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ConstructionTwo

Flockbot Construction Guide

This page continues with the construction, adding on the Arduino Mega

Continued in Construction Three (Power Circuit)

Arduino Mega Construction

The first step of the Arduino Mega attachment is to lay out following items (shown in the image):

  • Arduino Mega 2560
  • One #4-40 1 3/4" (Arduino) Screw
  • One #4 SPCR 1 1/4" (Arduino) White Spacer
  • One #4-40 Hex Nut (Arduino)
  • One #4 Washer (Arduino) (Same box as the Spacers)

At this point, you should have the parts laid out as depicted in the image to the right. (Washer not pictured)


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The second step is to attach the Mega to the top plate as shown.

  • With the Flockbot facing away from you and the Ethernet port of the Mega facing to the left...
    • Place the screw through the lower-left hole of the Arduino.
    • Place the screw through the spacer.
    • Put the washer between the spacer and the upper plate and run the screw through it.
      • The purpose of this washer is to add 1/8" to the screw to even out the Mega.
    • Attach the screw through the upper plate and secure with the nut.
  • Make sure to screw it in tightly. It will hold position with just one screw.

Your space should look like the image on the right.


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Arduino Mega Sensor Shield Attachment

The first step of the Arduino Mega Sensor Shield attachment is to lay out following items (shown in the image):

  • Sensor Shield
  • One #4 SPCR 1 1/4" (Arduino) White Spacer
  • One #4 SPCR 1" (Arduino) White Spacer
  • One #4 1/4" Spacer (Rasp Pi) White Spacer
  • Two #4-40 2 1/4" (Arduino) Screws
  • Two #4-40 Hex Nut (Arduino)
  • One #4 Washer (Arduino) (Same box as the Spacers)

At this point, you should have the parts laid out as depicted in the image to the right. (Washer not pictured)


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The second step is to attach the Mega to the top plate as shown. Again, with the Flockbot facing away from you.

  • Align and attach the Sensor Shield to the Arduino Mega
    • This will take a lot of even pressure and patience. There are a lot of pins.
    • Be careful to do this evenly to avoid any bent pins.
  • Attach the lower-right screw through the hole.
    • Run the screw through the 1 1/4" riser.
    • Put the washer between the spacer and the upper plate and run the screw through it.
      • The purpose of this washer is to add 1/8" to the screw to even out the Mega.
    • Run the screw through the Upper Plate and secure it with a nut.
  • Place the small 1/4" spacer under the remaining hole in the Raspberry Pi
  • Attach the upper-right screw through the hole.
    • Feed the screw through the 1" riser, which will fit in the space between the Mega and the Raspberry Pi.
    • At this point, continue feeding the screw through the Raspberry Pi and the 1/4" spacer between the Pi and the upper plate.
    • Secure with the remaining nut.

Your space should look like the image on the right.


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The same image from the side shows the two washers between the spacers and the upper plate.


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Flockbot Wheel Servo and Wheel Watcher Attachment

The first step of the Wheel Watcher attachment is to lay out following items (shown in the image):

  • Two HD Wheel Servo
  • Two WW-11 (Rev A) Boards
  • Two Wheels (with 4 Rubber Bands)
  • Two Black Servo Screws (In HD Wheel Servo Box)
  • Two WW-11 Stickers
  • Eight #4-40 Flat 7/8" Screws (Wheel)
  • Four #4-40 Hex Nut
  • Eight #4 1/4" Spacer (Rasp Pi)
  • Sixteen #4 1/16 Spacer (Wheel)

At this point, you should have the parts laid out as depicted in the image to the right. (Washer not pictured)


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Now, you will be performing the following steps once for each side of the flockbot:

The second step is to attach the first HD Servo to the servo flange.

  • Insert the Servo into the Flange as shown, with the servo wire facing the Front of the Flockbot
    • Ensure the servo wire is coming out towards the front of the robot (Gripper side)
  • Place the WW-11 over the servo as shown.
    • Use the provided WW Alignment Tool (plastic disk) to align the WW-11 with the Servo
  • Attach the WW-11 as follows (May be adjusted to perform the build easier):
    • Insert the #4-40 Flat 7/8" Screw through the four holes of the WW-11
    • Between the WW-11 and the Servo needs to go:
      • One #4 1/4" Spacer (Rasp Pi)
      • Two #4 1/6" Spacer (Wheel)
    • When inserted properly, the spacers should take up all of the room between the WW-11 and the Servo.
      • This will ensure a properly tightened screw.
    • Now, attach the #4-40 Hex Nut to the back side of the servo to complete the mount.

Your space should look like the images on the right.


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Now, perform the wheel construction:

  • First, apply the stickers to the inside of the wheels.
  • Second, attach the wheel on to the servos with the Black Servo screws.

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Continued in Construction Three (Power Circuit)

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Page last modified on March 04, 2016, at 12:02 PM