Data Sheet

ManualsBrandsHangzhou Tuya Information Technology ManualsElectronicsWIFI-BT module

1

2

3

4

5

6

7

8

9

Pin No.

Symbol

4 3V3

P

5 GND

P

6 A_2

I/O

7 A_3

I/O

8 Log_TX

P

9 A_4

I/O

10 A_11

I/O

11 Log_RX

I/O

12 A_12

I/O

13 A_17

I/O

14 GND

P

15 GND

P

16 EN

I/O

17 A_18

I/O

18 GND

P

Note:

P

indicates power supply pins, and

WBR1

7

I/O Type Function

P

Power supply pin (3.3 V)

P

Power supply reference ground pin

I/O

GPIOA_2, hardware PWM pin, which is

connected to pin 18 on the internal IC

I/O

GPIOA_3, hardware PWM pin, which is

connected to pin 19 on the internal IC

P

GPIOA_16, UART_Log_TXD, which is used

for printing the module internal

information

and can be configured as a common GPIO

I/O

GPIOA_4, hardware PWM pin, which is

connected to pin 20 on the internal IC

I/O

GPIOA_11, hardware PWM pin, which is

connected to pin 25 on the internal IC

I/O

GPIOA_15,

UART_Log_RXD, which is used

for printing the module internal information

and can be configured as a common GPIO

I/O

GPIOA_12, hardware PWM pin, which is

connected to pin 26 on the internal IC

I/O

GPIOA_17, hardware PWM pin, which is

conne

cted to pin 38 on the internal IC

P

Power supply reference ground pin

P

Power supply reference ground pin

I/O

Enable pin, which is active at a high level (The

pin has been pulled up and is externally

controllable.)

I/O

GPIOA_18, hardware PWM pin, which is

connected to pin 39 on the internal IC

P

Power supply reference ground pin

indicates power supply pins, and

I/O indicates input/output pins.

WBR1

-IPEX Datasheet

Power supply reference ground pin

GPIOA_2, hardware PWM pin, which is

connected to pin 18 on the internal IC

GPIOA_3, hardware PWM pin, which is

connected to pin 19 on the internal IC

GPIOA_16, UART_Log_TXD, which is used

information

and can be configured as a common GPIO

GPIOA_4, hardware PWM pin, which is

connected to pin 20 on the internal IC

GPIOA_11, hardware PWM pin, which is

connected to pin 25 on the internal IC

UART_Log_RXD, which is used

for printing the module internal information

and can be configured as a common GPIO

GPIOA_12, hardware PWM pin, which is

connected to pin 26 on the internal IC

GPIOA_17, hardware PWM pin, which is

cted to pin 38 on the internal IC

Power supply reference ground pin

Power supply reference ground pin

Enable pin, which is active at a high level (The

pin has been pulled up and is externally

GPIOA_18, hardware PWM pin, which is

connected to pin 39 on the internal IC

Power supply reference ground pin