Sensors

US$4.99
You get a Infrared receiver on a PCB with three female to female cables, one infrared transmitter and a infrared wireless remote control. You can transmit from a maximum distance of 8 meters. Great for interfacing with Arduino, it can receive a standard 38 KHz modulation and is ideal for indoor robotics.
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US$1.99
Introducing a new simple and efficient method of mounting your Ultrasonic Sensor to your project. This L bracket allows you to insert a HC-SR04 into the mounting holes and install the base to a moving motor or solid frame. The acrylic body allows you to widen the hole when need to mount for different screw sizes.
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US$6.99
HX711 is an electronic scale Amplifier board who converts change resistance into weight readings. This module will take care of the complicated conversion process and gives value out using TTL 232 protocol. All you need is a load cell and microcontroller to build your very own Digital Scale.
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US$6.93
This Aluminum scale can measure up to 10Kg/22lbs of weight and has a maximum safety weight of 12Kg before reaching its’ maximum measurement scale. It converts the weight into electrical signals using a Wheatstone bridge formation. The output wires are the following: Red: E+, Black: E-, Green: A+ (O+) and White: A- (O-).
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US$25.82
This precision sensor from Bosch is the best low-cost sensing solution for measuring humidity with ±3% accuracy, barometric pressure with ±1 hPa absolute accuraccy, and temperature with ±1.0°C accuracy. Because pressure changes with altitude, and the pressure measurements are so good, you can also use it as an altimeter with  ±1 meter or better accuracy!
Delivery within 2-3 weeks
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US$29.95
This nifty little device can automatically control heating and cooling with its’ integrated P.I.D system. Comes with a 2m sensor that has the right amount of length for you to mount wherever you please. Great for home automation or controlling fans for your computer.
Delivery within 2-3 weeks
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US$9.73
1 Meter, fiberglass based thermocouple allows you to use this flexible probe without any fear of damaging the instrument. The probe end is shaped as a nut for fastening into a threaded screw hole and its’ ends are the typical spade connectors.
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US$9.95
This breakout board is a good amplifier device to install when thermocoupler are used for accurate measurements. Works with any K type thermocouple. 0 to 1024 degree C output in 0.25 degree increments. 3.3 to 5v power supply and logic levels. SPI data output requires any 3 digital I/O pins.
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US$13.93
Allows forming and bending of the thermocouple without the risk of cracking.
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US$3.09
Features: Incorporates an IC chip with a built-in detector element and amplifier. Incorporates a detector element with a built. A wide supply voltage range: 4.5 to 16 VDC. Directly connects with C-MOS and TTL. High resolution with a 0.5-mm-wide sensing aperture. Light ON model (EE-SX498).
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US$3.50
The Vishay TSOP34156 is a general-purpose modulated IR receiver for IR-based remote-control projects. It features a wide operating voltage range and allows for relatively high data rates; this particular unit is tuned for a 56 kHz carrier frequency. This is the IR receiver used in the Pololu IR Beacon.
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US$2.45
The Vishay TSOP38438 is a general-purpose modulated IR receiver for IR-based remote-control projects. It features a wide operating voltage range of 2.5 V to 5.5 V; this particular unit is tuned for a 38 kHz carrier frequency.
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US$49.95

This Sensor Kit for Arduino includes 37 popular sensors in a sturdy plastic case.

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US$20.39
This straight bar load cell (sometimes called a strain gauge) can translate up to 10kg of pressure (force) into an electrical signal. Each load cell is able to measure the electrical resistance that changes in response to, and proportional of, the strain (e.g. pressure or force) applied to the bar.
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US$4.13
This compact carrier board makes it easy to integrate a Sharp GP2Y0A60SZLF analog distance sensor (not included) into your project by providing all of the required external components and a 0.1″-pitch, four-pin interface to the sensor. This version of the carrier board is configured for 5V mode.
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