27403 Parallax Inc, 27403 Datasheet - Page 109

• Manufacturer Part Number: 27403
• Description: GUIDE APP ROBOTCS W/SUMOBOT V1.0
• Manufacturer: Parallax Inc

Specifications of 27403

• Accessory Type: Manual
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: SumoBot®
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

' {$STAMP BS2}
' {$PBASIC 2.5}
' -----[ I/O Definitions ]---------------------------------------------------
qtiPwrLeft
qtiSigLeft
qtiPwrRight
qtiSigRight
' -----[ Variables ]----------------------------------------------------------
qtiLeft
qtiRight
qtiThreshold
' -----[ Initialization ]-----------------------------------------------------
GOSUB Read_Line_Sensors
qtiThreshold = (qtiLeft + qtiRight) / 2
qtiThreshold = qtiThreshold / 4
DEBUG CLS, "Threshold = ",DEC qtiThreshold
DEBUG CR, CR, "FRONT QTI Sensors", CR,
' -----[ Main Routine ]-------------------------------------------------------
DO
GOSUB Read_Line_Sensors
DEBUG CRSRXY, 0, 5,
IF qtiLeft < qtiThreshold THEN
ELSE
ENDIF
DEBUG CRSRX, 8
IF qtiRight < qtiThreshold THEN
ELSE
DEBUG "White"
DEBUG "Black"
DEBUG "White"
DEC5 qtiLeft, CRSRX, 8,
DEC5 qtiRight, CR
"Left
"-----
PIN
PIN
PIN
PIN
VAR
VAR
VAR
10
9
7
8
Word
Word
Word
Right", CR,
-----", CR
' Target = BASIC Stamp 2
' Language = PBASIC 2.5
' Left QTI on/off pin
' Left QTI signal pin
' Right QTI on/off pin
' Right QTI signal pin
' Stores left QTI time
' Stores right QTI time
' Stores black/white threshold
' Get reflection values
' Calculate average
' Take 1/4 average
' Display threshold
' Display column headings
' DO...LOOP repeats indefinitely
' Get reflection values
' Display reflection values
' Indicate what left QTI sees
' Indicate what right QTI sees