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164-ADA IR distance sensor includes cable (10cm-80cm) - GP2Y0A21YK0F
164-ADA IR distance sensor includes cable (10cm-80cm) - GP2Y0A21YK0F
US$26.17
This SHARP distance sensor bounces IR off objects to determine how far away they are. It returns an analog voltage that can be used to determine how close the nearest object is. Comes with 12" long 3-JST interface wire. These sensors are good for short-range detection. For over 1 m distance, we suggest using sonar sensors.
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381-ADA Waterproof DS18B20 Digital temperature sensor + extras
381-ADA Waterproof DS18B20 Digital temperature sensor + extras
US$17.42
This is a pre-wired and waterproofed version of the DS18B20 sensor. Handy for when you need to measure something far away, or in wet conditions. While the sensor is good up to 125°C the cable is jacketed in PVC so we suggest keeping it under 100°C.
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481-ADA Waterproof Metal Pushbutton with Blue LED Ring - 16mm Blue Momentary
481-ADA Waterproof Metal Pushbutton with Blue LED Ring - 16mm Blue Momentary
US$10.42
This button is a momentary push button, when you press it the 'normally-open' contact shorts to the common contact. When you release it, the contacts open up again. The switch and LED are separated, so you could wire it to turn on when pressed or vice versa or whatever you wish!
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166-ADA Round Force-Sensitive Resistor (FSR) - Interlink 402
166-ADA Round Force-Sensitive Resistor (FSR) - Interlink 402
US$10.78
FSRs are sensors that allow you to detect physical pressure, squeezing and weight. They are simple to use and low cost. This sensor is a Interlink model 402 FSR with 1/2 diameter sensing region.
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270-ADA Thermocouple Type-K Glass Braid Insulated - K
270-ADA Thermocouple Type-K Glass Braid Insulated - K
US$15.33
Features: K type thermocouple with glass over-braiding. Good up to 500 °C (900 °F)! Color-coded wires. 1 meter long (a little more than 3 feet). Best used with a thermocouple amplifier such as the MAX6675 or MAX31855. 
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374-ADA DS18B20 Digital temperature sensor + extras
374-ADA DS18B20 Digital temperature sensor + extras
US$7.00
These 1-wire digital temperature sensors are fairly precise (±0.5°C over much of the range) and can give up to 12 bits of precision from the onboard digital-to-analog converter.
Delivery within 2-3 weeks
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464-ADA 12" eTape Liquid Level Sensor + extras
464-ADA 12" eTape Liquid Level Sensor + extras
US$75.17
The eTape Liquid Level Sensor is a solid-state sensor with a resistive output that varies with the level of the fluid. It does away with clunky mechanical floats, and easily interfaces with electronic control systems. The eTape sensor's envelope is compressed by the hydrostatic pressure of the fluid in which it is immersed.
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ADXL345 - Triple-Axis Accelerometer (+-2g/4g/8g/16g) w/ I2C/SPI
US$26.95
Filling out our accelerometer offerings, we now have the really lovely digital ADXL345 from Analog Devices, a triple-axis accelerometer with digital I2C and SPI interface breakout. We added an on-board 3.3V regulator and logic-level shifting circuitry, making it a perfect choice for interfacing with any 3V or 5V microcontroller such as the Arduino.
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915-ADA Waterproof Metal On/Off Switch with Blue LED Ring - 16mm Blue On/Off
915-ADA Waterproof Metal On/Off Switch with Blue LED Ring - 16mm Blue On/Off
US$10.42
This button is an on/off switch button, when you press it the 'normally-open' contact shorts to the common contact and the button stays 'pressed'. When you press it a second time, the button springs open, and the contacts open up again. 
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161-ADA Photo cell (CdS photoresistor)
161-ADA Photo cell (CdS photoresistor)
US$1.75
CdS cells are little light sensors. As the squiggly face is exposed to more light, the resistance goes down. When its light, the resistance is about 5-10KΩ, when dark it goes up to 200KΩ.
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560-ADA Waterproof Metal Pushbutton with Green LED Ring - 16mm Green Momentary
560-ADA Waterproof Metal Pushbutton with Green LED Ring - 16mm Green Momentary
US$10.42
This button is a momentary push button, when you press it the 'normally-open' contact shorts to the common contact. When you release it, the contacts open up again. The switch and LED are separated, so you could wire it to turn on when pressed or vice versa or whatever you wish!
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1092-ADA Tactile On/Off Switch with Leads
1092-ADA Tactile On/Off Switch with Leads
US$6.09
Squeeze once to turn on, squeeze again to turn off! This clicky switch makes a great power switch or mode toggler. We like this switch because it's easy to embed in a seam for easily powering up/off wearable and fabric projects. Can handle up to 14V and 2 Amps! This is a really satisfying switch.
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917-ADA Waterproof Metal On/Off Switch with White LED Ring - 16mm White On/Off
917-ADA Waterproof Metal On/Off Switch with White LED Ring - 16mm White On/Off
US$10.42
These chrome-plated metal buttons are rugged and waterproof and look real good while doing it! Simply drill a 16mm hole into any material up to 1/2" thick and you can fit these in place, there's even a rubber gasket to keep any water out of the enclosure.
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Touch screen (Nintendo DSL digitizer)
US$9.49
This resistive touch screen can be used with a stylus or fingertip and is easy to use with a microcontroller. You can put it over a paper overlay for a touch control panel or attach it to an LCD to DIY a touch-activated display.
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916-ADA Waterproof Metal On/Off Switch with Red LED Ring - 16mm Red On/Off
916-ADA Waterproof Metal On/Off Switch with Red LED Ring - 16mm Red On/Off
US$10.42
This button is an on/off switch button, when you press it the 'normally-open' contact shorts to the common contact and the button stays 'pressed'. When you press it a second time, the button springs open, and the contacts open up again. 
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820-ADA Micro Switch w/Wire - Three Terminals
820-ADA Micro Switch w/Wire - Three Terminals
US$5.17
This microswitch has a 3" long wire lever actuator and three terminals. Sometimes called 'coin switches' - they're used in coin detectors. The terminals are along the bottom (the other microswitches have them on the sides).
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819-ADA Micro Switch w/Roller Lever - Three Terminal
819-ADA Micro Switch w/Roller Lever - Three Terminal
US$3.76
This microswitch has a flat metal lever actuator and a roller at the end. The roller makes it a little better for angled actuation. This switch comes with three terminals (common/normally-open/normally-closed). We also have kinds with a bump actuator, flat lever and long wire.
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1152-ADA Arcade/Button Quick-Connect Wire Pair - Set of 10 pairs
1152-ADA Arcade/Button Quick-Connect Wire Pair - Set of 10 pairs
US$9.54
Quick connector wire sets will make wiring up our arcade-style or metal waterproof buttons quicky-quick. Each wire comes as a 'pair' with two 0.11" quick-connects pre-crimped onto 20cm long wires.
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423-ADA Foot switch
423-ADA Foot switch
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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1064-ADA Electret Microphone - 20Hz-20KHz Omidirectional
1064-ADA Electret Microphone - 20Hz-20KHz Omidirectional
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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627-ADA Electroluminescent (EL) Panel Starter Pack - 10cm x 10cm Aqua
627-ADA Electroluminescent (EL) Panel Starter Pack - 10cm x 10cm Aqua
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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905-ADA Large Plastic Project Enclosure - Weatherproof with Clear Top
905-ADA Large Plastic Project Enclosure - Weatherproof with Clear Top
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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903-ADA Small Plastic Project Enclosure - Weatherproof with Clear Top
903-ADA Small Plastic Project Enclosure - Weatherproof with Clear Top
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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1008-ADA Small Alligator Clip Test Lead (set of 12)
1008-ADA Small Alligator Clip Test Lead (set of 12)
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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936-ADA Panel Mount USB Cable - B Female to Mini-B Male
936-ADA Panel Mount USB Cable - B Female to Mini-B Male
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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874-ADA Snap-action 5-Wire Block Connector (12-28 AWG) - Pack of 3
874-ADA Snap-action 5-Wire Block Connector (12-28 AWG) - Pack of 3
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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978 Panel mount HDMI Cable - 40 cm
978 Panel mount HDMI Cable - 40 cm
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. 
Delivery within 2-3 weeks
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972-ADA Servo Extension Cable - 30cm / 12" long
972-ADA Servo Extension Cable - 30cm / 12" long
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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737-ADA Power Distribution Bus - 7 x 6mm diameter solid brass
737-ADA Power Distribution Bus - 7 x 6mm diameter solid brass
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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761-ADA Cable Gland PG-9 size - 0.158" to 0.252" Cable Diameter - PG-9
761-ADA Cable Gland PG-9 size - 0.158" to 0.252" Cable Diameter - PG-9
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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988-ADA USB A Jack to 5.5/2.1mm jack adapter
988-ADA USB A Jack to 5.5/2.1mm jack adapter
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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371-ADA 6-pin Socket/Socket IDC cable - 6"
371-ADA 6-pin Socket/Socket IDC cable - 6"
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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