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0-40kPa Gas Pressure Sensor
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Price: $21.85
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Elecrow Item #: EL-SSE25020P -

This is a gas pressure transmitter module with DIP package, the pressure sensor as the sensing element, which integrates digital conditioning chip. It has signal processing circuit chip, and make the digital compensation to sensor drift, sensitivity, temperature drift and non-linear. It is small in size, easy to install, widely used in medical electronics, automotive electronics, sports and fitness equipment and so on. Features Measuring range: 0KPa ~ 40KPa Gauge form For non-corrosive...

1-Axis Analog Gyro Module-ENC03
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Price: $14.83
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Elecrow Item #: EL-SENC031G -

This angular velocity sensor utilizes a Coriolis force that act on a vibrating object when an angular velocity is applied to it. The use of this unit simplifies equipment structure and circuit configuration, thus making it possible to provide outstanding performance. This module can be used for positional control and posture control of a moving object requiring precision and quick-response measurements. There is one ENC-03r senor on this module, provides 1-axis velocity with high speed, which...

1000TVL 13 CCD 110 Degree 2.8mm Lens Mini FPV Camera NTSC PAL Switchable
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Price: $34.76
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Elecrow Item #: EL-PRW45145C -

Multi-rotor aircraft become more and more popular, more people pay attention to FPV this technology, people want to observe a wider world through it. This FPV camera can help you realize the world better. It has a light weight, the volume is also very small, it will match great with your UAV. The focal length of the lens is 2.8mm, the observation is more clear. And this is a wide-angle camera, use it to enjoy the scenery is a very good choice , The lens of the photosensitive area is 1/3 inch,...

2 Channels IR Reflective Sensor(TCRT5000)
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Price: $10.76
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Elecrow Item #: EL-SPS25003S -

Description This2 Channels IR Reflective Sensors(TCRT5000) includes 2 professional digital IR reflecitive sensors and a mainboard to handle the 2 channel signals. These sensors can detects tiny line and is suitable for line finder such as helping a robot car folllow a black line on white background or vice versa. You can also adjust the potentiometer on the mainboard with a crosshead screwdriver to adjust the measuring range. The infrared diode will emmitting the infrared continutelly when the...

2-Axis Analog Gyro Module-ENC03
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Price: $39.46
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Elecrow Item #: EL-SENC032G -

    This angular velocity sensor utilizes a Coriolis force that act on a vibrating object when an angular velocity is applied to it. The use of this unit simplifies equipment structure and circuit configuration, thus making it possible to provide outstanding performance.     This module can be used for positional control and posture control of a moving object requiring precision and quick-response measurements. There is two ENC-03r senor on this module,...

2-Channel Velocity Measurement Kit
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Price: $19.13
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Elecrow Item #: EL-SPM6097VM -

This Kit helps you monitoring the velocity speed of motors, it uses the sensor HC-020 to sense the rotation of circular grid board, and thus output square waves. So users can calculate the rotation velocity or speed via these outputs frequency. There are 20 grids on the circular grid board, so each rising/falling edge standing an angle: 360/20= 18 degrees. Please uncover the yellow protect paper before your using. SpecificationWorking Voltage: 4.5~5.5 VDCEmitter Voltage Drop: 1.5VOutput...

2-Channels Opto Sensor
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Price: $12.25
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Elecrow Item #: EL-SPS21211S -

Description This 2-Channels Opto Sensor is consist of 3 parts: 2 opto-emitters and receivers, one PCBA to adjust the sensitivity and map out the signal. With this sensor, you can measure if there are the objects in the measuring range, eapacilly useful in applications that you need to monitor the inputs&outputs of a system. 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,...

3 Axis Digital Accelerometer - ADXL345
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Price: $6.62
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Elecrow Item #: EL-SMS33451S -

This ADXL345 module is low power consumption and a 3-axis accelerometer, it communicate with MCU with I2C or SPI communication with user selectable sensitivity and 10-13 bit resolution. The ADXL345 is well suited to measure the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (4 mg/LSB) enables measurement of inclination changes less than 1.0�. Several special sensing functions are provided....

3 Axis Gyro-L3G4200D
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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...

3-Axis Analog Gyro Module-ENC03
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Price: $52.44
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Elecrow Item #: EL-SENC033G -

    This angular velocity sensor utilizes a Coriolis force that act on a vibrating object when an angular velocity is applied to it. The use of this unit simplifies equipment structure and circuit configuration, thus making it possible to provide outstanding performance.     This module can be used for positional control and posture control of a moving object requiring precision and quick-response measurements. There is three ENC-03r sensors on this...

3-Axis Digital Accelerometer-ADXL346
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Price: $13.11
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Elecrow Item #: EL-SMO346ADXL -

    The module is a simple breakout board that enables easy connection of an ADXL346 into an existing system. The ADXL346 is a small, thin, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to �16g, it is ideal for a wide variety of applications. Its output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C interface.     The ADXL346 is well suited for mobile device...

3-Axis MEMS Accelerometer - MMA8452Q
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Price: $4.92
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Sparkfun Item #: COM-10953 -

"The MMA8452Q is a smart low-power, three-axis, capacitive MEMS accelerometer with 12 bits of resolution. This accelerometer is packed with embedded functions with flexible user programmable options, configurable to two interrupt pins. Embedded interrupt functions allow for overall power savings relieving the host processor from continuously polling data. The MMA8452Q has user selectable full scales of ±2g/±4g/±8g with high pass filtered data as well as non filtered data...

4 Channels IR Reflective Sensor
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Price: $11.59
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Elecrow Item #: EL-SPS40201S -

Description This 4 channels IR reflective sensor includes 4 IR sensors and mainboard to handle all the signals. Each IR reflective sensor is composed of an IR emitter and a receiver, if something is in the measuring range, the sensor would outputs related signal. There are also 4 potentiometers on the mainboard so that the measuring range can be adjusted as you wish. Application Idea Smart car; Line and edge following; omni-directional detecting; On-board indicator; Specification Supply...

4-Channel Capacitive Touch Module
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Price: $11.62
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Elecrow Item #: EL-SCT2244PH -

This Capacitive Touch Module uses the touch-sensing IC TTP224 to add capacitive touch to your project . Just power with 2.4 to 5.5VDC and touch the pad to activate the sensor. These touch switches interface easily to any project - with or without a microcontroller. When a capacitive load (such as a human hand) is in close proximity to the sense-pad, the sensor detects the change in capacitance and activates the switch. Custom sense-pads can be made from nearly any conductive material and these...

4-Way Infrared Sensor Smart Car Tracking Moudle
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Price: $7.61
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Elecrow Item #: EL-SEP03032I -

This module is designed for automated mechanical devices such as smart cars and robots to provide a multi-functional infrared detection system solution. The probe is made up by infrared transmitter and receiver tubes and other discrete components. Besides, the LM339 voltage comparator which adds a more stable hysteresis circuit as the core device constitutes a control circuit. The module has various detection capabilities to meet a great variety of automated, intelligent small system...

4MM Inductive Metal Proximity Sensor
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Price: $12.35
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Elecrow Item #: EL-SPM0409IP -

        Metal Proximity Sensor, which is also called non-contact proximity switch, it is composed of generator and shaping amplifier oscillator vibration in the switch after induction head, and produces an alternating magnetic field when the metal body detected.         This Inductive Proximity Sensor has high sensitivity, fast frequency response, high repeat positioning accuracy and also stability and reliable, it can detects metal components in 0~4mm...

5-Channel Flame Detector Module
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Price: $22.87
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Elecrow Item #: EL-SPH65201F -

Use this module to detect flame in large range( >120 degree). If you want you robot detect if there is any fire around, this module is just for you. It detects the fire with 5 flame sensors which are arranged with 30 degrees. This module outputs analog signal, which would be more precisely, and also digital signal which would be more easy to use, you can adjust the digital output sensitivety by the on-board potentiometer. The 5 LED indicators are helpful in your debugging, the high-precision...

50gm Polymorph Moldable Plastic
Price: $5.75
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MK-Misc Item #: polymorph -

50gm Polymorph Moldable Plastic Polymorph is a plastic that melts at around 60 degrees Celsius and becomes mouldable and easily shaped. All you need to do is pop some of the granules into hot water or heat them with a hair dryer and once they reach 60 degree you can shape them easily with your hands or put it into a mould ready to make complex shapes. If you make a mistake just put it back into the water and start again. This stuff really changed the way we tinkered and has been a life saver...

6 DOF Sensor - MPU6050
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Price: $19.15
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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...

6-36V Inductive Proximity Sensors Proximity Switches
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Price: $16.22
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Elecrow Item #: EL-SEP04069P -

The inductive proximity switch probe sensor can detect metal objects by non-contact detection. It has self-protection, such as power supply connection error protection, surge absorption protection, load short circuit protection. The distance of detection is influenced by the voltage, the influence level is about �10% when the voltage the range of power is �10 of rated voltage. It can be used on automatic door, machine tool, aerospace and garage. Features It will be damaged when the power...

6-Axis Gyro + Acceleratmeter Sensor- MPU6050
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Price: $47.34
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Elecrow Item #: EL-SEM00621A -

This is 6-axis gyro accelerometer module, the major chip on the board is MPU-6050. The MPU-6050 parts are designed for the low power, low cost and high-performance requirements. The size of the module is small, the sensor and MCU integrated into a thumb-sized PCB. The 6-axis gyro accelerometer module integrated the MPU6050, the interface is UART serial port (TTL), the IIC interface can only get the data of the MPU6050, not include the data which calculated by the MCU. The module choose dynamic...

6xAA  Battery Holder(double layer)
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Price: $3.44
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DFRobot Item #: FIT0078 -

This battery holder can hold 6 AA battery which can make 7.2 V rechargeable battery pack from NiMH / NiCd cells or 9V battery pack from alkaline cells.It comes with a 6" Red & Black Wires with side by side & stack connection. |Specification| Cell Quantity: 6 Battery type: AA Storage temperature: 25&;#39;C (77F, RoomTemperature) Max Operate temperature: 80&;#39;C (176F)|ShippingList| 6xAA battery holder (double layer) x1 ...

80cm Infrared Proximity Sensor-GP2Y0A21YK0F
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Price: $21.09
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Elecrow Item #: EL-SPGP2YIP -

    The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar rangefinders, yet it provides much better performance than other IR alternatives. Interfacing to most microcontrollers is straightforward: the single analog output can be connected to an analog-to-digital converter for taking distance measurements, or the output can be connected to a comparator for threshold...

9 Degrees of Freedom - MPU-9150 Breakout
Price: $60.43
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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...

9V to Barrel Jack Adapter
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Price: $4.07
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DFRobot Item #: FIT0131 -

This simple cable has so many uses! Plug a 9V battery into one end and connect the other end to anything with a 5.5x2.1mm, center-positive barrel jack.Use this cable to battery-power any device that needs 9V and has an on-board barrel jack - it works great for Arduinos, development boards, evaluation boards, and more!|ShippingList| ?9V to Barrel Jack Adapter x1

ACS712 Current Sensor- 20A
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Price: $10.53
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Elecrow Item #: EL-SEL71220A -

    Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. This ACS721 current module is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach 20A, and the present current signal can be read via analog I / O port of...

ACS712 Current Sensor- 30A
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Price: $10.53
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Elecrow Item #: EL-SEL71230A -

    Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. This ACS721 current module is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach 30A, and the present current signal can be read via analog I / O port of...

ACS712 Current Sensor- 5A
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Price: $10.53
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Elecrow Item #: EL-SEL7125A -

    Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. This ACS721 current module is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach 5A, and the present current signal can be read via analog I / O port of...

AD_DA Module - PCF8591
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Price: $8.12
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Elecrow Item #: EL-SOT00001A -

Have you ever wanted more analog input pins on your Arduino project, but not wanted to fork out for a Mega? Or would you like to generate analogue signals? It solves both these problems as it has a single DAC (digital to analogue) converter as well as four ADCs (analogue to digital converters), all accessible via the I2C bus. If the I2C bus is new to you, please familiarise yourself with the readings here before moving forward. This PCF8591 module operates on 3.3~5V,so can be used with an...

Adjustable Infrared Sensor Switch 3 - 50cm
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Price: $12.91
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Elecrow Item #: EL-SOD00350S -

    This is an infrared distance switch. It has an adjustable detection ranging from 3cm to 50cm. It is small, easy to use/assemble, and inexpensive. Useful for robotics, interactive media, industrial assembly line, etc. Specification Power supply: 5VCurrent: 100mARange: 3-50cm adjustable Red: +5V Yellow: Signal Green: GNDWire length: 45cm ...

Adjustable Infrared Sensor Switch 3 - 80cm
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Price: $14.86
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Elecrow Item #: EL-SOD00380S -

    This is an infrared distance switch. It has an adjustable detection ranging from 3cm to 80cm. It is small, easy to use/assemble, and inexpensive. Useful for robotics, interactive media, industrial assembly line, etc. Specification Power supply: 5V Current: 100mA Range: 3-80cm adjustable Red: +5V Yellow: Signal Black: GND Wire length: 20cm Wiki & External links Manual/Wiki ...

Analog CO/Combustible Gas Sensor(MQ9)
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Price: $8.18
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Elecrow Item #: EL-SES90101S -

    The Analog CO/Combustible Gas Sensor(MQ9) module is useful for gas leakage detecting, it used the sensitive material SnO2, which with lower conductivity in clean air. It make detection by method of cycle high and low temperature, and detect CO when low temperature (heated by 1.5V). The sensors conductivity is more higher along with the gas concentration rising. When high temperature (heated by 5.0V), it detects Methane, Propane etc combustible gas and cleans the other...

Analog Gas Sensor
Price: $17.23
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DFRobot Item #: DFR0049 -

Analog Gas Sensor Introduction The gas sensor detects smoke, methane, carbon dioxide and other gases. It is able to give alarms when the smoke/gas leaks.  You can adjust the sensitivity with the potentiometer. Specification Type: Analog Detector: QM-NG1 Power supply needs: 5V Current: 100mA Pin Definition:  1-Output  2-GND  3-PWR  Document Datasheet Manual Shipping List Sensor (1 unit) Analog Sensor Cable (1 unit) (SKU:FIT0031) ...

Analog Smoke/LPG/CO Gas Sensor(MQ2)
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Price: $6.19
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Elecrow Item #: EL-SES28011S -

    The Analog Smoke/LPG/CO Gas Sensor(MQ2) module utilizes an MQ-2 as the sensitive component and has a protection resistor and an adjustable resistor on board. The MQ-2 gas sensor is sensitive to LPG, i-butane, propane, methane, alcohol, Hydrogen and smoke. It could be used in gas leakage detecting equipments in family and industry. The resistance of the sensitive component changes as the concentration of the target gas changes. Application Idea Domestic gas leakage...

APM2.5 Airspeed Breakout Board MPXV7002DP
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Price: $57.87
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Elecrow Item #: EL-SLF0025APM -

The MPXV7002 series piezoresistive transducer in the small outline package (SOP) is a state-of-the-art monolithic silicon pressure sensor designed for a wide range of applications, but particularly those employing a microcontroller or microprocessor with A/D inputs. This patented, single element transducer combines advanced micromachining techniques, thin-film metallization, and bipolar processing to provide an accurate, high level analog output signal that is proportional to the applied...

Arduino Female  Header-8 Pins- 10 Pcs
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Price: $5.47
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DFRobot Item #: FIT0104 -

This is a 8-pin female header which is used on Arduino board. |ShippingList| 8 Pin Header x10

Bare Conductive Pi Cap
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Price: $70.32
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Sparkfun Item #: DEV-14065 -

"This is the Bare Conductive Pi Cap, a small, shield-like device that adds precise capacitive touch, distance sensing and high-quality audio to your Raspberry Pi A+, B+, Zero and later (any Raspberry Pi with a 40-pin GPIO connector). Connect Electric Paint or anything conductive to one of the 12 electrodes to control sounds, video and more. Connecting the physical world to the digital world is easy with Bare Conductive’s fully featured libraries and extensive online tutorials. The Pi Cap...

Bare Conductive Printed Sensors (3 pack)
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Price: $25.65
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Sparkfun Item #: SEN-14696 -

"Save time with ready-to-use touch and distance sensors, printed with a unique pattern. Bare Conductive has created intricate patterns on this three-pack of Printed Sensors for you to use in touch and proximity sensing projects. They’re perfect for testing your ideas quickly, without needing time to design your own pattern, or waiting for Electric Paint to dry! Just like other conductive paint tools and accessories, you will be able to customize and hack the printed sensors to make them...

Bare Conductive Touch Board Pro Kit
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Price: $321.45
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Sparkfun Item #: KIT-14533 -

"No longer do you need to worry about what supplies to purchase to prepare for your next electric paint project. The Touch Board Pro Kit from Bare Conductive includes the tools you need to prototype and make everything from interactive wallpaper and talking murals to innovative musical instruments. Bare Conductive’s Electric Paint is just like any other water-based paint…except that it’s electrically conductive! This means that you can actually paint wires onto things like...

Barometer Sensor
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Price: $32.77
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Elecrow Item #: EL-STH01002S -

    This Barometer Sensor has a Bosch BMP085 which is a high-accuracy chip to detect barometric pressure and temperature. It can widely measure pressure ranging from 300hPa to 1100hPa, AKA +9000m to -500m above sea level, with a super high accuracy of 0.03hPa(0.25m) in ultra-high resolution mode. This Barometer sensor compatible with 3.3V and 5V, so it can be used in Arduinos without moditdfication. Features Wide pressure range Arduino/Crowduino compatible interface (3.3V...

Barometric Pressure Sensor - BMP085 Breakout
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Price: $31.15
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Sparkfun Item #: SEN-11282 -

Barometric Pressure Sensor - BMP085 Breakout Description: This is a breakout board for the Bosch BMP085 high-precision, low-power digital barometer. The BMP085 offers a measuring range of 300 to 1100 hPa with an accuracy down to 0.2 hPa in ultra-high resolution mode. It's based on piezo-resistive technology for high accuracy, ruggedness and long term stability. These come factory-calibrated, with the calibration coefficients already stored in ROM. Writing your own code for it requires...

Biomedical Sensor Pad (10 pack)
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Price: $12.78
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Sparkfun Item #: SEN-12969 -

"This is a 10 pack of Biomedical Sensor Pads, disposable electrodes that can be used to measure EEG, ECG and EMG levels. these little pads are perfect for short-term monitoring of Neurofeedback and Biofeedback purposes. They are to be used once and are very handy because of integrated, latex-free gel. Each pad adheres very well to the skin and the snap connector can be pushed on or removed from the electrode lead with no issue. Note: This product is NOT a medical device and is not intended to...

BITalino (r)evolution Board Kit
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Price: $381.73
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Sparkfun Item #: DEV-14022 -

"This is the BITalino ( r )evolution Board Kit, a (comparatively) low-cost biomedical data acquisition dev board that allows you to create projects using physiological sensors and tools. Each BITalino is presented in a “ProtoSnap style,” enabling it to be programmed as a whole board or snapped apart for use in future projects. This dev board also has no shortage of programming APIs, which include Arduino, Python, Java, Android, iOS and more. The BITalino is equipped with 14...

BMP180 Barometer Pressure/Temperature/Altitude Sensor
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Price: $11.59
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Elecrow Item #: EL-SEN00180BMP -

     This precision sensor from Bosch is the best low-cost sensing solution for measuring barometric pressure and temperature. Because pressure changes with altitude you can also use it as an altimeter! The sensor is soldered onto a PCB with a 3.3V regulator, I2C level shifter and pull-up resistors on the I2C pins. The BMP180 is the next-generation of sensors from Bosch, and replaces the BMP085. The good news is that it is completely identical to the BMP085 in terms of...

Bone Conduction Kit
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Price: $64.48
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DFRobot Item #: KIT0126 -

Bone conduction is a way of sound transmission. The sound is converted into different frequencies of mechanical vibration, and transmitted through human skull, bone labyrinth, inner ear lymphatic transmission, helix, auditory nerve, auditory center.Bone conduction headphonesThis kit is composed by a bone conduction speaker, a speaker driver board and other kinds of accessories. This kit is intended to help understand the principles of bone conduction technology, making hearing aids or bone...

Breadboard Power Supply 5V/3.3V
Price: $5.75
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DFRobot Item #: DFR0140 -

This is a very simple board that takes a 6-12V input voltage and outputs a selectable 5V or 3.3V regulated voltage. All headers are 0.1" pitch for simple insertion into a breadboard. It can be either powered from 6-12 DC2.1 power jack or from USB power.  The maximum current it can provide is 500mA.  Specification Input voltage: 6-12V (Power Jack) 5V (USB) Output voltage:3.3V/5V Output current:500mA On/Off switch Power status LED Pin Head 5/3.3V output Central positive DC2.1 power...

Breakout Board for SC16IS750 I2C-SPI-to-UART IC
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Price: $25.85
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Sparkfun Item #: BOB-09981 -

Breakout Board for SC16IS750 I2C/SPI-to-UART IC Description: This is a breakout board for the SC16IS750, a handy chip used to convert I2C or SPI serial signals to a single-channel, high-performance UART. As an application example: we use this chip on our WiFly Shield to allow an Arduino to communicate with the WiFly RN-131G module - which is normally controlled via a UART - using an SPI interface. This allows for greater communication speeds and frees up the Arduino's UART for...

Cable for Shiftout
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Price: $7.49
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DFRobot Item #: FIT0077 -

This cable is especially designed for Interface shield,shift out module, SPI Led and SPI LCD module. It is has a female 2&;times;3 IDC connector on each end that is designed to plug into a 0.100" (2.54 mm) 2&;times;3 shrouded box header. |Specification| Length:20cm (7.9&;#39;&;#39;) Female/Femal, IDC 2x3 Connector|ShippingList| Cable for Shiftout x1