28018 Parallax Inc, 28018 Datasheet - Page 4

• Manufacturer Part Number: 28018
• Description: MODULE SENSOR TEMP+HUMIDITY
• Manufacturer: Parallax Inc
• Series: Sensirion SHT11r

Specifications of 28018

• Output Type: Digital - 2-Wire
• Sensor Type: Humidity and Temperature
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

ioByte
ackBit
toDelay
timeOut
soT
tC
tF
soRH
rhLin
rhTrue
status
' -------------------------------------------------------------------------
' EEPROM Data
' -------------------------------------------------------------------------
' -------------------------------------------------------------------------
' Initialization
' -------------------------------------------------------------------------
Initialize:
' -------------------------------------------------------------------------
' Program Code
' -------------------------------------------------------------------------
Main:
Parallax, Inc. • Sensirion SHT11 Sensor Module (#28018) • 07/2003
4
GOSUB SHT_Connection_Reset
PAUSE 250
DEBUG CLS,
DO
GOSUB SHT_Measure_Temp
DEBUG CRSRXY, 0, 3,
GOSUB SHT_Measure_Humidity
DEBUG CRSRXY, 0, 7,
"SHT11 Sensor Demo", CR,
"-----------------", CR
"soT...... ", DEC soT, CR,
"tC....... ", DEC (tC / 10), ".", DEC1 tC, DegSym, " ", CR,
"tF....... ", DEC (tF / 10), ".", DEC1 tF, DegSym, " "
"soRH..... ", DEC soRH, CR,
VAR
VAR
VAR
VAR
VAR
VAR
VAR
VAR
VAR
VAR
VAR
Byte
Bit
Byte
Bit
Word
Word
Word
Word
Word
Word
Byte
' data from/to SHT11
' ack/nak from/to SHT11
' timeout delay timer
' timeout status
' temp counts from SHT11
' temp - Celcius
' temp - Fahrenheit
' humidity counts
' humidity; linearized
' humidity; compensated
' status byte
' reset device connection
' let DEBUG window open