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Hobby Motor and Encoder Kit
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Price: $36.83
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Sparkfun Item #: ROB-13260 -

This is the Hobby Motor and Encoder Kit from DAGU, an inexpensive and reliable set of add-ons for your next robotic project. Inside this kit are three pairs of items: wheels, gearmotors, and wheel encoders (including everything you need to hook them up). The Hobby Motor and Encoder Kit is perfect for providing beginners with a cheap and easy to use setup or if you just need a few extra parts. The off set gear motors included with this kit require a voltage of 3-6V with a no load current of...

Hobby Motor with Encoder - Metal Gear (DG01D-E)
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Price: $11.88
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Sparkfun Item #: ROB-16413 -

The DG01D-E is a single hobby motor with a hall speed encoder. This motor requires a voltage between 3-9V, has a gearbox ratio of 1:48 and a speed of 90RPM at 4.5V. The voltage between positive and negative is determined according to the power supply voltage of the single chip microcomputer used, generally 3.3V or 5V is used. The hall sensor can sense the North and South poles of its magnetic plate. When the hall sensor senses the South of the magnetic plate, the hall output will result in a...

Hub Adapter - 1.50" to 0.77"
Price: $10.62
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Sparkfun Item #: ROB-12199 -

This hub adapter lets you connect Actobotics parts with a 0.77" hub pattern to parts with a 1.5" hub pattern. The holes for the 1.5" pattern alternate between tapped and untapped, whereas the inner 0.77" hole pattern is all un-tapped. These adapters are ideal for mounting two different hub patterns: mating hubs to gears, sprockets, or wheels. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two...

Hub Mount - Quad (Mount C)
Price: $11.97
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Sparkfun Item #: ROB-12222 -

These quad hub mounts can attach to the end or the middle of Actobotics channels to provide you a 90 degree angle with additional attachment points for Actobotics project. Additionally these hub mounts can be coupled with precision gearmotors for additional mounting possibilities These hub mounts have a width of 1.32”, a thickness of 0.34”, a 0.50” bore, and utilize both the 0.77” and 1.5" hub patterns. Actobotics is a robotics building system based around extruded aluminum channels, gears,...

JetBot Chassis Kit V2
Price: $26.00
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Sparkfun Item #: ROB-17279 -

The JetBot Chassis Kit V2 is the official chassis used on the SparkFun JetBot AI Kit but can be used for many different robotics platforms. The chassis plates are made from 3.5mm thick ABS plastic milled with plenty of mounting points for sensors, servos, controllers, power and more. Assembly is simple; with just a few included screws needed for construction, you will have a reliable 2WD robotics chassis. A great economical option for desktop robots. The JetBot chassis kit comes with two...

Leopard Imaging Camera Mounting Hardware Kit
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Price: $1.87
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Sparkfun Item #: PRT-17599 -

This hardware kit consists of 4 each of M2 style nylon hex nuts and screws. It is designed for use with the Leopard Imaging Camera, but can be used for other mountings as well. This hardware set is identical to what is included in our JetBot kit options. Includes: 4x - M2 Nylon Hex Nut 4x - M2 Nylon Screw - slotted drive, 6mm ...

LG-NS Robot Gripper
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Price: $27.58
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DFRobot Item #: FIT0014 -

How can your robot rule the world with an iron fist if it doesn't have a hand? This LG-NS robot gripper makes a great addition to a small arm or mobile base. The gripper features injection molded components and can use two standard hobby servos (not included) for open and close and wrist rotate. The clamp open to 1.3" and the wrist rotates approximately 180 degrees. It needs only a screw driver for assembly. Notice Compatible servo: Hitec 422 servos |Specification| Max clamp width: 1.3" Size:...

Liquid Pump - 350GPH (12v)
Price: $26.02
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Sparkfun Item #: ROB-10455 -

Do you have some liquids that you need to move? This fluid pump will move 350 gallons per hour! The SEAFLO mini water pump has a heavy duty 12V, 1.5Amp motor and a tough thermoplastic body. It's totally submersible and water-cooled (but it won't burn out if run dry). Use this pump to make a fountain or waterfall, even water your plants! The 3/4" connection will accept a 19mm ID hose. It comes pre-terminated with heavy gauge unterminated 3ft long wire leads. Features: 12V operation 350 GPH 1.5A...

Mecanum Wheels - 65mm, LEGO Compatible (4 Pack)
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Price: $66.58
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Sparkfun Item #: ROB-15536 -

Mecanum wheels allow your robot to not only travel forward and backward, but also sideways! Nine rollers set on a 45° rotational axis parallel to the main rotational axis of the wheel enable a broad a range of movement. Rotating all four wheels in the same direction causes forward or backward movement, rotating the wheels on one side in an opposite direction to those on the other side causes the vehicle to rotate, and rotating the wheels on one diagonal in the opposite direction to those on...

Micro Gearmotor - 110 RPM (6-12V)
Price: $21.58
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Sparkfun Item #: ROB-12143 -

These micro gearmotors are incredibly tough and feature full metal gears. They have a gear ratio of 250:1 and operate up to 12 volts and have a stall torque of 60 oz-in. and a max speed of 110 RPM. Each micro gearmotor sports a 3mm D-shaft. Note: The micro gearmotor enclosures are sold separately, you can find them here. Features: Voltage: 6 - 12 Volts Gear Ratio: 250:1 Stall Torque: 32/60 oz-in. (6/12V) Speed: 55/110 RPM (6/12V) No Load Current: 30/70 mA (6/12V) Stall Current: 360/1600 mA...

Micro Gearmotor - 175 RPM (6-12V)
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Price: $21.58
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Sparkfun Item #: ROB-12205 -

These micro gearmotors are incredibly tough and feature full metal gears. They have a gear ratio of 150:1 and operate up to 12 volts and have a stall torque of 45 oz-in. and a max speed of 175 RPM. Each micro gearmotor sports a 3mm D-shaft. Note: The micro gearmotor enclosures are sold separately, you can find them here. Features: Voltage: 6 - 12 Volts Gear Ratio: 150:1 Stall Torque: 17/45 oz-in. (6/12V) Speed: 90/175 RPM (6/12V) No Load Current: 40/70 mA (6/12V) Stall Current: 360/1600 mA...

Micro Gearmotor - 2600 RPM (6-12V)
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Price: $21.58
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Sparkfun Item #: ROB-12518 -

These micro gearmotors are incredibly tough and feature full metal gears. They have a gear ratio of 10:1 and operate up to 12 volts and have a stall torque of 4 oz-in. and a max speed of 2600 RPM. Each micro gearmotor sports a 3mm D-shaft. Note: The micro gearmotor enclosures are sold separately, you can find them here. Features: Voltage: 6 - 12 Volts Gear Ratio: 10:1 Stall Torque: 2/4 oz-in. (6/12V) Speed: 1300/2600 RPM (6/12V) No Load Current: 40/120 mA (6/12V) Stall Current: 360/1600 mA...

Micro Gearmotor - 460 RPM (6-12V)
Price: $21.58
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Sparkfun Item #: ROB-12429 -

These micro gearmotors are incredibly tough and feature full metal gears. They have a gear ratio of 50:1 and operate up to 12 volts and have a stall torque of 20 oz-in. and a max speed of 460 RPM. Each micro gearmotor sports a 3mm D-shaft. Note: The micro gearmotor enclosures are sold separately, you can find them here. Features: Voltage: 6 - 12 Volts Gear Ratio: 50:1 Stall Torque: 7/20 oz-in. (6/12V) Speed: 240/460 RPM (6/12V) No Load Current: 40/100 mA (6/12V) Stall Current: 360/1600 mA...

Micro Gearmotor - 90 RPM (6-12V)
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Price: $21.58
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Sparkfun Item #: ROB-12285 -

These micro gearmotors are incredibly tough and feature full metal gears. They have a gear ratio of 298:1 and operate up to 12 volts and have a stall torque of 70 oz-in. and a max speed of 90 RPM. Each micro gearmotor sports a 3mm D-shaft. Note: The micro gearmotor enclosures are sold separately, you can find them here. Features: Voltage: 6 - 12 Volts Gear Ratio: 298:1 Stall Torque: 40/70 oz-in. (6/12V) Speed: 45/90 RPM (6/12V) No Load Current: 30/70 mA (6/12V) Stall Current: 360/1600 mA...

Micro Gearmotor - 900 RPM (6-12V)
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Price: $21.58
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Sparkfun Item #: ROB-12316 -

These micro gearmotors are incredibly tough and feature full metal gears. They have a gear ratio of 30:1 and operate up to 12 volts and have a stall torque of 9 oz-in. and a max speed of 900 RPM. Each micro gearmotor sports a 3mm D-shaft. Note: The micro gearmotor enclosures are sold separately, you can find them here. Features: Voltage: 6 - 12 Volts Gear Ratio: 30:1 Stall Torque: 4/9 oz-in. (6/12V) Speed: 450/900 RPM (6/12V) No Load Current: 40/120 mA (6/12V) Stall Current: 360/1600 mA...

Micro Gearmotor - Enclosure
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Price: $2.50
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Sparkfun Item #: ROB-12105 -

These enclosures allow you to mount your micro gearmotor to other Actobotics products easily. Once your gearmotor is inserted, you can take advantage of the 0.77” hole pattern. These enclosures have a length of 1.14”, a width of 1”, and a thickness of 0.50”. 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...

Micro Gripper Kit A - Straight Mount
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Price: $10.83
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Sparkfun Item #: ROB-13176 -

This is the Micro Gripper Kit A, a simple robotics kit that is great for "getting a grip" on smaller robotics projects! Designed for use with a servo, the gripper kit is easy to assemble and requires only a Phillips Head Screwdriver. This Micro Gripper is capable of opening 2.75" wide max, has an overall body length of 1.7" long with a 1.3" wide servo housing body, and offers three 6-32 mounting through-holes along the edges of the servo housing. Actobotics is a robotics building system based...

Micro Gripper Kit B - Hub Mount
Price: $11.28
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Sparkfun Item #: ROB-13177 -

This is the Micro Gripper Kit B, a simple robotics kit that is great for "getting a grip" on smaller robotics projects! Designed for use with any sub-micro size Hitec servo, the gripper kit is easy to assemble and requires only a Phillips Head Screwdriver. This Micro Gripper is capable of opening 2.75" wide max, has an overall body dimension of 2.6" long by 1.3" wide, and offers the 0.77" hub pattern for easy mounting on Actobotics components. Actobotics is a robotics building system based...

Micro-Speed Motor
Price: $3.14
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Elecrow Item #: EL-RPL13002S -

    The 5V, 83rpm Micro DC Geared Motor with Back Shaft is ideal for DIY enthusiasts. This motor are inexpensive, small, easy to install, and ideally suited for use in a mobile robot car. We recommend this L293 Motor shield to driver this motor. There is a wheel set in here. Specification Gear Ratio: 1:120 No-load speed(3V): 50RPM No-load speed(5V): 83RPM Torgue (3V): 0.8Kgcm Torque (5V): 1.0Kgcm Size: 69mm * 37mm * 23mm Weight:30g ...

Multi-Chassis - 4WD Kit (ATV)
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Price: $74.92
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Sparkfun Item #: ROB-12090 -

This is the Multi-Chassis ATV 4WD Kit, an easy to assemble and use robot chassis platform. The Multi-Chassis kit provides you with everything you need to give your robot a rugged four wheel drive platform with plenty of room for expansion to add various sensors and controllers. All you need to do is supply is a basic motor driver and power and you'll be ready to drive! This Multi-Chassis Basic 4WD Kit includes four 48:1 DC gearboxes that independently drive each of the 78mm high-profile...

Multi-Chassis - 4WD Kit (Basic)
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Price: $58.25
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Sparkfun Item #: ROB-12089 -

This is the Multi-Chassis Basic 4WD Kit, an easy to assemble and use robot chassis platform. The Multi-Chassis kit provides you with everything you need to give your robot a fast four wheel drive platform with plenty of room for expansion to add various sensors and controllers. All you need to do is supply is a basic motor driver and power and you'll be ready to drive! This Multi-Chassis Basic 4WD Kit includes four 48:1 DC gearboxes that independently drive each of the 65mm low-profile wheels....

N20 ABS Rubber Wheel 43x9mm (Pair)
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Price: $9.98
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DFRobot Item #: FIT0494 -

This custom-designed rubber wheel has a rubber tire with a diameter of 1.69" (43 mm). It is designed to fit the output shafts on our mini metal gear motors as well as the Solarbotics metal gear motors. Teeth on the hub optionally allow a reflectance sensor to be used for encoder feedback.Gear motors should be mounted onto the side of the hub with the protruding teeth. The output shaft will slide into the socket easily at first but will achieve a snug fit when pressed through to the other edge...

Nut - Metal (2-56)
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Price: $0.33
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Sparkfun Item #: PRT-08995 -

Description: These are standard nuts with 2-56 thread. For use with 2-56 machine screws and five button pad set listed below. Sold in single units.

Nut - Metal (4-40, 10 pack)
Price: $2.71
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Sparkfun Item #: PRT-10454 -

We could talk about how the Zinc used in these nuts is only from the finest old-growth Zinc trees from across the globe and is hand picked only at the peak of the season. Or how they are expertly hand-ground by a 6th generation master grinder. And how every nut passes a rigorous 19-point inspection process at each step of the process. And how each nut's dimensional variations can only be measured on the sub-atomic level. We could say all that, but it would be a lie. These are standard 4-40...

Pan/Tilt Bracket Kit (Multi Attachment)
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Price: $10.00
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Sparkfun Item #: ROB-10335 -

This pan/tilt bracket consists of two brackets and all the hardware you need to attach them to make a pan/tilt mechanism using two servo motors. We recommend our small servo motors listed below. Note: Servos are not included. The sub-micro servo size works for these mounts. Documents: Dimensional Drawing Assembly Guide Face Tracking Tutorial Videos ...

Pan/Tilt Bracket Kit (Single Attachment)
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Price: $11.58
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Sparkfun Item #: ROB-14391 -

This is an easy-to-assemble pan/tilt bracket kit that utilizes servos to move on two axes fit for camera and helping-hand applications. This particular bracket kit is the same one we use in our SparkFun Raspberry Pi Zero W Camera Kit to create a remote camera system for your home or workplace. Everything is included to get this kit assembled, even the servos (just be sure the servo motors are centered during assembly). All you will need is a small screwdriver set and a pair of clippers. Note:...

Panel Mount Nut - M12-0.75 (bag of 25)
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Price: $1.87
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Sparkfun Item #: PRT-13022 -

We understand that small part tend to get lost or damaged easily. These Panel Mount Nuts are handy replacement units that fit most of our panel mount parts. These parts include our toggle switch covers, laser modules, or anything else with an M12 diameter and 0.75mm thread. Each nut is made of a durable nickel-plated steel, with an M12 inner diameter, and a 0.75 mm/thread. These nuts come in packs of 25. Documents: Product Video ...

Parallel Gripper Kit A - Channel Mount
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Price: $27.30
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Sparkfun Item #: ROB-13178 -

This is the Parallel Gripper Kit A, a simple and durable robotics kit that is great for "getting a grip" on pretty much any robotics project! Designed for use with any standard size Hitec servo with a 24T spline, the gripper kit is easy to assemble and requires only a Phillips Head Screwdriver. This gripper is capable of opening, in a parallel motion, 2.8" wide max, has an overall body dimension of 5" long by 4.1" wide, and offers both 0.77" and 1.5" hub patterns for easy mounting on...

Planetary Gearmotor - 140RPM
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Price: $10.73
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Sparkfun Item #: ROB-15277 -

This is a simple ~140RPM (no load), DC planetary gearmotor. This motor is great for various applications such as robotics, electric locks, household automation, and small actuators. The supply voltage range is 6VDC - 24VDC with the polarity marker at the base of the motor. The planetary gear box, mounted on top of the motor housing, gives this motor a relatively large stall torque for its size. The overall body of the motor is made of metal, with the exception of the set of planet gears on the...

Pushbutton Power Switch LV
Price: $9.92
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Sparkfun Item #: ROB-08903 -

"The Pololu Pushbutton Power Switch from Pololu is a compact, solid-state power switch controlled by a momentary pushbutton switch. Because the switched current does not flow through the mechanical switch, a large variety of small, low-power switches can be used to control a substantial amount of power. The use of momentary pushbutton switches also allows multiple switches to be used in parallel to control the power to one load. The solid-state switch also allows the load to turn off its own...

Qwiic Fuel Gauge - MAX17048
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Price: $12.89
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Sparkfun Item #: SPX-17715 -

Based on the MAX17048, the Qwiic Fuel Gauge is perfect for monitoring your single-cell LiPo. While the MAX17048 provides pack voltage, it really shines with its Statement of Charge (SOC). 3.83V is ok to know, but knowing your battery is at 73% capacity is considerably better. This is not a 'take the LiPo voltage curve and hack it into little voltage pieces' type of IC. The MAX17048 has a sophisticated algorithm that constantly monitors the pack giving much more accurate readings than a simple...

RC 2.4G Wireless Air Mouse &; Keyboard
Price: $42.92
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DFRobot Item #: DFR0228 -

The RC Air Mouse and Keyboard uses the latest 2.4GHz wireless technology with a sampling frequency up to 120Hz. Use it like a Wii remote to control your mouse cursor on the screen. Operation is flexible and smooth and does no connection is lost during rapid movement.The RC Air Mouse and Keyboard can be used for a wide range of devices and drivers install automatically when you plug it in. With a wide transmission range of up to 30m, you can use this remote control your computer in style. Sit...

Robot Gripper - Extra Width
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Price: $33.62
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DFRobot Item #: FIT0300 -

This is a 2 DOF robot gripper that can be installed with 2 servos so as to control gripper opening and closing with one servo, and steering gear motion control (or rotation) with the other servo.Velocity range is 0 to 54 mm (0 to 2.13"). Total weight about 45 g. The servo slot fit most servos such as Hitec 422,475, DSS-P05 Standard Servo, DF Metal Geared 15Kg Standard Servo. |Specification| Clamp range:0-54mm (0-2.13") Size:105x100x30mm (4.13x3.94x1.18")|ShippingList| Robot Gripper-Extra Width...

Robotics Merit Badge Kit
Price: $85.04
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Sparkfun Item #: CUST-15010 -

Heads up! These kits are built to order and may experience extended lead times. If you are buying these as a troop and have a specific deadline, please reach out to our customer support team. Robots are fun, and the micro:bit is the perfect controller for learning how to build and program robots! Combining the micro:bit with the SparkFun moto:bit carrier board creates a flexible, low-cost, Qwiic-enabled robotics platform for robot enthusiasts young and old! With the Boy Scouts of America...

Robotics Shield Kit for Arduino - Parallax
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Price: $262.50
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Sparkfun Item #: ROB-11494 -

Make your Arduino the onboard brain of a mobile robot and learn robotics, electronics, and programming with this versatile kit and its accompanying step-by-step lessons. The Board of Education Shield plugs into your own Arduino (not included) and mounts on the popular Boe-Bot robot chassis. This kit includes everything you need (except for an Arduino) to get started learning about robotics! With this kit and your own Arduino module, you can follow the Robotics with the Board of Education...

Romeo BLE Quad - A STM32 Robot Controller with Quad DC Motor Driver/Encoder/BLE
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Price: $68.78
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DFRobot Item #: DFR0398 -

Romeo BLE Quad is an arduino compatible robot controller based on STM32 ARM chip. It inherits all features from the Bluno M3, including wireless programming support, wireless communication between iOS/Android apps and remote control. Beyond this it also includes a 4-way DC motor driver and encoder interfaces. You can implement a robot with PID closed-loop feedback control directly with our TT Geared Motor.As well as this the Romeo BLE Quad offers powerful performance thanks to the STM32 ARM...

Rover 5 Robot Platform
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Price: $121.55
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Sparkfun Item #: ROB-10336 -

If you're looking for a chassis base for your next robot, look no further than the Rover 5. The Rover 5 uses 4 independent motors, each with a hall-effect quadrature encoder and gearbox. The entire gearbox assembly can be rotated at 5 degree increments for different clearance configurations. You can even replace the tank treads with traditional wheels. This isn't a wimpy or flimsy robot base. Weighing in at over 2.5 pounds without batteries, this base is heavy duty and can drive over quite a...

Rover 5 Tank Chassis (2 motors)
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Price: $67.23
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DFRobot Item #: ROB0055 -

Rover 5 is a new breed of tracked robot chassis designed specifically for students and hobbyist. Unlike conventional tracked chassis&;rsquo;s the clearance can be adjusted by rotating the gearboxes in 5-degree increments. &;ldquo;Stretchy&;rdquo; rubber treads maintain tension as the clearance is raised.Inside of the chassis are 4 noise suppression coils at the bottom and a battery holder that accepts 6x AA batteries (not included). It is recommended to use NiMh batteries as they last longer...

Rover 5 Tank Chassis (4 motors with 4 Encoders)
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Price: $124.06
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DFRobot Item #: ROB0055-4M4E -

Rover 5 is a new breed of tracked robot chassis designed specifically for students and hobbyist. Unlike conventional tracked chassis’s the clearance can be adjusted by rotating the gearboxes in 5-degree increments. “Stretchy” rubber treads maintain tension as the clearance is raised.Inside of the chassis are 4 noise suppression coils at the bottom and a battery holder that accepts 6x AA batteries (not included). It is recommended to use NiMh batteries as they last longer and...

Rubber Wheel (Compatible with Servo &; Motor)
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Price: $8.10
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DFRobot Item #: FIT0336 -

This rubber wheel is used in our popular 4WD mobile platforms. It can be mounted directly onto micro gear motors, but also compatible with our most servos.|Specification| Outer Diameter: 80mm(3.15") Wheel Width:30 mm(1.18") Axle Pore Size: 5.8mm(diameter)×3.5mm?thickness? (0.23"x0.14") Axle depth:7.6mm(0.30")|ShippingList| Rubber Wheel(Compatible with Servo&Motor) x2 ...

Screw - Phillip Head (M3 x 12mm, 3 pack)
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Price: $1.58
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Sparkfun Item #: PRT-13227 -

These are Philips-head M3 screws. They are 12mm long and come in packs of three. This is the screw size that the MiP robotic Platform and its add-on boards uses. Check below for the associated hardware.

Screw - Phillips Head (1/2", 4-40, 10 pack)
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Price: $2.50
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Sparkfun Item #: PRT-10452 -

Standard Philips-head 4-40 screws. They are 1/2" long and come in packs of ten. This is the screw size we use in most of the holes for our breakout boards. Check below for other associated hardware.

Screw - Phillips Head (1/4", 4-40, 10 pack)
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Price: $2.50
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Sparkfun Item #: PRT-10453 -

There are your standard Philips-head 4-40 screws. They are 1/4" long and come in packs of ten. This is the screw size we use in most of the holes for our breakout boards. Check below for other associated hardware.

Screw - Phillips Head (3/4", 4-40, 10 pack)
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Price: $2.50
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Sparkfun Item #: PRT-10451 -

Standard Philips-head 4-40 screws. They are 3/4" long and come in packs of ten. This is the screw size we use in most of the holes for our breakout boards. Check below for other associated hardware.

Screw - Phillips Head (3/8", 2-56)
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Price: $0.33
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Sparkfun Item #: PRT-08993 -

These are standard screws with 2-56 thread and 3/8" long, recommended for the small button pad sets. Can be used with a 2-56 nut. Sold in single units.

Serial Fiber Modem
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Price: $54.06
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Sparkfun Item #: SPX-17508 -

The Serial Fiber Modem combines a CH340C USB-to-Serial bridge with a fiber receiver and emitter pair from Industrial Fiber Optics and it is the easiest way to start playing with fiber communication right out of the box. Simply insert a piece of fiber cable between the emitter and receiver, open a serial terminal at any baud rate up to 1Mbps, and watch your messages bounce back! Connect to another Serial Fiber Modem or use it in conjunction with our other Fiber Optics breakouts to create your...

Servo - Generic (Sub-Micro Size)
Price: $16.16
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Sparkfun Item #: ROB-09065 -

Here is a simple, low-cost, high quality servo for all your mechatronic needs. This servo is very similar in size and specifications to the Hitec HS-55. This little guy is able to take in 6 volts and deliver 20.8 oz-in. of maximum torque at 0.10 sec/60° This small servo comes with a standard 3 pin power and control cable, and all hardware listed below. Note: This servo is rated for 180° rotation, but in actuality it only hits ~160°. Includes: 1x Micro Size Servo 1x Single Arm Micro Horn 1x...

Servo - Generic Continuous Rotation (Micro Size)
Price: $21.57
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Sparkfun Item #: ROB-10189 -

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 30.6 oz-in. of maximum torque at 0.14 sec/60° A standard 3-pin power and control cable is attached and all hardware listed below is included. Includes: 1x SM-S3317S Full Rotation Servo 1x Single Arm Horn 1x Double Arm Horn 1x Four Point Horn 4x Rubber Grommets 4x 2x15mm Phillips Screw 4x Brass Eyelets Features: Voltage: 4.8-6.0 Volts Torque:...