28123 Parallax Inc, 28123 Datasheet - Page 145

• Manufacturer Part Number: 28123
• Description: TEXT WHAT'S A MICROCONTROLLER
• Manufacturer: Parallax Inc
• Type: Programmingr

Specifications of 28123

• Style: Book
• Title: What's a Microcontroller?
• Contents: Whats a Microcontroller? Text
• Product: Microcontroller Accessories
• Core Processor: PIC16C57c
• Flash: 128 Bytes
• Operating Supply Voltage: 9 V
• Board Size: 31 mm x 16 mm
• Lead Free Status / RoHS Status: Not applicable / Not applicable

E2.
P1. There are many possible solutions; one is given below.
' What's a Microcontroller - Ch04Prj01Soln2__KillSwitch.bs2
' Send messages to the BASIC Stamp to control a servo using
' the Debug Terminal as long as kill switch is not being pressed.
' Contributed by: Professor Clark J. Radcliffe, Department
' of Mechanical Engineering, Michigan State University
' {$STAMP BS2}
' {$PBASIC 2.5}
counter VAR Word
pulses VAR Word
duration VAR Word
DO
LOOP
PAUSE 2000
IF (IN3 = 1) AND (IN4 = 0) THEN
ELSEIF (IN3 = 0) AND (IN4 = 1) THEN
ENDIF
FOR counter = 700 TO 800 STEP 4
NEXT
FOR counter = 800 TO 700 STEP 4
NEXT
DEBUG "Press Start switch to start machinery.
DEBUG CLS, "Enter number of pulses:", CR
DEBUGIN DEC pulses
DEBUG "Enter PULSOUT duration:", CR
DEBUGIN DEC duration
DEBUG "Servo is running...", CR
FOR counter = 1 TO pulses
NEXT
DEBUG "DONE"
PAUSE 2000
FOR pulses = 1 TO 10
NEXT
FOR pulses = 1 TO 10
NEXT
PULSOUT 14, duration
PAUSE 20
PULSOUT 14, counter
PAUSE 20
PULSOUT 14, counter
PAUSE 20
", CR ,CRSRUP