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DFR0332 Fan Module
US$6.25
Make an air aerial propeller vessel, a cooling system, or spinning machine with this small fan module. It comes with a propeller, a 15,000 rpm motor and cable. Add flavor to your own interesting projects with this module.
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COM-13247 Magnetic Door Switch Set
US$5.53
Dimensions: 34 × 41 × 6.5 mm. Includes: 1x Magnetic Door Switch Set. 4x Phillips Mounting Screw. Features: Max Voltage: ≤100VDC. Max Current: ≤500mA. Max Rating: ≤10W. Gap: 20±5mm. Contact Mode: NO/NC.
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2676-POLOLU 25D mm Metal Gearmotor Bracket Pair
US$10.43
These aluminum gearmotor brackets let you securely mount Pololu’s 25D mm metal gearmotors to your project. 
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COM-13253 Rotary Switch - 10 Position, single pole
US$3.47
This is a single pole, 10 position rotary switch able to select up to 10 different states in a durable package. Unlike our other rotary switch, this model is much more robust and capable of handling larger currents and voltages.
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2275-POLOLU 75:1 130RPM Metal Gearmotor 25Dx54L mm HP with 48 CPR Encoder
US$51.73
This cylindrical, 2.62" x 0.98" x 0.98" gearmotor uses a brushed DC motor with extra-strong magnets and a 74.83:1 metal gearbox to deliver a lot of power in a relatively small package.
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SSW-130-L DPDT ON-ON Large Solder Slide Switch
US$1.33
MTG Screw Holes L = 1" (25mm). MTG Screw Holes Dia = .01" (2.5mm). Body L = 0.875" (22.2mm). Body W = 0.50" (12.7mm). Top Bezel L = 1.375" (35mm). Top Bezel W = 0.50" (12.7mm). Overall Depth = 0.5" (12.7mm).
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2285-POLOLU 47:1 120RPM Metal Gearmotor 25Dx52L mm with 48 CPR Encoder
US$48.93
This cylindrical, 2.54" x 0.98" x 0.98" brushed DC gearmotor with a 46.85:1 metal gearbox is a lower-current alternative to the HP version. It has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 2249 counts per revolution of the gearbox’s output shaft.
Delivery within 2-3 weeks
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DS-13 SPDT ON-ON Mini Slide Switch
US$0.69
ON-ON. SPDT. 3 pin R/A. 6A@120VAC/28VDC.
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1935-ADA Wired Miniature Electret Microphone
US$1.90
That's one tiny microphone! At about the size of a mature aphid, this wired Electret Microphone is perfect for your FONA. Diameter: 4.4mm. Wire Length: 67mm. Weight: .17g.
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FH503 Fuse Holder
US$1.74
This fuse holder is designed to accept 5x20mm fuses. Use with ABRA GMA and GMD series fuses. Screw mountable with .166” center opening. Connections via 0.187 faston tabs or soldering. Dimensions: 1.5” L x 0.35”W x 0.725” H. 
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PH0780A Economy Horseshoe Magnets 50x12x5mm
US$4.77
Economy chrome steel horseshoe magnet with keepers.
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COM-13013 Mini Microswitch - SPDT (Lever, 2-pack)
US$9.14
This is a 3-terminal microswitch two pack, each equipped with a 17mm lever actuator. These switches have a great ‘clicky’ sound to them with a nice tactile feel and are perfect when used for a slider, 3D printer, or robot project. Each microswitch is rated for 5A at 250VAC.
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SSR-40DA Solid State Relay - 40A (3-32V DC Input)
US$12.53
This particular SSR can switch current loads of up to 40A with a 3-32V DC input. Each one of these relays is equipped with four screw terminals (for use with ring or fork connectors) and a plastic cover that slides over the top of the relay to protect the terminals.
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1649-ADA Multi-Colored Heat Shrink Pack - 3/32" + 1/8" + 3/16" Diameters
US$8.67
Each pack contains ten 6" pieces of the following sizes: 3/32", 1/8", and 3/16".  You get three of each in black and red, and one of each in green, blue, white, and yellow.  It's a nice colorful mixed bag of heat shrink!
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SRUDH-SS-124D1 Relay 24V, 12A, SPDT
US$2.09
SRUDH-SS-124D1 Relay 24V, 12A, SPDT Relay Coil : 24 VDC Contact : 12 A 120 VAC / 12 A 28 VDC S.P.D.T
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