28125 Parallax Inc, 28125 Datasheet - Page 147
28125
Manufacturer Part Number
28125
Description
TEXT ROBOTICS
Manufacturer
Parallax Inc
Datasheet
1.28125.pdf
(360 pages)
Specifications of 28125
Title
Robotics with the Boe-Bot
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Not applicable / Not applicable
- Current page: 147 of 360
- Download datasheet (5Mb)
Example – Time for English Distance
If you’re 140 miles away from your
destination, and you’re traveling 70 miles
per hour, it’s going to take 2 hours to get
there.
Perhaps when you got a little older, and learned division in school, you started watching
the road signs to see how far it was to the destination city. Next, you checked the
speedometer in your car. By dividing the speed into the distance, you got a pretty good
estimate of the time it would take to get there. You may not have been thinking in these
exact terms, but here is the equation you were using.
You can do the same exercise with the Boe-Bot, except you have control over how far
away the destination is. Here’s the equation you will use:
You will have to test the Boe-Bot speed. The easiest way to do this is to set the Boe-Bot
next to a ruler and make it travel forward for one second. By measuring how far your
Boe-Bot traveled, you will know your Boe-Bot’s speed. If your ruler has inches, your
answer will be in inches per second (in/s), if it has centimeters your answer will be in
centimeters per second (cm/s).
time
√
=
=
=
Enter, save, and run ForwardOneSecond.bs2.
time =
70
servo
140
2
hours
140
miles/hour
miles
run
miles
distance
speed
×
time
70
1
hour
miles
=
Boe
Boe
-
-
Bot
Bot
distance
speed
Example – Time for Metric Distance
If you’re 200 kilometers away from your
destination, and you’re traveling 100
kilometers per hour, it’s going to take 2
hours to get there.
time
=
=
=
100
200
2
hours
200
kilometers
km
kilometers
×
100
1
hour
/hour
km
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