Adafruit

US$13.13
This foot switch is made of rubbery plastic, is plenty strong to put up with any amount of stomping, and contains a snap switch. You can use the switch as either a "normally open" or "normally closed" type. Attached to the switch is a 2 meter long cable so you can wire it directly to your project.
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US$2.63
This electret capsule microphone is the same one we use in our great microphone amplifier board. It contains a small vibrating element that will output a few milllivolts peak-to-peak.
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US$43.67

Includes: 10cm x 10cm (approx 4"x4") square panel in Aqua, Portable 4xAAA inverter powerful enough to drive a single panel, 4 x AAA alkaline batteries to power the inverter and panel for 10 hours.

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US$34.92
We picked up this box because we like the machinable ABS plastic body and tough clear polycarbonate cover, the built in weatherproof gasket seal, and the easy-open screws that can be taken apart as many times as you wish without worrying about cracking or stripping.
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US$17.42
We picked up this box because we like the machinable ABS plastic body and tough clear polycarbonate cover, the built in weatherproof gasket seal, and the easy-open screws that can be taken apart as many times as you wish without worrying about cracking or stripping. 
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US$6.92
Connect this to that without soldering using these handy mini alligator clip test leads. 15" cables with alligator clip on each end, color coded. You get 12 pieces in 6 colors. Strong and grippy, these always come in handy!
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US$6.92
This handy USB extension cable will make it easy for you to enclose a device that has a mini-B USB type port. We think this would be most handy when putting a Teensy, FTDI friend, USB LiPo charger, USB Boarduino, etc into a box! 
Delivery within 2-3 weeks
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US$8.67
Each block connector has a metal block inside and five levers that snap open and close to bind stranded/solid-core wire. No screwdrivers required! They're super handy for free wiring and can handle up to 20A at 300V with UL listing so you can also use them for mains wiring. Use any wires from 12 AWG down to 28 AWG. 
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US$10.42
This panel mount extension cable will allow you to extend an HDMI connection and secure it to an enclosure. Perfect for placing your Raspberry Pi in a secure box. Two M3 screws are used to attach the female socket end, 1"/25.4mm apart. Two hex-screws are included and the hex nuts are embedded inside the molded end. 
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US$3.42
Stretch out your servo connections with this flexible servo extension cord. It has a 3 pin shrouded "male" connection to plug your servo into and then, 30cm later, a 3 pin female connection. It even keeps the common red/black/white color coding.
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US$3.42
These machined bus bars are for when you want to distribute power through a project, we think they are ideal for robots and LED pixel grids where you have tons of current and a lot of loose wiring to control.
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US$3.42
By installing these over the cable, they form-fit to make a seal, keeping your project box innards safe from the outdoors. 
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US$5.17
This little dongle will let you connect one of our 5V 2Amp or 5V 10Amp adapters to something that expects to connect to USB. The premise is simple - one end has a USB A female jack and the other has a 'standard' 5.5mm OD/2.1mm ID barrel jack with center positive polarity. 
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US$3.50
Connect this to that with an IDC cable! This cable has 6 pins (2x3) in 0.1"x0.1" spacing. Often used for programming AVRs. 6" long with two sockets crimped onto either side, they're quite sturdy!
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US$3.42
By installing these over the cable, they form-fit to make a seal, keeping your project box innards safe from the outdoors. 
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