Product Manual

HS01 Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 6 V2.0.0
2.2 Pin Definition
Table 1 describes the interface pins.
Table 1 HS01 interface pins
No.
Symbol
I/O Type
Function
1
A
I/O
RS485-A Interface
2
B
I/O
RS485-B Interface
3
GND
P
Power supply reference ground pin
4
5V
P
Power supply pin
Note: P indicates power-supply pins, I/O indicates input and output pins.
2.3 Test Pin Definition
Table 2 describes the test pins.
Table 2 HS01 test pins
No.
Symbol
I/O Type
Function
1
3.3V
P
Internal 3.3V Power pin for downloading and authorizing
2
GND
P
Internal GND pin
3
Rx
I/O
UART0_Rx，Used for authorization
4
Tx
I/O
UART0_Tx，Used for authorization
5
Log_Tx
I/O
Log Tx，Used for debugging to print the log information
6
Log_Rx
I/O
Log Rx，Used for debugging to print the log information
Note: Test pins cannot be used.