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Shaft - Solid (Stainless; 5/16"D x 12"L)
Price: $9.38
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Availability: Out of Stock
Sparkfun Item #: ROB-12216 -

These 12" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for axles. These shafts have a Rockwell Hardness rating of 83B. Note: For a drive-shaft, check out d-shafts instead. Features: Length - 12” Diameter - 5/16”

Shaft - Solid (Stainless; 5/16"D x 2"L)
Price: $2.18
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Availability: Out of Stock
Sparkfun Item #: ROB-12126 -

These 2" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for axles. These shafts have a Rockwell Hardness rating of 83B. Note: For a drive-shaft, check out d-shafts instead. Features: Length - 2” Diameter - 5/16”

Shaft - Solid (Stainless; 5/16"D x 3"L)
Price: $2.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12369 -

These 3" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for axles. These shafts have a Rockwell Hardness rating of 83B. Note: For a drive-shaft, check out d-shafts instead. Features: Length - 3” Diameter - 5/16”

Shaft - Solid (Stainless; 5/16"D x 4"L)
Price: $3.78
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Availability: Out of Stock
Sparkfun Item #: ROB-12257 -

These 4" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for axles. These shafts have a Rockwell Hardness rating of 83B. Note: For a drive-shaft, check out d-shafts instead. Features: Length - 4” Diameter - 5/16”

Shaft - Solid (Stainless; 5/16"D x 5"L)
Price: $4.58
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Availability: Out of Stock
Sparkfun Item #: ROB-12484 -

These 5" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for axles. These shafts have a Rockwell Hardness rating of 83B. Note: For a drive-shaft, check out d-shafts instead. Features: Length - 5” Diameter - 5/16”

Shaft - Solid (Stainless; 5/16"D x 6"L)
Price: $5.38
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Availability: Out of Stock
Sparkfun Item #: ROB-12402 -

These 6" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for axles. These shafts have a Rockwell Hardness rating of 83B. Note: For a drive-shaft, check out d-shafts instead. Features: Length - 6” Diameter - 5/16”

Shaft - Solid (Stainless; 5/16"D x 7"L)
Price: $6.18
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Availability: Out of Stock
Sparkfun Item #: ROB-12474 -

These 7" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for axles. These shafts have a Rockwell Hardness rating of 83B. Note: For a drive-shaft, check out d-shafts instead. Features: Length - 7” Diameter - 5/16”

Shaft - Solid (Stainless; 5/16"D x 8"L)
Price: $6.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12185 -

These 8" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for axles. These shafts have a Rockwell Hardness rating of 83B. Note: For a drive-shaft, check out d-shafts instead. Features: Length - 8” Diameter - 5/16”

Shaft - Solid (Stainless; 5/16"D x 9"L)
Price: $7.78
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Availability: Out of Stock
Sparkfun Item #: ROB-12302 -

These 9" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for axles. These shafts have a Rockwell Hardness rating of 83B. Note: For a drive-shaft, check out d-shafts instead. Features: Length - 9” Diameter - 5/16”

Shaft Collar - Clamp (1/4", 2 Pack)
Price: $10.63
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Availability: Out of Stock
Sparkfun Item #: ROB-13161 -

These collars clamp to a ¼” shaft and feature a lip edge which helps eliminate friction when used with a ball bearing. Simply slide them on and tighten the 6-32 x 0.375” screw. These clamp collars have a bore of 0.25”, a width of 0.375”, and a thickness of 0.25”. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected...

Shaft Coupler - 1/4" to 1/4"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12251 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.42”, and couple 1/4” to 1/4” shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 1/4" to 1/8"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12244 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.42”, and couple 1/4” to 1/8” shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 1/4" to 3/16"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12127 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.42”, and couple 1/4” to 3/16” shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 1/4" to 3/8"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12477 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.60”, and couple 1/4” to 3/8” shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 1/4" to 3mm"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12412 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.42”, and couple 1/4” to 3mm shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 1/4" to 4mm"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12493 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.42”, and couple 1/4” to 4mm shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 1/4" to 5/16"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12496 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.50”, and couple 1/4” to 5/16"shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 1/4" to 5mm
OOD!
Price: $9.98
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Availability: Back Order
Sparkfun Item #: ROB-12325 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.42”, and couple 1/4” to 5mm shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 1/4" to 6mm
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12211 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.42”, and couple 1/4” to 6mm shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 1/8" to 1/8"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12136 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.42”, and couple 1/8” to 1/8" shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 3/16" to 3/16"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12436 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.42”, and couple 3/16” to 3/16" shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 3/8" to 3/8"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12457 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.60”, and couple 3/8” to 3/8" shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Coupler - 5/16" to 5/16"
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12275 -

These stainless steel shaft couplers allow you to couple two size shafts together. They can be used for connecting motor shafts to drive shafts, or two different-sized shafts. These shaft couplers have a length of 0.75”, a outer diameter of 0.50”, and couple 5/16” to 5/16" shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Shaft Spacer - 1"
Price: $3.38
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Availability: Out of Stock
Sparkfun Item #: ROB-12193 -

These plastic shaft spacers have an inner diameter of 1” and a thickness of 1/16”. These spacers are ideal for spacing out an area between a bearing and a shaft collar to reduce metal to metal contact. Features: ID - 1" Width - 1/16”

Shaft Spacer - 1/2"
Price: $3.38
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Availability: Out of Stock
Sparkfun Item #: ROB-12112 -

These plastic shaft spacers have an inner diameter of 1/2” and a thickness of 1/16”. These spacers are ideal for spacing out an area between a bearing and a shaft collar to reduce metal to metal contact. Features: ID - 1/2" Width - 1/16”

Shaft Spacer - 1/4"
Price: $3.38
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Availability: Out of Stock
Sparkfun Item #: ROB-12350 -

These plastic shaft spacers have an inner diameter of 1/4” and a thickness of 1/16”. These spacers are ideal for spacing out an area between a bearing and a shaft collar to reduce metal to metal contact. Features: ID - 1/4" Width - 1/16”

Shaft Spacer - 3/8"
Price: $3.38
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Availability: Out of Stock
Sparkfun Item #: ROB-12441 -

These plastic shaft spacers have an inner diameter of 3/8” and a thickness of 1/16”. These spacers are ideal for spacing out an area between a bearing and a shaft collar to reduce metal to metal contact. Features: ID - 3/8" Width - 1/16”

Shaft Spacer - 5/8"
OOD!
Price: $3.38
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Availability: Back Order
Sparkfun Item #: ROB-12269 -

These plastic shaft spacers have an inner diameter of 5/8” and a thickness of 1/16”. These spacers are ideal for spacing out an area between a bearing and a shaft collar to reduce metal to metal contact. Features: ID - 5/8" Width - 1/16”

Side Mount Bracket (pair)
Price: $5.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12252 -

These side mount brackets can function as mounts for endcaps for Actobotics channels. They have two untapped holes spaced 0.44" apart perpendicular to 6-32 tapped holes spaced 1.061" apart. These work well for perpendicular mounting of parts with the 1.5" hole pattern to parts with the 0.77" hole pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all...

Side Mount Bracket C
Price: $7.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12533 -

These side mount brackets can function as mounts for encaps for Actobotics channels. They have two 6-32 tapped holes spaced 0.544" apart perpendicular to untapped holes spaced 1.061" apart. These work well for perpendicular mounting of parts with the 1.5" hole pattern to parts with the 0.77" hole pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all...

Silicone Bumpers - Large (10x16.5mm, 4 pack)
OOD!
Price: $1.88
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Availability: Back Order
Sparkfun Item #: COM-10594 -

Rubber feet raise your PCB or project up off your desk. This helps prevent short circuiting from bits of scrap wire floating about or setting a project down on a conductive surface. They also prevent your enclosure or PCB from sliding around. They can also be used as feet for enclosures. These are self-adhesive and 16.5mm in diameter and about 10mm tall. They taper to roughly 12mm at the top. They come in a set of 4.

Single Channel - 45 Degree Angle
Price: $3.18
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Availability: Out of Stock
Sparkfun Item #: ROB-12138 -

These single channel 45 degree angle brackets mate directly to Actobotics channels and hub mounts and are useful as attachment points. They share the same 0.5" center hole and 0.77" and 1.5" mounting patterns as the channel. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components...

Single Channel - 90 Degree Angle
Price: $3.18
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Availability: Out of Stock
Sparkfun Item #: ROB-12175 -

These single channel 90 degree angle brackets mate directly to Actobotics channels and hub mounts and are useful as attachment points. They share the same 0.5" center hole and 0.77" and 1.5" mounting patterns as the channel. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components...

Single Channel - 90 Degree Angle (short)
Price: $3.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12287 -

These single channel 90 degree angle brackets mate directly to Actobotics channels and hub mounts and are useful as attachment points. They share the same 0.5" center hole and 0.77" and 1.5" mounting patterns as the channel. This bracket is short on one end, making it a perfect for use as a simple 90 degree mount. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all...

Single Channel - Flat Bracket
Price: $2.58
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Availability: Out of Stock
Sparkfun Item #: ROB-12246 -

These single channel brackets mate directly to Actobotics channels and hub mounts and are useful as attachment points. They share the same 0.5" center hole and 0.77" and 1.5" mounting patterns as the channel. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components makes building...

Skate Wheel - 2.975 (Blue)
Price: $5.18
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Availability: Out of Stock
Sparkfun Item #: ROB-12426 -

These blue “skate” wheels have an outer diameter of 2.975”, an inner diameter of 0.87”, and a width of 0.94”. When used in conjunction with the skate wheel adapters (check below), you can use them with Actobotics motors and shafts, or use them with standard skate bearings. Features: OD - 2.975” ID - 0.87” Width - 0.94” Documents: SketchUp Part Product Page (595618) ...

Skate Wheel - 2.975 (Gray)
Price: $5.18
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Availability: Out of Stock
Sparkfun Item #: ROB-12139 -

These gray “skate” wheels have an outer diameter of 2.975”, an inner diameter of 0.87”, and a width of 0.94”. When used in conjunction with the skate wheel adapters (check below), you can use them with Actobotics motors and shafts, or use them with standard skate bearings. Features: OD - 2.975” ID - 0.87” Width - 0.94” Documents: SketchUp Part Product Page (595616) ...

Skate Wheel - 2.975 (Orange)
Price: $5.18
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Availability: Out of Stock
Sparkfun Item #: ROB-12218 -

These orange “skate” wheels have an outer diameter of 2.975”, an inner diameter of 0.87”, and a width of 0.94”. When used in conjunction with the skate wheel adapters (check below), you can use them with Actobotics motors and shafts, or use them with standard skate bearings. Features: OD - 2.975” ID - 0.87” Width - 0.94” Documents: SketchUp Part Product Page (595620) ...

Skate Wheel - 4.90 (Blue)
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12556 -

These blue “skate” wheels have an outer diameter of 4.90”, an inner diameter of 0.87”, and a width of 0.94”. When used in conjunction with the skate wheel adapters (check below), you can use them with Actobotics motors and shafts, or use them with standard skate bearings. Features: OD - 4.90” ID - 0.87” Width - 0.94” Documents: SketchUp Part Product Page (595624) ...

Skate Wheel - 4.90 (Gray)
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12409 -

These gray “skate” wheels have an outer diameter of 4.90”, an inner diameter of 0.87”, and a width of 0.94”. When used in conjunction with the skate wheel adapters (check below), you can use them with Actobotics motors and shafts, or use them with standard skate bearings. Features: OD - 4.90” ID - 0.87” Width - 0.94” Documents: SketchUp Part Product Page (595622) ...

Skate Wheel - 4.90 (Orange)
Price: $9.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12280 -

These orange “skate” wheels have an outer diameter of 4.90”, an inner diameter of 0.87”, and a width of 0.94”. When used in conjunction with the skate wheel adapters (check below), you can use them with Actobotics motors and shafts, or use them with standard skate bearings. Features: OD - 4.90” ID - 0.87” Width - 0.94” Documents: SketchUp Part Product Page (595626) ...

Skate Wheel Adapter - Hub Connection
Price: $11.98
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Availability: Out of Stock
Sparkfun Item #: ROB-12534 -

These skate wheel adapters have a diameter of 1”, a width of 0.32”, and utilize the 0.77” hub pattern. These adapters allow you to attach the 2.975” or 4.90” skate wheels to almost any gear, pulley, or sprocket by connecting to any part utilizing the 0.77” hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively...

Skate Wheel Adapter - Shaft Connection
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Price: $10.81
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Availability: Stocked-NoBackOrder
Sparkfun Item #: ROB-12329 -

These skate wheel adaptors have a diameter of 1”, a width of 0.32”, and utilize the 0.77” hub pattern. These adaptors allow you to attach the 2.975” or 4.90” skate wheels to ¼” drive shafts. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components makes building complex...

Slide Pot - Motorized (10k Linear Taper)
Price: $45.05
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Availability: Stocked
Sparkfun Item #: COM-10976 -

These motorized sliders are very cool. Each is essentially a standard slide pot which is belt-driven by a small motor. The slide contains two separate 10k linear taper potentiometers so that you can use one as servo-feedback in order to read the position of the slider and use the other to control whatever your target is. There is also a touch sense line which is electrically connected directly to the metal slider tab so that you can interface the slider with capacitive touch circuitry....

Slip Ring - 12 Wire (2A)
OOD!
Price: $33.27
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Availability: Back Order
Sparkfun Item #: ROB-13065 -

This is a 12 wire slip ring, a remarkably simple electromechanical assembly that allows electronic signals to be passed through its rotating innards. Commonly, you'd find slip rings in wind turbines, radar antennae, or anything else that requires continuous 360° rotation while maintaining an electrical connection. This particular slip ring provides you with a compact body with gold-on-gold alloy fiber brush to plated ring contacts inside. Each Slip ring is capable of handling a continuous...

Slip Ring - 3 Wire (10A)
OOD!
Price: $49.95
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Availability: Back Order
Sparkfun Item #: ROB-13063 -

This is a 3 wire slip ring, a remarkably simple electromechanical assembly that allows for electronic signals and power to be passed through its rotating innards. Commonly, you'd find slip rings in wind turbines, radar antennae, or anything else that requires continuous 360° rotation while maintaining an electrical connection. This particular slip ring provides you with a compact body with precious metal alloy fiber brush to silver plated ring contacts inside. We like using these slip rings to...

Slip Ring - 6 Wire (2A)
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Price: $24.93
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Availability: Back Order
Sparkfun Item #: ROB-13064 -

This is a 6 wire slip ring, a remarkably simple electromechanical assembly that allows electronic signals to be passed through its rotating innards. Commonly, you'd find slip rings in wind turbines, radar antennae, or anything else that requires continuous 360° rotation while maintaining an electrical connection. This particular slip ring provides you with a compact body with gold-on-gold alloy fiber brush to plated ring contacts inside. Each Slip ring is capable of handling a continuous...

Small Stepper Motor
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Price: $14.05
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Availability: Back Order
Sparkfun Item #: ROB-10551 -

These small steppers are a great way to get things moving, especially when positioning and repeatability is a concern. When using a current limiting driver such as the Easydriver or Big Easydriver, a 12 volt power supply can be used as long as you adjust the current level to 400mA or less. If using a non current limited driver (like a L293D or an H-bridge) you will need to lower your input voltage to keep the motor current below 400mA. This is a Bipolar motor. Features: Stride Angle (degrees)...