28125 Parallax Inc, 28125 Datasheet - Page 139

• Manufacturer Part Number: 28125
• Description: TEXT ROBOTICS
• Manufacturer: Parallax Inc

Specifications of 28125

• Title: Robotics with the Boe-Bot
• Product: Microcontroller Accessories
• Lead Free Status / RoHS Status: Not applicable / Not applicable

the same amount of time, the
Here’s an example program that will make the Boe-Bot roll forward for about three
seconds.
Example Program: BoeBotForwardThreeSeconds.bs2
' Robotics with the Boe-Bot - BoeBotForwardThreeSeconds.bs2
' Make the Boe-Bot roll forward for three seconds.
' {$STAMP BS2}
' {$PBASIC 2.5}
DEBUG "Program Running!"
counter
FREQOUT 4, 2000, 3000
FOR counter = 1 TO 122
NEXT
END
How BoeBotForwardThreeSeconds.bs2 Works
From chapter 2, you already have lots of experience with the elements of this program: a
variable declaration, a
arguments, and
to the servos’ motions.
First a variable is declared that will be used in the
You should recognize this command; it generates a tone to signal the start of the program.
It will be used in all programs that run the servos.
PULSOUT 13, 850
PULSOUT 12, 650
PAUSE 20
√
√
Make sure power is connected to the BASIC Stamp and servos.
Enter, save, and run BoeBotForwardThreeSeconds.bs2.
counter VAR Word
FREQOUT 4, 2000, 3000
PAUSE
VAR
commands. Here’s a review of what each does and how it relates
FOR…NEXT
Word
EndValue
loop,
argument also controls the time the servo runs.
PULSOUT
FOR
' Signal program start/reset.
' Signal program start/reset.
' Run servos for 3 seconds.
commands with
...
NEXT
loop.
Pin
and
Duration