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3 Axis Gyro-L3G4200D
Price: $22.71
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Elecrow Item #: EL-SMS34200D -

    This is a breakout board for the L3G4200D. the L3G4200D is a low-power three-axis angular rate sensor able to provide unprecedented stablility of zero rate level and sensitivity over temperature and time. It includes a sensing element and an IC interface capable of providing the measured angular rate to the external world through a digital interface (I2C/SPI).     The L3G4200D has a full scale of +/-250 / +/-500 / +/-2000 dps and is capable of...

6 DOF Sensor - MPU6050
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Price: $17.07
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DFRobot Item #: SEN0142 -

At the beginning, the inertial measurement unit is an electronic device that measures and reports on a craft's velocity, orientation, and gravitational forces, using a combination of accelerators, gyroscopes, and magnetometers. Now IMUs are commonly used in the Human-computer interaction(HCI), navigational purposes and balancing technology used in the Segway Personal Transporter as we all known. The MPU-6000/MPU-6050 family of parts are the world’s first and only 6-axis MotionTracking...

9 Degrees of Freedom - MPU-9150 Breakout
Price: $60.78
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Sparkfun Item #: SEN-11486 -

9 Degrees of Freedom - MPU-9150 Breakout Description: The MPU-9150 is the world’s first 9-axis MotionTracking device designed for the low power, low cost, and high performance requirements of consumer electronics equipment including smartphones, tablets and wearable sensors. And guess what? You get to play with it. This breakout board makes it easy to prototype with the InvenSense MPU-9150 by breaking out all the pins you need to standard 0.1" spaced headers. The board...

Flymaple-A flight controller with 10 DOF IMU
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Price: $118.86
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DFRobot Item #: DFR0188 -

Flymaple is a Quadcopter controller board, based on the Maple Project. The FlyMaple embeds a STM32F103RET6 (ARM Cortex-M3) as it's main MCU. It integrates a 3-Axis accelerometer,a 3-Axis gyroscope,a 3-Axis compass and a barometric pressure sensor. By using the 10 dgrees of freedom IMUs and powerful 72MHz high-performation microcontroller, flymaple is powerful enough to handle a complex algorithm and manage a robot motion system at the same time. The design of flymaple is based on the maple,...

Gravity: 27 Pcs Sensor Kit for Arduino
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Price: $129.29
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DFRobot Item #: KIT0011 -

If you want to start playing with sensors, this sensor kit for arduino will be the perfect choice for you to get started. It comes with bundle of the most popular DFRobot sensors such as light sensors, gas sensors, sound sensors, touch sensors, distance sensor, accelerometer and lots more which gives unlimited possibility to sense the physical world on your embedded devices. The wiki for these sensors and devices makes it easy to start learning. So save by purchasing them together and start...

Gravity: Analog Adjustable Infrared Proximity Sensor
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Price: $11.89
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DFRobot Item #: SEN0019 -

This is an Arduino infrared distance sensor. It has an adjustable detection range, 3cm - 80cm. It is small, easy to use, assemble, and inexpensive. Useful for robotics, interactive media, industrial assembly line, etc. Infrared wave length is part of the Sun's natural light spectrum. While is a nice fit for indoor projects, outdoors with plenty of sun light and reflective surfaces on it's sight is not adviced. It's incredibly repurposable and can be used for a lot of different projects. The...

Gravity: Digital Crash sensor (Left)
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Price: $5.00
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DFRobot Item #: SEN0138-L -

A miniature snap-action switch, also trademarked and frequently known as a micro switch, is an electric switch that is actuated by very little physical force. Micro switches are very widely used; among their applications are appliances, machinery, industrial controls, vehicles, and many other places for control of electrical circuits. They are usually rated to carry current in control circuits only, although some switches can be directly used to control small motors, solenoids, lamps, or other...

Gravity: Digital Crash sensor (Right)
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Price: $5.00
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DFRobot Item #: SEN0138-R -

A miniature snap-action switch, also trademarked and frequently known as a micro switch, is an electric switch that is actuated by very little physical force.Micro switches are very widely used; among their applications are appliances, machinery, industrial controls, vehicles, and many other places for control of electrical circuits. They are usually rated to carry current in control circuits only, although some switches can be directly used to control small motors, solenoids, lamps, or other...

Gravity: Digital Infrared Motion Sensor For Arduino
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Price: $7.58
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DFRobot Item #: SEN0018 -

This is a simple to use arduino motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low. This sensor checks for infrared heat in it's detecting angle. Human body, pets and several other things emit energy that the sensor is looking for, it compares with the snapshot and if there is a recent change it triggers.Get on with your Home alarm security audit gear and experiment with this...

Gravity: Digital Piezo Disk Vibration Sensor
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Price: $7.76
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DFRobot Item #: DFR0052 -

The DFRobot Vibration Sensor buffers a piezoelectric transducer that responds to strain changes by generating a measurable output voltage change which is propotional with the strength of vibration.So you can know the extent of vibration. Different from digital vibration sensor that only accounts times, this analog one can tell extent of vabiration.|Specification| Supply Voltage: 3.3V to 5V Interface: Analog Size:22x30mm (0.87x1.2'') |Documents| Wiki Analog Piezo Disk Vibration Sensor...

Gravity: Digital Tilt Sensor for Arduino / Raspberry Pi
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Price: $3.36
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DFRobot Item #: DFR0028 -

This is an arduino tilt sensor. It is used to detect orientation. Inside the sensor, there is a ball that make contact with the pins when the case is upright. Tilt the sensor over and the balls don’t touch, thus not making a connection.Here is the principle of tilt sensor to illustrate how it works: Simple plug to our Arduino IO Sensor Expansion Shield, you can make amazing interactive projects. As this sensor is now woking under 3.3V, it is now able to be compatible with Raspberry Pi....

Gravity: Digital Vibration Sensor
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Price: $7.76
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DFRobot Item #: DFR0027 -

What's the simplest way to check vibration with Arduino? Use a vibration sensor from DFRobot. You can directly plug it on our IO Expesion Shield V7. Just vibrate this sensor, Arduino can receive a digital signal. It's easy to acount and program in Arduino. Despite it's simple, you can make full use of it with creative thinking, like step counting, Crash warning light and so on. Inprovement Wide voltage range from 3.3V to 5V Standard assembling structure (Times-of-5mm Center distance between...

Gravity: Joystick Module V2
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Price: $9.14
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DFRobot Item #: DFR0061 -

Lots of robot projects need joystick. This updated joystick module V2 provides an affordable solution. Simply connect to two analog inputs, the robot is at your commands with X,Y control. It also has a switch that is connected to a digital pin. This joystick module can be easily connect to Arduino by our IO Expansion Shield with supplied cables.Notice: The new version of analog sensor port pin mapping has been changed as the following two features.|features| Wide voltage range from 3.3V to 5V...

Gravity:Digital Line Tracking(Following) Sensor For Arduino
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Price: $8.45
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DFRobot Item #: SEN0017 -

This is a line tracking (following) sensor to guide your robot by telling white from black quickly and accurately. It is commonly used in arduino robot project, and probably is the best line following sensor in the market.Line following is the most basic function of smart mobile robot. As you can see line tracking robot one of the easiest ways for a robot to successfully and accurately navigate. We designed this new generation of line tracking sensor to be your robot's powerful copilot all the...

Hall Sensor Module
Price: $3.31
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Elecrow Item #: EL-SPM11042S -

    This Hall Sensor Module used Hall Sensor - A3144E. The Hall Sensor measures the Hall Effect, which is a production of a voltage difference across an electrical conductor, transverse to an electric current in the conductor as well as a magnetic field perpendicular to the current. The output of the Hall sensor switches low and turns on when a magnetic field perpendicular to the Hall sensor exceeds the BOP threshold, and it switches high and turn on when the magnetic field...

IMU 10DOF L3G4200D + ADXL345 + HMC5883L + BMP180
Price: $28.06
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Elecrow Item #: EL-SM080110DOF -

This IMU 1DOF is based on the sensor L3G4200D, ADXL345, HMC5883L and BMP180. The L3G4200D is a low-power three-axis angular rate sensor able to provide unprecedented stablility of zero rate level and sensitivity over temperature and time. It includes a sensing element and an IC interface capable of providing the measured angular rate to the external world through a digital interface (I2C/SPI). The ADXL345 is a small, thin, low power, three-axis accelerometer with high resolution (13-bit)...

LilyPad Accelerometer ADXL335
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Price: $25.77
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DFRobot Item #: SEN0059 -

This is a three axis accelerometer for the LilyPad system. Based on the ADXL335 accelerometer from Analog Devices, the LilyPad Accelerometer can detect joint movement as well as inclination and vibration.The ADXL335 outputs a 0V to 3V analog signal on each of the X, Y, and Z axis. You will need to convert this analog voltage to a gravity amount and use trigonometry to calculate a true 'angle'. If you are not looking for tilt, it is very easy to use this sensor for basic motion sensing.LilyPad...

Photo Electric Counter
Price: $3.31
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Elecrow Item #: EL-SMS38491S -

This photoelectric counter uses a groove IR Optocoupler to detect if there is anything between the IR emiter and IR receiver. With this method, this module can detect the number of obstruction in a given time thus to detect the speed of the rotation. When the opto sensor didn\'t covered , the D0 output logic LOW, the signal indicate LED light, when the opto sensor covered, the D0 output logic HIGH and the LED off, adjust the potentiometer can adjust the sensitivity of the sensor.FeaturesWorking...

SparkFun Triple-Axis Digital-Output Gyro Breakout - ITG-3200
Price: $43.39
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Sparkfun Item #: SEN-11977 -

"This is a breakout board for InvenSense’s ITG-3200, a groundbreaking triple-axis, digital output MEMS gyroscope. The ITG-3200 features three 16-bit analog-to-digital converters (ADCs) for digitizing the gyro outputs, a user-selectable internal low-pass filter bandwidth, and a Fast-Mode I2C (400kHz) interface. Additional features include an embedded temperature sensor and a 2% accurate internal oscillator. The ITG-3200 can be powered at anywhere between 2.1 and 3.6V. For power supply...

Tilt Sensor Module
Price: $3.31
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Elecrow Item #: EL-SMS31101S -

Description The module will output HIGH/LOW(the signal indicate LED OFF/ON) when the tilt sensor is disconnected/connected. The default state of the tilt sensor is disconnected. Application Idea Rainfall detecting Liquid leakage Tank overflow detector Features Low power consumption Sensitivit adjustable On-board indicator LED to show the results Working voltage: 3.3V-5V Dimension of the board: 3.2cm * 1.4cm           ...

Triple Axis Accelerometer ADXL345
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Price: $13.62
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DFRobot Item #: SEN0032 -

Breakout board for the Analog Device ADXL345. The ADXL345 is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement at up to &;plusmn;16 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface. The ADXL345 is well suited to measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high...

Triple Axis Accelerometer BMA220 (Tiny)
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Price: $8.45
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DFRobot Item #: SEN0168 -

This Triple Axis Accelerometer with Bosch BMA220 is an ultra small triaxial, low-g acceleration sensor breakboard with SPI and I2C interface, aiming for low power consumer market applications. It allows measurement of accelerations in 3 perpendicular axes and thus senses tilt, motion, shock and vibration in cell phones, handhelds, computer peripherals, man-machine interfaces, virtual reality features and game controllers. With a size of only 2 mm x 2 mm, the Bosch BMA220 represents a new...

Triple Axis Accelerometer Breakout - MMA7361
Price: $10.90
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Elecrow Item #: EL-SPS07361S -

    This is a breakout board for Freescale's MMA7361L three-axis analog accelerometer. The sensor requires a very low amount of power and has a g-select input which switches the accelerometer between ?1.5g and ?6g measurement ranges. Other features include a sleep mode, signal conditioning, a 1-pole low pass filter, temperature compensation, self test, and 0g-detect which detects linear freefall. Zero-g offset and sensitivity are factory set and require no external devices....

Triple Axis Accelerometer FXLN8361
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Price: $26.72
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DFRobot Item #: SEN0178 -

3-Axis acceleration sensor is an electronic equipment which could measure the acceleration during the object motion. It could help you to analyse the target motion position or direction. The typical interactive application could be the posture recognition and action recognition, such as WII game applications. These video game device are all using internal acceleration sensor, calculate the current motion direction by conversion algorithm. And most of the recent smart device are based the same...

Triple Axis Accelerometer MMA7260
Price: $30.31
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DFRobot Item #: DFR0068 -

Triple Axis Accelerometer MMA7260 The MMA7260Q is a very nice sensor with easy analog interface. The MMA7260QT is a 3.3V part and outputs an analog voltage for each of the three outputs. This voltage is in ratio to the measured acceleration and to the supply voltage (ratiometric). It has selectable sensitivity by dip switch.  You will need some extra hardware to convert this analog signal to a usable digital one.  The Arduino is really good option for it.  This break...

Triple Axis Accelerometer MMA7361
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Price: $25.86
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DFRobot Item #: DFR0143 -

The MMA7361 from Freescale is a very nice IMU sensor with easy analog interface. The MMA7361 Arduino is a 3.3V part and outputs an analog voltage for each of the three outputs. This voltage is in ratio to the measured acceleration and to the supply voltage (ratiometric). It has selectable sensitivity by dip switch. You will need some extra hardware to convert this analog signal to a usable digital one. The Arduino is really good option for it. This break board is especially designed for...

Water Level Sensor
Price: $14.97
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SeeedStudio Item #: SWWater -

Water Level SensorThis sensor is a device used to sense the level of liquid within a tank, it may actuate a pump, an indicator, an alarm, or other devices. Spec:     Cable length: 40cm     Maximum load: 50w     Max Switching votage: 100V DC     Minimum Votage: 250v DC     Maximum Switching Current: 0.5A     Max load current: 1.0A     Max contact resistance: 0.4 Ω...