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BlocklyProp Robotics with the ActivityBot (Legacy Version)

Curriculum

  • 1 Section
  • 47 Lessons
  • Lifetime
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  • BlocklyProp Robotics with the ActivityBot (Legacy Version)
    47
    • 1.1
      Build the ActivityBot
    • 1.2
      Hardware Check
    • 1.3
      Step 1 – Prepare External Encoders
    • 1.4
      Step 2 – Prepare Tires
    • 1.5
      Step 3 – Prepare Chassis
    • 1.6
      Step 4 – Prepare Servos
    • 1.7
      Step 5 – Mount Right Servo
    • 1.8
      Step 6 – Mount Left Servo
    • 1.9
      Step 7 – Mount Right Encoder
    • 1.10
      Step 8 – Mount Left Encoder
    • 1.11
      Step 9 – Mount Battery Pack
    • 1.12
      Step 10 – Mount Tail Wheel
    • 1.13
      Step 11 – Mount Drive Wheels
    • 1.14
      Step 12 – Mount the Activity Board
    • 1.15
      Electrical Connections
    • 1.16
      Software and Programming Check
    • 1.17
      Circuit Training
    • 1.18
      Power & Connect Circuits
    • 1.19
      Blink Lights
    • 1.20
      Make a Beep
    • 1.21
      Navigation Basics
    • 1.22
      Feedback 360° Servo Test
    • 1.23
      Feedback 360° Encoder Calibration
    • 1.24
      External Encoder Test
    • 1.25
      External Encoder Calibration
    • 1.26
      Driving Distances
    • 1.27
      Driving Speeds
    • 1.28
      Taking Turns
    • 1.29
      Acceleration and Speed Limits
    • 1.30
      Navigate with Touch
    • 1.31
      Build the Whisker Switches
    • 1.32
      Test the Whisker Switches
    • 1.33
      Whisker-Wheel Response
    • 1.34
      Roaming with Whiskers
    • 1.35
      Navigate with Ultrasound
    • 1.36
      Build and Test the Ping))) Sensor Circuit
    • 1.37
      Roaming with Ultrasound
    • 1.38
      Maintain Distance with Ultrasound
    • 1.39
      Navigate with Visible Light
    • 1.40
      Build the Light Sensor Circuits
    • 1.41
      Make the Measurements Useful
    • 1.42
      Roaming with Light Sensors
    • 1.43
      Navigate with Infrared Flashlights
    • 1.44
      Build the IR Sensor Circuits
    • 1.45
      Test the IR Sensor Circuits
    • 1.46
      Roaming with Infrared Flashlights
    • 1.47
      ActivityBot Troubleshooting

Step 5 – Mount Right Servo

Mounting the Right servo in the Chassis

For all ActivityBot robots, but read carefully. Directions are slightly different for robots with external encoders.

Parts needed for this step:

  • (1) Parallax mini combo wrench (#700-10025)
  • (1) Parallax screwdriver (#700-00004)
  • (2) #4-40 nylon core lock-nuts
  • (2) 3/8-inch pan-head steel screws
  • (1) Servo with horn removed; High Speed (#900-00025) or Feedback 360° (#900-00360)
  • prepared chassis

Lock-nuts have white Nylon inserts that make a tight grip on screws, so they don’t loosen easily with vibration. But, they take a little more force to install.

As you work, press the closed end of the little black wrench over each lock-nut to hold it in place while attaching the screws.

  • Position the right servo inside its chassis mounting hole so the spline is towards the middle of the robot and the servo cord is next to the grommet.

  • Find the two servo mounting holes that are closer to the outer edge of the chassis.
  • Using two 3/8 inch metal pan-head screws and two lock-nuts, attach the servo to the outer-edge mounting holes.

  • Tighten securely.

STOP! READ! 

  • If your ActivityBot Robot Kit has external encoders, go straight to Step 6 – Mount Left Servo.
  • If your ActivityBot Robot has Feedback 360° servos, keep going here.

Parts needed to complete:

  • (2) #4-40 Nylon core lock-nuts
  • (2) 3/8-inch pan-head steel screws
  • Use two more screws and lock-nuts to finish mounting the right servo — four screws in all — before going to Step 6.

 

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Step 4 – Prepare Servos
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Step 6 – Mount Left Servo
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