND
J1-6 WPS WPS Buttoninput port 3.3V, low level
J2-1 DVDD-5V0 USB Power Supply
USB Power supply, DC 5V
+/-0.5V
J2-2 UDM Data -
J2-3 UDP Data +
J2-4 GND GND
Careful consideration must be paid when selecting pull -up ( or down ) resistors.
J1-1(TX) has a embedded pull-up resistor, and it can be connected directly, 3.3V high level.