The Unofficial Guide to LEGO® MINDSTORMS™ Robots doc
Tài liệu The Unofficial Guide to Making Money on Ebay doc
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INTRODUCTION
One of the differences between this book and many of the
other eBay how -to books out there is that I still sell on eBay
every day! I can’t stop. I am addicted to making money on eBay.
I ... shipping
one item from one seller to one buyer. This is typically the way
things are sold on eBay. At The Queen of Auctions (my store on
eBay) , about 7...
lego mindstorms the unofficial guide to robots jonathan b knudsen pdf
... standard motor. The < /b> micro motor is hard to < /b> find and not
iii
The < /b> Unofficial < /b> Guide < /b> to < /b> LEGO< /b> MINDSTORMS< /b> Robots < /b>
Jonathan < /b> B. Knudsen
O’REILLY
Beijing • Cambridge • ...
Being mobile multiplies the < /b> number of situations your robot needs to < /b> be able to < /b> handle.
25
Finish...
The Unofficial Guide to LEGO® MINDSTORMS™ Robots doc
... harder to find than the other motors.
geared motor
Two of these motors come with the MINDSTORMS RIS kit
p
Figure 2-14.
otor The geared m
iv
The Unofficial Guide to LEGO® MINDSTORMS™ Robots ...
Fr=
8
τ
The radius of the 24t gear is exactly three times the radius of the 8t gear. The force is the
me where the teeth of the two gears meet. Ther...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 1 ppt
...
LEGO PRIMO™ 3 months to 24 months
LEGO DUPLO™ 18 months to 6 years
LEGO SYSTEM™ 3 years to 12 years
LEGO TECHNIC™ 7 years to 16 years
LEGO MINDSTORMS 11 years and older
The ... expensive, too.
8
Meet the RCX
The RCX is a robot brain in the form of a bulky LEGO brick. Figure 1 2 shows a photograph of the top of the RCX.
Figure 1- 1 .
B...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 2 pot
... spacing. Figure 2- 4 shows the bushings.
16
Figure 2- 3 .
Gears
Figure 2- 4 .
Full and half-size bushings
Finally, the term wire brick refers to the part shown in Figure 2- 5 . This piece ... of LEGO bricks.
sh
D
h two wheels are
a top view of su
21
Place the wire bricks on the motors, then anchor them down with the yellow plates.
The wi...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 3 pps
... harder to find than the other motors.
geared motor
Two of these motors come with the MINDSTORMS RIS kit
p
Figure 2-1 4.
otor The geared m
48
The Light Sensor
Working with the light ... motion from the motors to
the drive axles of the treads, as shown in Figure 2-1 3.
Figure 2-1 3.
EGO offers an impressive array of gears. The LEGO commu...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 4 ppt
... Whenever either sensor sees light or dark, the
value of the other is examined. Based on the values of the two sensors, the motors are set according to Table 3-1 .
Adding a second light sensor to Trusty ... both co
e
The usual way to develop software for a chip like the Hitachi H8 would be to use a cross
c
on your PC and use the cross-compiler to create H8 machi...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 6 potx
... attach the left motor, which powers the arm, to output A. Then use a wire brick to attach the right motor (the drive motor)
to ou
ng
tput C.
96
90
Grabber Arm
In Step 17, the half-bushings ...
Wait(TURNAROUND_TIME);
. All they
o is run the arm motor in one direction until the limit sensor is pressed. Running the motor forward causes the arm to descen...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 7 pps
...
BUTTON_INIT
: waitForViewButton BEGIN RCX_BUTTON DUP BUTTON_GET @ 2 AND UNTIL ;
In
cu
RCX_BUTTON
nt state of the buttons into the RCX_BUTTON variable. Then t
ared to 2, which corresponds to ... stack when
they're done.
ilt-in words
Forth the dictionary. DUP, for example, duplicates the top element of the
stack ee how this works:
77 77 ok
able 6-2 lists som...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 8 ppt
... examines some other values in the system and sets the
The PAUSE word is the key to cooperative multitasking-it passes control to the next task in the list.
with MOTOR_TASK, we need another special ... pushing the current
nning total on to the stack. To begin with, the total is zero:
hen we just run in a loop from 0 to the constant value NUMBER_OF_SAMPLES. E...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 10 pps
...
either the ped into an obstacle, not the other robot. In the
origi Ro a contained no obstacles, so it was safe to assume that the other robot didn't
"hear" the tag message. The ... charge and then sends its commands to the
b
The r viors, shown in Figure 9-3 . The basic cruise behavior is the same
be ides with the other robot, the bumper is p...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 11 potx
... four buttons. Use the following macros to interpret the
state button
BUTTON_ONOFF, BUTTON_RUN, BUTTON_VIEW, and BUTTON_PROGRAM.
For e of the View button:
ate(), BUTTON_VIEW)) {
To te result ...
198
The rotation sensor code does not work in the March 30, 1999 build of legOS 0.1.7
irect-button.h)
nitions to describe the state of the front panel buttons:
dicat...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 12 pdf
... soldered to the screws into the holes in the top of the brick. Now turn the screws into the brick—
they should thread nicely into the holes.
5. Now you're ready to mount your sensor in the ... for the leads of the photoresistor. Then the leads were threaded through to
the inside of the brick and soldered to the wires that were already there. These w...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 13 potx
... $19.99 $19.75 -
Electric plates 5037 N779886 - $6.75 $6.00
Wire brick, 128 cm 5111 - - $4.50 -
Wire brick set - N779897 - - $12.50
Large turntables - N779876 - - $9.75
Other Suppliers ... spare parts.
Parts
Table A-2 lists the parts you may wish to buy along with their prices at the three sources shown in Table A-1. This informa...
LEGO MINDSTORMS - The Unofficial Guide to Robots - Jonathan B. Knudsen Part 14 potx
... life into potentially dry subjects.
The image on the cover of The Unofficial Guide to LEGO MINDSTORMS Robots is a mechanical toy rabbit or automaton,
an automated machine. Biological automata, ... life and humanity and the many
implications of creating lifelike toys.
Nicole Arigo was the production editor and proofreader for The Unofficial Guide to LEGO MI...