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7

Status Register Definition： Bit7-Bit0 bit reserved；

Temperature Format: Temperature highest bit (Bit15) is equal to 1 indicates a negative temperature, the

temperature highest bit (Bit15) is equal to 0 indicates a positive temperature; temperature in

addition to the most significant bit (Bit14 ~ Bit0) indicates the temperature sensor string value.

Temperature sensor value is a string of 10 times the actual humidity value;

Write Sensor: For users to write register (0x0F ~ 0x13); prohibit write other registers and status registers can

only be written separately.

Reader sample:

Function

Functi

on

Code

Start

addres

s

Frame data content

Read the

temperature and

humidity

0x03

0x00

Send：(SLA+W)+0x03+0x00+0x04

Return：0x03 +0 x04 + humidity + high + low temperature and

humidity high temperature low + CRC

Read the

temperature

0x03

0x02

Send：(SLA+W)+0x03+0x02+0x02

Return：0x03+0x02+High temperature + low temperature+ CRC

Read humidity

0x03

0x00

Send：(SLA+W)+0x03+0x00+0x02

Return：0x03+0x02+High humidity+ Low humidity + CRC

Reading Device

Information

0x03

0x08

Send：(SLA+W)+0x03+0x08+0x07

Return：0x03+0x07+Model (16) + version number (8) + ID

Aosong Guangzhou Electronics Co., Ltd.

Order Phone: 4006 305378

Enterprise QQ: 4006305378

www.aosong.com