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Revision: August 1, 2012
Overview
The Digilent Line-Following Servo Robot Kit (SRK+Line) provides the perfect starting point for those
new to robotics, but has the power to be used for advanced designs and applications as well. The
SRK+Line pairs our powerful Cerebot™ MX3cK microcontroller development board with a rugged
steel platform and all the motors, wheels, sensors, and other parts needed to build a complete robot.
This document demonstrates a simple design that will get your SRK+Line up and running, using its
four IROS sensors to follow a dark line on a lightly colored surface. Using your SRK+Line's powerful
Cerebot MX3cK microcontroller, you'll be able to add all sorts of functionality to your robot. Add some
of our extensive line of peripheral modules (Pmods™) and you can design almost anything!
Your Cerebot MX3cK can be programmed with either Microchip MPLAB® IDE or chipKIT™ MPIDE.
Microchip MPLAB IDE can be downloaded for free from microchip.com. chipKIT MPIDE can be
downloaded for free from github.com/chipKIT32/chipKIT32-MAX/downloads.
The demo project used in this design can be downloaded from the Line Following Servo Robot Kit
product page at digilentinc.com. For more information on programming the Cerebot MX3cK with
MPLAB or MPIDE, see the Cerebot MX3cK Reference Manual, available from the Cerebot MX3cK
product page at digilentinc.com.
Included parts:
Cerebot MX3cK
•
PmodLS1 with Pmod clip
•
four IRROSC
•
bent bracket
•
one 6" 6-pin cable
•
4" Velcro Mounting Strip
•
standoffs for mounting MX3cK
•
battery holder (4xAA)
•
2" Velcro Strip
•
one two pin MTE battery cable
•
rugged Metal Platform with Holes on ½-inch Center
•
two continuous rotation GWS servos
•
two servo brackets
•
rugged plastic wheels and tail skid
•
two Pmod brackets
•
PmodCON3
•
PmodBTN
•
one 6" 6-pin cable
•
8/32 Machine Screws
•
8/32 Hex Machine Nuts
•
Doc: 516-003
Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
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1300 NE Henley Court, Suite 3
Pullman, WA 99163
(509) 334 6306 Voice | (509) 334 6300 Fax
page 1 of 11
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Summary of Contents for Digilent SRK+Line
- Page 1 • one 6” 6-pin cable • 8/32 Machine Screws • 8/32 Hex Machine Nuts • Doc: 516-003 page 1 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
-
Page 2: Functional Description
• pliers • Example Assembly 1. Attach the servo brackets to the main plate as shown. www.digilentinc.com page 2 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners. - Page 3 3. Add the standoffs to the robotic kit as shown below. Set four extra screws aside to mount the MX3cK in a later step. www.digilentinc.com page 3 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
- Page 4 4. Attach the two Pmod clips with the hardware included in the Pmod clip bags. 5. Peel off one side of the Velcro and stick it to the main plate. www.digilentinc.com page 4 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
- Page 5 Then, attach the wheels to the servos, and secure them using the small black screws that were removed in the previous step. www.digilentinc.com page 5 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
- Page 6 MX3cK and the standoffs do not line up, loosen the standoffs, and re- tighten them after the MX3cK is attached. www.digilentinc.com page 6 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
- Page 7 10. Connect the right servo to J4 and the left servo to J5 on the PmodCON3. The white cable must be connected to the pin labeled “SIG”. www.digilentinc.com page 7 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
- Page 8 ‘+’ pin (V) and that the black cable connects to the ‘-‘ pin (G). www.digilentinc.com page 8 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
- Page 9 14. Cut four ½-inch sections of Velcro from the other 4-inch strip. Attach these 1/2 –inch strips to each of the four IROS sensors. 15. Attach a third Pmod Clip for the PmodLS1. www.digilentinc.com page 9 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
- Page 10 S3, the sensor at mid right should be connected to S2, and the sensor at the far right should be connected to S1. www.digilentinc.com page 10 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
- Page 11 BTN2. The robot will start moving. To stop the robot, press BTN2 again. If the robot is moving in the opposite direction than expected, then check that step 10 above has been followed correctly. www.digilentinc.com page 11 of 11 Copyright Digilent, Inc. All rights reserved. Other product and company names mentioned may be trademarks of their respective owners.
- Page 12 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Digilent 250-045P...
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