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Servo - Generic High Torque (Standard Size)
Price: $23.38
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Availability: Stocked
Sparkfun Item #: ROB-11965 -

Here is a powerful, low-cost, reliable servo for all your mechatronic needs. This servo is able to take in 6 volts and deliver 83.47 oz-in. of maximum torque at 0.16 sec/60° This is a tough little servo with a standard 3 pin power and control cable, and all hardware listed below. Replaces:ROB-9064 Includes: 1x FS5106B High Torque Servo 1x Double Arm Horn 1x Circle Horn 1x Four Point Horn 1x Six Point Horn 2x 3x10mm Phillips Screw 4x 2x13mm Mounting Phillips Screw 4x Rubber Grommets 4x Brass...

Servo - Generic High Torque Continuous Rotation (Standard Size)
Price: $25.19
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Availability: Stocked
Sparkfun Item #: ROB-09347 -

Here, for all your mechatronic needs, is a simple, high quality continuous rotation servo motor. This servo is able to take in 6 volts and deliver 66.7 oz-in. of maximum torque at 70 r/min. A standard 3-pin power and control cable is attached and all hardware listed below is included. Includes: 1x SM-S4303R High Torque Continuous Rotation Servo 1x Mounting Screw 1x Four Point Horn 1x Six Point Horn 2x Double Arm Horn (1x Large, 1x Medium) 2x Circle Horn (1x Large, 1x Medium) 4x Rubber...

Servo - Generic Metal Gear (Micro Size)
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Price: $20.83
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Sparkfun Item #: ROB-14760 -

Here is a simple, low-cost, high quality servo for all your mechatronic needs. This servo is able to take in 6 volts and deliver 44.4 oz-in. of maximum torque at 0.18 sec/60° This is a small servo with a standard 3 pin power and control cable (red = power, brown = ground, and yellow = data), and all hardware listed below. Features: Voltage: 4.8-6.0 Volts Torque: 38.8/44.4 oz-in. (4.8/6.0V) Speed: 0.20/0.18 sec/60° (4.8/6.0V) Rotation: 160° Dual Ball Bearing Metal Gears* 28.8 x 13.8 x...

Servo - Hitec HS-422 (Standard Size)
Price: $42.77
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Availability: Stocked
Sparkfun Item #: ROB-11884 -

This is the classic Hitec HS-422 servo. This solid consumer grade servo is able to take in 6 volts and deliver 57 oz-in. of maximum torque at 0.16 sec/60°, this is a simple servo for any beginner project! This high quality servo is perfect for your mechatronic needs and if you are looking to get into robotics, this is where to start. The HS-422 servo comes standard with a 3-pin power and control cable and all hardware listed below. Includes: 1x HS-422 Servo 1x Circle Horn 1x Double Arm Horn 1x...

Servo - Hitec HS-425BB (Standard Size)
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Price: $47.56
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Sparkfun Item #: ROB-11883 -

This is the versatile Hitec HS-425BB servo. This little guy is able to take in 6 volts and deliver 57 oz-in. of maximum torque at 0.16sec/60°, this is a great servo even if you are on a budget! This high quality servo is perfect for your mechatronic needs and if you are looking to get into robotics, this is where to start. The HS-425BB servo comes standard with a 3-pin power and control cable and all hardware listed below. Includes: 1x HS-425BB Servo 1x Circle Horn 1x Double Arm Horn 1x Single...

Servo - Hitec HS-625MG (Standard Size)
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Price: $69.23
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Sparkfun Item #: ROB-11885 -

This powerful motor is the Hitec HS-625MG servo. This is one of the strongest metal gear servos that is available and at a great price. The HS-625MG is able to take in 6 volts and deliver 94 oz-in. of maximum torque at 0.15sec/60°, and those are numbers you can rely on! This high quality servo is perfect for your mechatronic needs and if you are looking to get into robotics, this is where to start. The HS-625MG servo comes standard with a 3-pin gold plated power and control cable and all...

Servo - Hitec HS-646WP (Standard Size)
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Price: $106.17
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Sparkfun Item #: ROB-11886 -

This unique motor is the Hitec HS-646WP servo. What separates this servo from the rest is that it is waterproof with a IP67 (Ingress Protection-67) rating! The HS-646WP is able to take in an impressive 7.4 volts and deliver 161.1 oz-in. of maximum torque at 0.17 sec/60°, and those are numbers you can rely on! This high quality servo is perfect for your mechatronic needs and if you are looking to get into robotics, this is where to start. The HS-646WP servo comes standard with a 3-pin gold...

Servo - Hitec HS-755HB (1/4 Scale)
Price: $90.17
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Availability: Stocked-NoBackOrder
Sparkfun Item #: ROB-12625 -

This powerhouse is the Hitec HS-755HB servo. Able to take in 6 volts and deliver an impressive 183 oz-in. of maximum torque at 0.23 sec/60°, this is a tough 1/4 scale servo and it won;t let you down when you need it! This high quality servo is perfect for your mechatronic needs and if you are looking to get into robotics, this is where to start. The HS-755HB servo comes standard with a 3-pin gold plated power and control cable and all hardware listed below. Includes: 1x HS-755HB Servo 1x...

Servo - Hitec HS-805BB (Giant Scale)
Price: $86.56
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Availability: Out of Stock
Sparkfun Item #: ROB-11881 -

This beast is the Hitec HS-805BB servo. Able to take in 6 volts and deliver an impressive 343 oz-in. of maximum torque at 0.14 sec/60°, this is a heavy duty servo and is not to be taken lightly! This high quality servo is perfect for your mechatronic needs and if you are looking to get into robotics, this is where to start. The HS-805BB servo comes standard with a 3-pin power and control cable, Y-harness, and all hardware listed below. Note: This servo can draw around 800mA, so keep that in...

Servo - Hitec HS-85MG (Micro Size)
Price: $64.89
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Availability: Out of Stock
Sparkfun Item #: ROB-11887 -

This is the epitome of the phrase "appearances can be deceiving," and trust us, with the Hitec HS-85MG that couldn't be more true. The HS-85MG is able to take in 6 volts and deliver 49 oz-in. of maximum torque at 0.14sec/60°, and this guy is only about the size of a bottle cap! This high quality servo is perfect for your mechatronic needs and if you are looking to get into robotics, this is where to start. The HS-85MG servo comes standard with a 3-pin power and control cable and all hardware...

Servo Extension Cable - Female to Male (Shrouded)
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Price: $5.00
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Sparkfun Item #: ROB-15808 -

This is a 12 inch servo extension cable that comes in handy when your servo is further away from the controller than the wire on the servo allows. The male connector on one end goes to controller, while the female connector mates with servo. Fits all Hitec, Futaba, JR, Multiplex, and Airtronics Z servos. Wire can also be used as a simple 0.1" jumper cable. Documents: Datasheet ...

Servo Gear - Hitec (20T; Metal)
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Price: $25.98
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Sparkfun Item #: ROB-12142 -

These servo gears are made specifically to fit a Hitec C1 servo spline, allowing you to mate other gears to your servo. They have 20 teeth with a gear pitch of 32P, an outer diameter of 0.688”, and utilize the C1 Hitec servo spline. 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...

Servo Shaft Attachment - Futaba Standard
Price: $13.84
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Availability: Out of Stock
Sparkfun Item #: ROB-12312 -

These servo shaft attachments are great when connected to your 3F Futaba servo spline and used in conjunction with a ServoBlock Kit. These aluminum servo shaft attachments have a length of 1”, an outer diameter of 0.5”, and an inner diameter of 0.3”. 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...

ServoBlock Kit - Hitec Standard (Hub Shaft)
Price: $46.78
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Availability: Out of Stock
Sparkfun Item #: ROB-12347 -

ServoBlocks increase a servo’s load-bearing capabilities by helping to isolate the lateral load from the servo spline and case. The extreme versatility of ServoBlocks allow users to create complex, extremely rigid, structures with ease using standard Hitec servos. The 1/2” aluminum hub shaft provides multiple mounting options using 6-32 screws. The robust 6061 T-6 aluminum framework acts as a servo exoskeleton, greatly enhancing the mechanical loads the servo can withstand. Our new .770” hub...

Set Screw Hub - 1/4" Bore
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Price: $9.97
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Sparkfun Item #: ROB-12488 -

Set screw hubs offer a cheap way to attach hub mount gears or wheels to a shaft. The hub offers 4 equally spaced 6-32 tapped holes utilizing the 0.77" hub pattern and is precision machined from 6061 T6 aluminum. The set-screw is 10-32 and uses a 3/32” hex key. This hub has a 1/4" bore. 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...

Shadow Chassis
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Price: $22.21
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Sparkfun Item #: ROB-13301 -

The Shadow Chassis is a marvelously durable and modular robot platform from RobotZone. The chassis plates and mounts are cut from ABS plastic and utilize the Actobotics 0.77" and 1.50" hub patterns for sensors, controllers, power, etc. Simply snap each panel together and you'll be able to attach your motors and favorite robotics controller. With the included "snap on” micro-controller mounts, you can attach an Arduino, Raspberry Pi, SparkFun RedBoard, or SparkFun RedBot Mainboard! This kit...

Shaft - Solid (Stainless; 5/16"D x 2"L)
Price: $2.17
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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 5"L)
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Price: $4.58
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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 Coupler - 1/4" to 4mm"
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Price: $9.97
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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"
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Price: $9.97
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Availability: Back Order
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
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Price: $9.97
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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 Spacer - 1/2"
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Price: $3.38
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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 - 5/8"
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Price: $3.38
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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”

Silicone Bumpers - 5x11mm (4 Pack)
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Price: $1.67
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Sparkfun Item #: COM-17736 -

Protect your board or project with this four pack of silicone bumpers! 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. Includes: 4x Silicone Bumpers

Silicone Bumpers - Large (10x16.5mm, 4 pack)
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Price: $1.87
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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.

Skate Wheel Adapter - Shaft Connection
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Price: $10.81
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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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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)
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Price: $33.25
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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)
Price: $49.92
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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: $24.92
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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
Price: $14.04
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Availability: Out of Stock
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)...

Smooth Belt - 1/8"D (12" ID)
Price: $9.58
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Availability: Out of Stock
Sparkfun Item #: ROB-12446 -

These smooth (round) belts have a Durometer hardness of A70 and can withstand temperatures from -35 to 250 degrees F. Their elastic nature allows them to apply tension on the pulleys when stretched and the rubber construction creates excellent grip characteristics between the pulley and belt. Smooth belts can be used in a variety of applications including follow focus systems, linear drives, 90 degree drives, XY tables, robot tracks, battery hold-downs, etc. Actobotics is a robotics building...

Smooth Belt - 1/8"D (7.0" ID)
Price: $4.78
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Availability: Out of Stock
Sparkfun Item #: ROB-12336 -

These smooth (round) belts have a Durometer hardness of A70 and can withstand temperatures from -35 to 250 degrees F. Their elastic nature allows them to apply tension on the pulleys when stretched and the rubber construction creates excellent grip characteristics between the pulley and belt. Smooth belts can be used in a variety of applications including follow focus systems, linear drives, 90 degree drives, XY tables, robot tracks, battery hold-downs, etc. Actobotics is a robotics building...

Solenoid - 12V (Latch / Lock)
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Price: $16.58
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Sparkfun Item #: ROB-15324 -

Does controlling door and cabinet access with the power of Electromagnetism interest you? Excellent! In effect, this latch / lock solenoid is an electronic lock. When powered with 12VDC source, the latch is pulled in, allowing movement. Without power, the latch is extended, blocking movement and your secret drawer is safe and secure. This Solenoid Latch comes with a mounting bracket which can be removed with two screws. Once removed the solenoid can be rotated 180 and remounted. Paired with a...

Solenoid - 36v
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Price: $31.58
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Sparkfun Item #: ROB-10391 -

Solenoids are a great way to induce linear motion for pushing, pulling or controlling switches and levers. According to the datasheet this solenoid is rated for 36V but they work like a charm at 12V. We've been controlling them with the Arduino Power Driver Shield, there's even some example code below. With a throw of 10mm these solenoids are great for all kinds of motion applications such as actuating door latches, automating percussion instruments or just poking people. At 12 volts these...

Solenoid - 5V (Small)
Price: $8.94
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Sparkfun Item #: ROB-11015 -

Solenoids are a great way to induce linear motion for pushing, pulling or controlling switches and levers. This smaller solenoid is designed to work directly with 5V which makes it a great match for embedded projects. It has a throw of about 4.5mm and 2 M2 mounting holes on the body. The wire lead is about 2" long and is terminated with a 2-pin JST PH connector. Note: The mounting holes on this solenoid are actually 1.6mm in diameter. This will allow you to tap for an M2 screw. Also, although...

SparkFun Ardumoto - Motor Driver Shield
Price: $43.39
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Sparkfun Item #: DEV-09815 -

"This is a motor shield for Arduino that will control two DC motors. Based on the L298 H-bridge, the SparkFun Ardumoto can drive up to 2 amps per channel. The board takes its power from the same Vin line as the Arduino board, includes blue and yellow LEDs to indicate active direction, and all driver lines are diode protected from back EMF. The new version of this shield allows for either 3.3 or 5v logic, a separate and more robust VIN connection, and the PWM input has moved to pin 3. Control...

SparkFun RedBot Buzzer
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Price: $9.20
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Sparkfun Item #: ROB-12567 -

This buzzer is an add-on for your RedBot that gives your robot the ability to make awesome beep-boop noises or alerts when something interesting (or terrible) happens. The buzzer works by making use of two I/O pins on a controller board to create different noises based on the different frequency of I/O toggling. If you are using this buzzer on a RedBot, simply plug it in to one of the many 3-pin I/O ports and get your robot to make some noise. The buzzer has a 3-pin header which connects...

Sparki Robot - the easy robot for everyone
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Price: $256.94
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DFRobot Item #: ROB0109 -

Sparki is an affordable, easy to use, and fun intro to programming, electronics, and robotics. It is geared towards kids elementary-age and above, educators looking for an easy intro to robotics, parents eager to find something affordable but educational and fun, DIY enthusiasts, and more. It is simple enough for beginners, while being feature-packed enough to be a must-have for pro-users. Sparki is your chance to have your very own robot, completely open source and available to do your...

Sprocket - Hub Mount (0.25", 32T; 0.5" Bore)
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Price: $11.92
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Sparkfun Item #: ROB-12240 -

These hub-mountable aluminum sprockets can be used to drive wheels or other sprockets with 0.25” chain. They have 32 teeth with a spacing of 0.25”, an outer diameter of 2.688”, a bore of 1/2”, and utilizes the 0.77” and 1.5" 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 connected together. The wide range...

Standard Gearmotor - 0.5 RPM (3-12V)
Price: $47.67
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Availability: Out of Stock
Sparkfun Item #: ROB-12348 -

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 3000:1 and operate up to 12 volts and deliver a stall torque of 2995 oz-in. and a max speed of 0.5 RPM. Each standard gearmotor sports a 6mm diameter D-shaft. Important: The manufacturer has issued a warning that stalling the motor can cause gear damage. Please keep this in mind for testing & using this motor....

Standard Gearmotor - 1 RPM (3-12V)
Price: $45.50
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Sparkfun Item #: ROB-12219 -

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 3000:1 and operate up to 12 volts and deliver a stall torque of 2995 oz-in. and a max speed of 1 RPM. Each standard gearmotor sports a 6mm diameter D-shaft. Important: The manufacturer has issued a warning that stalling the motor can cause gear damage. Please keep this in mind for testing & using this motor. Features:...

Standard Gearmotor - 10 RPM (3-12V)
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Price: $45.50
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Sparkfun Item #: ROB-12367 -

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 300:1 and operate up to 12 volts and deliver a stall torque of 368 oz-in. and a max speed of 10 RPM. Each standard gearmotor sports a 6mm diameter D-shaft. Important: The manufacturer has issued a warning that stalling the motor can cause gear damage. Please keep this in mind for testing & using this motor. Features:...

Standard Gearmotor - 2 RPM (3-12V)
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Price: $45.50
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Sparkfun Item #: ROB-12154 -

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 1500:1 and operate up to 12 volts and deliver a stall torque of 1497 oz-in. and a max speed of 2 RPM. Each standard gearmotor sports a 6mm diameter D-shaft. Important: The manufacturer has issued a warning that stalling the motor can cause gear damage. Please keep this in mind for testing & using this motor. Features:...

Standard Gearmotor - 30 RPM (3-12V)
Price: $45.50
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Sparkfun Item #: ROB-12532 -

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 100:1 and operate up to 12 volts and deliver a stall torque of 137 oz-in. and a max speed of 30 RPM. Each standard gearmotor sports a 6mm diameter D-shaft. Important: The manufacturer has issued a warning that stalling the motor can cause gear damage. Please keep this in mind for testing & using this motor. Features:...

Standard Gearmotor - 303 RPM (3-12V)
Price: $45.50
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Sparkfun Item #: ROB-12147 -

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 10:1 and operate up to 12 volts and deliver a stall torque of 16.8 oz-in. and a max speed of 303 RPM. Each standard gearmotor sports a 6mm diameter D-shaft. Important: The manufacturer has issued a warning that stalling the motor can cause gear damage. Please keep this in mind for testing & using this motor. Features:...

Standard Gearmotor - 4 RPM (3-12V)
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Price: $45.50
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Sparkfun Item #: ROB-12162 -

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 900:1 and operate up to 12 volts and deliver a stall torque of 992 oz-in. and a max speed of 4 RPM. Each standard gearmotor sports a 6mm diameter D-shaft. Features: Voltage: 3 - 12 Volts Gear Ratio: 900:1 Stall Torque: 992 oz-in. (@ 12V) Speed: 4 RPM (@ 12V) No Load Current: 160 mA (@ 12V) Stall Current: 0.5A (@...

Standard Gearmotor - 51 RPM (3-12V)
Price: $45.50
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Sparkfun Item #: ROB-12150 -

These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anything else that needs to turn. They have a gear ratio of 56:1 and operate up to 12 volts and deliver a stall torque of 77 oz-in. and a max speed of 51 RPM. Each standard gearmotor sports a 6mm diameter D-shaft. Important: The manufacturer has issued a warning that stalling the motor can cause gear damage. Please keep this in mind for testing & using this motor. Features:...