LabJack U3 User Manual

5.3.20 SHT1X
Requires U3 hardware version 1.21. Reads temperature and humidity from a Sensirion SHT1X
sensor (which is used by the EI-1050). For more informat ion, see the EI-1050 datasheet from
labjack.com, and the SHT1X datasheet from sensirion.com.
• StatusReg: Returns a read of the SHT1X status register.
• Temperature: Returns the raw binary temperature reading.
• Humidity: Returns the raw binary humidity reading.
• #CRC: Returns the CRC values from the sensor.
Command:
Byte
0 Checksum8
10xF8
20x02
30x39
4 Checksum16 (LSB)
5 Checksum16 (MSB)
6 DataPinNum (0-7)
7 ClockPinNum (0-7)
8 Reserved
9 Reserved
Response:
Byte
0 Checksum8
10xF8
20x05
30x39
4 Checksum16 (LSB)
5 Checksum16 (MSB)
6 Errorcode
70x00
8 StatusReg
9 StatusRegCRC
10-11 Temperature
12 TemperatureCRC
1 1
15
3- 4 Humidity
HumidityCRC
• Data/Clock -PinNum: Assigns which digital I/O line is used for each SPI line. Value
passed is 0-7 corresponding to FIO0-FIO7.
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LabJack U3 Specifications

General

Analog Outputs	2
Analog Output Resolution	10 bits
Digital I/O	20
Counter/Timers	2
Interface	USB
Operating Voltage	5 V
Manufacturer	LabJack Corporation
Analog Inputs	16
Analog Input Resolution	12-bit
Max Sample Rate	50 kHz