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Mechanical Parts in Clearance

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When your class is building more robots than you have remote controls for, it’s handy to have extra receivers so students can attach them while constructing their robots and not have to remove them right after running the robots. This option is a serious savings compared to buying more remote controls. Six-channel, 2.4 GHz receiver.

$160.00 $99.00

Get programmable control while keeping your robot looking clean and tidy.

The TETRIX® Autonomous Mounting Deck features precut holes to make it easy to mount an Arduino or Parallax Basic Stamp programmable controller to a TETRIX robot, as well as the TETRIX DC Motor Speed Controller.

The deck is sized to fit the TETRIX hole pattern spacing so it can be used on a variety of robot designs. Made from 1/8" black acrylic and measures 6.25" x 3.75". Includes screws, nuts, kep nuts, and acrylic spacers for mounting components.

$15.95 $10.95

Featuring fully proportional forward and reverse speed control, this servo enables precise movements of robot designs. Unlike other servos that have a limited range of motion, this servo rotates continuously in either direction – as needed for wheels. This high-quality servo is designed with a wide neutral dead band to eliminate the “creep” that occurs in many other continuous rotation servos. Dual ball bearings on the output shaft ensure long-lasting performance. Note: This servo does not have position feedback.


When you need double the power, this bracket does the trick. Use it to attach two motors side by side. Made of heavy-duty aluminum.

$7.95 $4.95

Used with the Frame Mounting Bracket, the Pivot Bracket creates strong, durable pivot joints while minimizing side load on the servo shaft. Compatible only with TETRIX® Quarter-Scale Servo Frame Mounting Bracket (39383); includes a 3 mm Bearing Pack.

$8.95 $4.95

Each bracket features a pivot bearing. Made of heavy-duty aluminum. Compatible only with TETRIX® Single Standard-Scale Servo Motor Brackets (39060).

$10.95 $4.95

When you don’t need the full speed of a servo and want to try something a little different for your robot, give these gearhead motors a spin. These motors have white plastic coverings and come in straight and 90-degree angle models. They rotate 360 degrees every 1.6 seconds. Gear Motor Mount sold separately (see below).

Options Available
From $5.25

Get geared up for robotics with these powerful gearhead motors. These can be used for robots, science fair projects, and any other application where a slow, powerful motor is needed.


  • 2 oz-ft torque
  • 12.5 volts
  • 2.6 amps

Options Available
From $29.96

High-quality gears for robotic applications. Shaft size provides friction fit on axle material. Shaft sizes range from 3/32" to 1/4". Gear diameters range from 0.313" to 2.063". Number of gear teeth range from 8 to 64.

$85.00 $39.00

High-quality sprocket chain for robotic applications. Fits Servo Sprockets and Plain Bore Sprockets. Use in conjunction with sprockets to provide power where you need it!

Chain can be taken apart at any joint and reassembled to any length! One foot of chain per package.

$9.50 $5.25