Sparkfun

CA$0.64
Electrolytic decoupling capacitors 1000uF/25V. These capacitors are great transient/surge suppressors and work well in high-voltage and audio applications. High quality radial electrolytic capacitors.
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Minimum quantity for "COM-08982 Electrolytic Decoupling Capacitors - 1000uF/25V" is 5.

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CA$4.34
This small key switch is ideal for projects that require a secure power ON/OFF function. With only 14.5mm diameter front bezel it does not take up much space on your panel. On/Off positions are clearly marked with a green dot for ON and red dot for OFF. Locking action is very positive with a push and rotate requirement to move positions. The switch is perfect for small professional looking projects.
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CA$16.55
With SD and MMC memory prices dropping, the time is right for mass storage and datalogging. This breakout board will allow you to breakout the SD/MMC socket to a standard .1" 10-pin header. Perfect for breadboarding and the likes. Board comes fully assembled and tested as shown.
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CA$6.46

This is a package of ten 6 inch single male to male jumper wire set good for prototyping wire connection. These are 155mm long jumpers with male connectors on both ends.

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CA$9.86
These tactile buttons are great for all sorts of projects. This assortment comes with 2 of each of 6 different colors for a total of 12 buttons. The colored caps are removable and the buttons fit into breadboards. See the drawing below for exact dimensions.
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CA$12.23
This is a 2.4GHz Duck Antenna 2.2dBi with Reverse Polarized - SMA RF connector. Perfect for prototyping with our RF ICs. 50 ohm impedance. 4" long.
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CA$7.62
Each pack includes 25 tiny 0603 SMD LEDs in cut-tape packaging. These are great for status lights or for building really small LED matrices. 
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CA$3.00
This is a simple coin cell battery holder that can enclose two CR2032 batteries inside itself, and safely kept closed via two phillips head screws. Each battery holder is equipped with an On/Off slide switch and two 6" power wires (one positive and one negative) on the back.
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CA$2.33
This is a unique two-cell AA battery holder built specifically for the BBC micro:bit. The 6" (~150mm) cable has been terminated with a JST-PH connector. The connector mates the JST socket on the micro:bit perfectly, allowing you to easily make your project battery powered.
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CA$1.46
This 2x20 shrouded header has the same number and spacing of pins as the Raspberry Pi B+ so you can easily connect via ribbon cable to the low-level peripherals and get hacking! This through-hole header has 40 0.1"-spaced pins and is keyed for polarity.
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CA$32.96

This is 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.

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CA$56.58
This is an involved PTH soldering kit that allows you to quickly and accurately dial in a specific resistance value between 0 and 999,990 Ω, in 10 Ω increments. The concept is simple, a decade box is a tool that contains resistors of many values that can be accessed via mechanical switches.
Delivery within 2-3 weeks
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CA$8.58
This is an awesome little microSD USB reader. Just slide your microSD card into the inside of the USB connector, then stick this into a USB port and the card’s contents will pop up on your computer. 
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CA$27.69

After you've assembled it, simply plug the RaspiRobot Board into the GPIO port on the Raspberry Pi and it provides dual bi-directional motor controllers, two open collector outputs, two switch inputs, a pair of status LEDs and even a voltage regulator capable of powering the Pi using a battery source from 7-12VDC.

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CA$7.16
This is a breakout board for the WS2812B RGB LED. The WS2812B is actually an RGB LED with a WS2811 built right into the LED! All the necessary pins are broken out to 0.1" spaced headers for easy bread-boarding.
Delivery within 2-3 weeks
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