27404 Parallax Inc, 27404 Datasheet - Page 176

• Manufacturer Part Number: 27404
• Description: COMPETITION RING FOR SUMOBOT
• Manufacturer: Parallax Inc

Specifications of 27404

• Accessory Type: Hobby and Education
• 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

that state while
pbSesnse
State diagrams can be visual aids for describing the different states in certain programs
along with the conditions the programs use to transition from one state to the next. For
example, PushbuttonLed.bs2 can be thought of as the instructions to make the SumoBot a
state machine implementation of Figure 4-9.
Example Program: PushbuttonLed.bs2
' Applied Robotics with the SumoBot - PushbuttonLed.bs2
' Simple finite state machine example.
' {$STAMP BS2}
' {$PBASIC 2.5}
pbSense
LedSpeaker PIN 5
LOW LedSpeaker
DO
LOOP
IF pbSense = 1 THEN
ELSE
ENDIF
PAUSE 100
√
√
DEBUG HOME, "State = Blink LED"
TOGGLE LedSpeaker
DEBUG HOME, "State = Led off", CLREOL
LOW LedSpeaker
Enter, save, and run PushbuttonLed.bs2
Monitor the LED and Debug Terminal as you press and hold and then release the
pushbutton on the SumoBot's breadboard. Do you agree that this program really
does implement the state machine diagram in Figure 4-9? Is it the only way the
figure can be implemented?
= 0.
PIN 6
pbSense
= 1, and the other that transitions to
LED off
when