...
(EPIC) and a programming carrier board (hardware). The EPIC software
package has two executable files, one for DOS and another version of the soft-
ware for Windows.
It is the EPIC hardware and ... offers an enhanced and richer basic command
syntax than is available in the PicBasic compiler package. A few of the addition-
al commands that can be found in the Pro version al...
... wink.bas
The compiler reads the text file and compiles two additional files, an .asm
(assembly language) and a .hex (hexadecimal) file.
The
wink.asm file is the assembly language equivalent to the ... simple. To install, run the
install.bat file on the 3.5-in EPIC diskette. The install.bat file exe-
cutes the main self-extracting program that automatically creates a...
... microcontroller installed onto the board. If you have an ac
adapter for the EPIC programmer board, plug it into the board. If not, attach
two fresh 9-V batteries. Connect the “battery on” jumper to apply ... disconnect the printer, if one is connected, and attach
the EPIC programming board, using a 6-ft DB25 cable.
When you connect the EPIC programming board to the...
... command to communicate and output mes-
sages to the LCD display.
The PicBasic and PicBasic Pro compilers can send and receive serial
information at 300, 120 0, 2400, and 9600 Bd. Data are sent as ... breadboard area.
gram, with the exception that we are only using one LED this time. The fol-
lowing are a small PicBasic program and PicBasic Pro program to blink an
LED on...
... rules to guide the robot in task performance.
Behavior-based programs create an “artificial” behavior in the robot that caus-
es it to reflectively (automatically) perform the task required. Behaviors ... allow the robot
to travel and move around the house in a random manner. The idea is that
while traveling in a haphazard manner, it will eventually make its way
thr...
...
Building a Walter Tortoise
We can imitate most functions in Walter’s famous tortoise. My adaptation of
Walter’s tortoise is shown in Fig. 8.1. To fabricate the chassis, we need to do a
little metalwork. ... Remove the bearing from the output gear (see Fig. 8.10). The
bearing needs to be removed so that you can cut away the stop tab from the
gear. Use a hobby knif...
... also vary from one another and then are not as closely matched.
Once you have a pair of CdS cells to use, they need to be attached to the
robot. I soldered the CdS cells and capacitors to a ... first look at how the standard program functions.
Fudge Factor
The variable RV (range value) is the fudge factor. At the beginning of the pro-
gram the variable RV is ass...
... 9.9).
The second gearbox motor is secured to the other side in a similar manner.
Back wheels
The shaft diameter of the gearbox motor is a little too small to make a good
friction fit to the ... on the front and
back legs. In the F position, the front and back legs are moved backward
simultaneously, causing the robot to move forward. The walking cycle can...
...
Pressure is applied to bend the aluminum bar at a 90° angle. It’s best to apply
pressure at the base of the aluminum bar close to the vise. This will bend the
leg at a 90° angle, while keeping the ...
Mounting the servomotors
The back servomotors are attached to the aluminum body using plastic 6-32
machine screws and nuts. The reason I used plastic screw...
... less than the interface board containing 10 relays. The advantage of the
relay board is that the miniature power relays have enough current capacity
to directly control small dc motors and other ... servomotor (see Fig.
12. 2), the bracket becomes a modular component that may be attached to oth-
er brackets and components. The bracket allows the top and bottom compo-
nen...