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Electromechanical

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711 DC Toy / Hobby Motor - 130 Size
711 DC Toy / Hobby Motor - 130 Size
US$3.42
These are standard '130 size' DC hobby motors. They come with a wider operating range than most toy motors: from 4.5 to 9VDC instead of 1.5-4.5V. This range makes them perfect for controlling with an Adafruit Motor Shield, or with an Arduino where you are more likely to have 5 or 9V available than a high current 3V setting.
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918 Small Reduction Stepper Motor - 12VDC 48-Step 1/16 Gearing
918 Small Reduction Stepper Motor - 12VDC 48-Step 1/16 Gearing
US$8.67
This is a great first stepper motor, good for small projects and experimenting with steppers. This uni-polar motor has a built in mounting plate with two mounting holes. 
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1201 Vibrating Mini Motor Disc
1201 Vibrating Mini Motor Disc
US$3.42
Two wires are used to control/power the vibe. Simply provide power from a battery or microcontroller pin (red is positive, blue is negative) and it will buzz away. Works from 2V up to 5V, higher voltages result in more current draw but also a stronger vibration.
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1010 Colorful Square Tactile Button Switch Assortment - 15 pack
1010 Colorful Square Tactile Button Switch Assortment - 15 pack
US$11.46
These buttons are bigger than the 6mm ones we carry, and come in a pack of 15. Each button comes with a candy-colored square cap that snaps on. You get three of each color-- blue, grey, yellow, green, and red. The square plastic button tops affix easily to the tactile switch body.
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1009 Colorful Round Tactile Button Switch Assortment - 15 pack
1009 Colorful Round Tactile Button Switch Assortment - 15 pack
US$10.42
These buttons are bigger than the 6mm ones we carry, and come in a pack of 15. Each button comes with a candy-colored round cap that snaps on. You get three of each color-- blue, grey, yellow, green, and red. The round plastic button tops affix easily to the tactile switch body
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599 Thermal paper roll - 50' long, 2.25" wide
599 Thermal paper roll - 50' long, 2.25" wide
US$3.42
A mini roll of thermal paper, this fits very nicely into our mini thermal printer. 2.25" wide (about 57mm) and 50 feet long (15 meters). BPA-free. Perfect for use with our mini thermal printer!
Delivery within 2-3 weeks
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SPK-120, 2.50 inch Miniature Speaker 8Ω 13 Watt
US$2.72

This low-cost 2.50 inch speaker is ideal for hobbyists and schools. Miniature Speaker, 13 Watts @ 8 ohms.

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9 High-strength 'rare earth' magnet
9 High-strength 'rare earth' magnet
US$4.73
These things are super powerful. 1/2" diameter, 3/16" thick discs, south side is marked with a red line. Great for use with your SpokePOV Kit. If you have an aluminium frame, use tape/foamstickytape to attach it.
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241 USB game pad with accelerometer project pack
241 USB game pad with accelerometer project pack
US$78.75

Build a custom USB gamepad that has an accelerometer mouse inside! This project pack comes with: SNES controller, Teensy, Accelerometer, 5' mini-B USB cable, 8" of ribbon cable, 2 squares of foam tape. 

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324 Stepper motor - 200 steps/rev, 12V 350mA
324 Stepper motor - 200 steps/rev, 12V 350mA
US$24.50
A stepper motor to satisfy all your robotics needs! This 4-wire bipolar stepper has 1.8° per step for smooth motion and a nice holding torque. The motor was specified to have a max current of 350mA so that it could be driven easily with an Adafruit motor shield for Arduino (or other motor driver) and a wall adapter or lead-acid battery.
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412 Small push-pull solenoid
412 Small push-pull solenoid
US$19.17
This solenoid in particular is fairly small, with a 30mm long body and a 'captive' armature with a return spring. This means that when activated with up to 24VDC, the solenoid moves and then the voltage is removed it springs back to the original position, which is quite handy.
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99-KB-12GP Miniature Audio Transducer
99-KB-12GP Miniature Audio Transducer
US$1.11
Miniature audio transducer PC Mount 8mm x 12mm DC Res.: 45 Ohms Opt. Freq: 2500 Hz.
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RTL-11439 Button Kit Retail
RTL-11439 Button Kit Retail
US$20.93
This collection of common buttons and switches will ensure that you've got the right button for the job. There are 14 switches total of 5 different varieties that we use in projects every day here. Includes: 4 x Panel Mount Momentary Switch. 4 x Simple Pushbutton Switch. 2 x Omron Snap Action Switch. 2 x Round Rocker Switch. 2 x Mini Power Switch.
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996 Brass Liquid Solenoid Valve - 12V - 1/2 NPT
996 Brass Liquid Solenoid Valve - 12V - 1/2 NPT
US$38.50
Control the flow of fluid using the flow of electrons! This liquid valve would make a great addition to your robotic gardening, aquarium, or pool project. There are two 1/2" (Nominal NPT) outlets.
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DFR0008 Input Shield For Arduino
DFR0008 Input Shield For Arduino
US$23.73
The upgraded Arduino Input Shield includes a two axis mini joystick (with moment switch) as well as four colored push buttons(Red,Yellow,Blue,Green).
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