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These 6" long stainless steel shafts have a diameter of 3/16". These shafts are solid, which makes them an ideal choice for a…
These servo gears are made specifically to fit a Futaba 3F servo spline, allowing you to mate other gears to your servo. They…
These wheel adaptors allow you to adapt 17mm hex drive wheels to our .770” hub pattern. The recessed .770” pattern allows…
These hub-mountable aluminum gears are ideal for transmitting motion from a motor or servo to a wheel or shaft. These gears h…
These 9" long stainless steel shafts have a diameter of 1/8". These shafts are solid, which makes them an ideal choice for ax…
These pinion gears attach to a ¼” D-shaft or gear motor using a setscrew. They have 20 teeth with a gear pitch of 32P, an …
These clear precision disk wheels have an outer diameter of 5”, a width of 0.23”, and utilize the 0.77” hub pattern. Th…
These 10" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for …
These hub-mountable aluminum sprockets can be used to drive wheels or other sprockets with 0.25” chain. They have 32 teeth …
These heavy duty wheels have a diameter of 4” and a width of 1”. They have a hard inner plastic core and a smooth outer r…
These precision gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anyth…
The TB6612FNG motor driver can control up to two DC motors at a constant current of 1.2A (3.2A peak). Two input signals (IN1 …
These hub-mountable aluminum sprockets can be used to drive wheels or other sprockets with 0.25” chain. They have 40 teeth …
This quadrature encoder board is designed to hold two infrared reflectance sensors inside the hub of the 42x19mm wheel and me…
This motor driver board, originally designed by Dagu for their Rover 5 platform, is ideal for any small 4-wheel drive robotic…
These 90 degree hub mounts mate directly to [Actobotics](https://www.sparkfun.com/pages/Actobotics) channels in multiple posi…
These orange precision disk wheels have an outer diameter of 2”, a width of 0.23”, and utilize the 0.77” hub pattern. T…
These smooth (round) belts have a Durometer hardness of A70 and can withstand temperatures from -35 to 250 degrees F. Their e…
These 8" long stainless steel shafts have a diameter of 3/16". These shafts are solid, which makes them an ideal choice for a…
These 2" long stainless steel shafts have a diameter of 1/8". These shafts are solid, which makes them an ideal choice for ax…
Nanomuscle is a shape memory alloy based rotary actuator. Rotation up to 60 degrees in either direction. 2 pin version gives …
The Pololu Pushbutton Power Switch from Pololu is a compact, solid-state power switch controlled by a momentary pushbutton sw…
This custom-designed plastic wheel from Pololu has a silicone tire measuring 1.26" (32 mm) in diameter and is designed to fit…
This AMP Micro-MaTch connector fits the HUB-ee wheels and accessories. Snag a few if you're building a HUB-ee robot!
These hub mounts mate directly to [Actobotics](https://www.sparkfun.com/pages/Actobotics) channels in multiple positions and …
The Photopopper Photovore utilizes very small, high-efficiency motors in combination with elegant circuitry to make a very ac…
These 12" long stainless steel shafts have a diameter of 1/4". These shafts are solid, which makes them an ideal choice for a…
These servo gears are made specifically to fit a Hitec C1 servo spline, allowing you to mate other gears to your servo. They …
**Replacement:** None. We're not selling this controller anymore but check out the rest of our [motor controllers](https://ww…
These are different wheel combinations for the Tamiya twin gear box. All tire types press-fit directly onto the Tamiya axel w…
The 4x4 Driver Shield is designed to enable users to switch DC loads up to 5A at up to 30V with no heat-sinking. It is ideal …
These orange “skate” wheels have an outer diameter of 2.975”, an inner diameter of 0.87”, and a width of 0.94”. Whe…
Screw plates make it easy to create a strong joining point between our channel pieces. Te small screw plate is 0.784" square,…
These standard rotation 7:1 gear ratio channel gearbox kits incorporate threaded side mounts to easily attach a standard size…
These blue “skate” wheels have an outer diameter of 2.975”, an inner diameter of 0.87”, and a width of 0.94”. When …
**Replacement:** None. It's time for this product to step aside and make room in the catalog for even more cool stuff. This p…
This is our version of the [OpenServo](http://www.openservo.com) open-source servo controller board. It's meant to replace th…
Your computer science department in a box! From beginner's coding to advanced AI, bring CS learning to life.
These aluminum beams are great for making unique links and connections in your [Actobotics](https://www.sparkfun.com/pages/Ac…
Multi Stepper Click is a compact add-on board that contains a bipolar stepper motor driver.
The BrickPi by Dexter Industries is an add-on for the popular Raspberry Pi development board that lets you control Lego® …
These continuous rotation 7:1 gear ratio channel gearbox kits incorporate threaded side mounts to easily attach a standard si…
The surface mount plate make it easy to mount pillow blocks, hub mounts, or other [Actobotics](https://www.sparkfun.com/pages…
These 2.375" long stainless steel D-Shafts have a diameter of 1/4". The flat edge that runs the length of the shaft makes it …
This set includes a plastic plate with an 11x31 mm grid of 3 mm holes spaced 5 mm apart, which provides space for many mechan…
These aluminum channels are the building blocks to the [Actobotics](https://www.sparkfun.com/pages/Actobotics) line and funct…
