Product Manual
TYWRD3S Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 6 V2.0.2
3
NC
I
Null pin, no internal connection
4
GPIO0
I/O
GPIO_0,which is connected to GPIO0 on
the IC
5
GPIO23
I/O
GPIO_23, a standard PWM interface,which is
connected to GPIO23 on the IC
6
GPIO24
I/O
GPIO_24, a standard PWM interface,which is
connected to GPIO24 on the IC
7
GPIO25
I/O
GPIO_25, a standard PWM interface,which is
connected to GPIO25 on the IC
8
3.3 V
P
Power supply pin
9
GND
P
Power supply reference ground pin
10
GPIO1
Output
GPIO_1,which is connected to GPIO1 on
the IC
11
GPIO2
Output
UART2_TXD (used to display the module
internal information),which is connected to
GPIO2on the IC
12
GPIO5
I/O
GPIO_5,which is connected to GPIO5 on
the IC
13
GPIO22
I/O
GPIO_22, a standard PWM interface,which is
connected to GPIO22 on the IC
14
GPIO3
I/O
GPIO_3, a standard PWM interface,which is
connected to GPIO3 on the IC
15
RX
I/O
UART_RX
(2),
which is connected to
GPIO27 on the IC
16
TX
Output
UART_TX
(2),
which is connected to
GPIO26 on the IC