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1-Axis Analog Gyro Module-ENC03
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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...

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

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 module...

2-Axis Analog Gyro Module-ENC03
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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, provides 2-axis velocity with high speed, which...

2-Channel Velocity Measurement Kit
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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...

3-Axis Analog Gyro Module-ENC03
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Price: $46.20
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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 module, provides 3-axis velocity with high speed,...

3-Axis Digital Accelerometer-ADXL346
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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 applications. It measures the static...

4-Channel Capacitive Touch Module
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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...

5-Channel Flame Detector Module
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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...

AC Current Measurement Module - 50A Digital Output
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Price: $35.00
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Elecrow Item #: EL-SES40287S -

This is a current detection module, it can detect the Short circuit of the AC circuit. The Maximum Current detection of it is 50A and output digital signal.Features Dimensions: length 48mmX high 30mm wide 40mm Main chip: op amp, transformers Working voltage: DC5V Digital output The current detection range: AC Maximum 50A The current sense resistor resolution parameter settings can be changed The critical point set overcurrent signal is adjustable, set the resolution 0.3A With fixed mounting...

ACS712 Current Sensor- 20A
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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 Arduino. There are also...

ACS712 Current Sensor- 30A
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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 Arduino. There are also...

ACS712 Current Sensor- 5A
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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 Arduino. There are also...

AD_DA Module - PCF8591
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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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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 ...

Analog CO/Combustible Gas Sensor(MQ9)
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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 gases adsorbed under low...

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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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 detector Industrial gas...

Analog Voltage Divider
Price: $8.12
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DFRobot Item #: DFR0051 -

Analog Voltage Divider Introduction The Voltage Divider can detect the supply voltage upto 25V. The DFRobot Voltage Divider module is based on resistor divider principle. The voltage detection module allows the input voltage to reduce 5 times. As the Arduino analog input voltage is up to 5V, so voltage detection module's input voltage can not be greater than the 5Vx5 = 25V. Specification Type: Analog Input voltage (DC): Maximum 25V, Minimum 0.0245V Detects the supply voltage upto 25V 3...

APM2.5 Airspeed Breakout Board MPXV7002DP
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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...

Barometer Sensor
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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.FeaturesWide pressure rangeArduino/Crowduino compatible interface (3.3V or 5V)I2C interfaceFully...

Barometric Pressure Sensor - BMP085 Breakout
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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...

Capacitive Digital Temperature & Humidity Sensor(AM2301)
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Elecrow Item #: EL-STH02101S -

This temperature & Humidity sensor is a wired version of the DHT21, in a large plastic body. It is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires careful timing to grab data. The only real downside of this sensor is you can only get new data from it once every 2 seconds, so when...

Capacitive Touch Kit For Arduino
Price: $35.36
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DFRobot Item #: DFR0129 -

Introduction Now, it is time to add a more fancy interactive way to your project.  This DFRobot touch kit comes with three types touch sensors. An ipod styple wheel touch, a keypad touch which supports backlit and a grid touch pad which can recoginze something unique.  This  kit utilizes the not very "latest" capactive touch technology which make the sensing very sensitive.  The kit is designed to be compatible with Arduino.      Specfication ...

DEW Sensor - HDS05
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Elecrow Item #: EL-SES05002S -

HDS05, the dew sensor, is a kind of switching-mode element and only sensitive to high-humidity, working under DC. It\'s used to protect equipments from dew because its high precision and quick response.Technical Specification Working voltage: 0.8V DC(Max) Working temperature range: 0-100Celsius Working relative humidity range: 0-100%RH Resistance: 75%RH, 10K ohm(average) 93%RH, 100K ohm(average) 95%RH, 200K ohm(min)Features Small, light, High sensitivity under high-humidity circumstance...

Digital Display Thermometer(DS18B20)
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Elecrow Item #: EL-SEN18220B -

This is a digital display thermometer which use with DS18B20. It has a Panel table that can display the temperature information. Internal use of the latest type of A / D conversion chip and high-stable reference IC, extensive use of SMD components, circuit design and reasonable. It can be used to measure voltage, current, but also external sensors to measure temperature, pressure, displacement, and other physical quantities. Suitable for a variety of digital instrument display purposes. It has...

Digital Temperature Humidity Sensor - AM2321
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Elecrow Item #: EL-SSE02321A -

AM2321 is a temperature and humidity composite sensor that contains calibrated digital signal output, using special temperature and humidity sensor acquisition technology to ensure that products with high reliability and excellent long-term stability. Sensor comprises a capacitive wet sense original and a precision integrated temperature measurement device, and with a high-performance microprocessor connected. The product has advantages like excellent quality, fast response, anti-interference...

Dust Sensor- DSM501A
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Elecrow Item #: EL-SDSM501ADS -

The dust sensor module DSM501A is low cost, compact size for a particle density sensor.it is used to quantitative particle (> 1 micron) measurement with the principle of particle counter, can sense the tobacco smoke and pollen, house dust . This sensor is consist of light emitting diode lamp, detector, signal amplifier circuit and heater, it can be used in applications such as the air cleaner or air purifier, users can used this sensor easily with sensor PWM output.FeaturesPWM OutputCompact...

Dust Sensor- GP2Y1010AU0F
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Elecrow Item #: EL-SGP2Y1010AU -

Sharp\'s GP2Y1010AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally arranged into this device, to allow it to detect the reflected light of dust in air. It is especially effective in detecting very fine particles like cigarette smoke, and is commonly used in air purifier systems. The sensor has a very low current consumption (20mA max, 11mA typical), and can be powered with up to 7VDC. The output of the...

Easy Pulse V1.1
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Elecrow Item #: EL-SEN33901EP -

Easy Pulse is a DIY pulse sensor that can be used for detecting the cardio-vascular pulse wave from a fingertip. It is designed for hobby and educational applications to illustrate the principle of photoplethysmography (PPG), which is a non-invasive optical technique of retrieving vital information about the cardiovascular system from the skin surface. It uses an infrared light source to illuminate the finger on one side, and a photodetector placed on the other side measures the small...

EB - Capacitive Touch Sensor (toggle)
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Elecrow Item #: EL-EBR7549T -

EB - Capacitive Touch Sensor (toggle) Description: Are you tired with clicking mechanic button? Try our capacitive touch sensor. Right now we can find touch sensor on most electronic device. So uprade your Arduino project with our new version touch sensor and make it cool! This little sensor can "feel" people and metal touch and feedback a high/low voltage level. Even isolated by some cloth and paper, it still can feel the touch. And the sensetivity well decrease as isolation get thick. For...

Electronic Time Delay Module
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Elecrow Item #: EL-SPTD014M -

This time delay module provides you a way to control the time. Some time, you may want to control a LED on/off within some time, a microcontroller would be ok for such an application, but it would be troublesome, and expensive! This module would be help in these applications. With this module, you can set a delay time 0~14 minutes with the onboard potentiometer, unlike the other mechanic timer, this module is also friendly to microcontrollers, you can set the module start/stop timing, which...

Encoder Module- EC11
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Elecrow Item #: EL-SMEC11EN -

This is an incremental rotary encoder that encodes the rotation by electronic pulse, each outputs encodes clockwise and counterclockwise with 20 pulses per circle. Unlike rotary potentiometer count, this rotation counts are not limited, and the outputs are digital. it can be also pressed, to generate another “knob” signal for your projects. When you need to add a rotary knob to your project, for example a volume knob for a speaker, a selection panel or a digital input, this will be...

Energy Monitor Shield
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Elecrow Item #: EL-COP77012DE -

Energy Monitor Shield is an Arduino-compatible expansion card designed for building energy monitoring system with LCD screen and an interface for connecting the wireless transceiver nRF24L01 +.FeaturesConnect up to three sensors AC (30-100A). Support for LCD Screen Nokia LCD5110Turn off the LCD backlight with a jumperTwo buttons to control (operate one analog pin) Interface to connect the transceiver to 2.4G nRF24L01 + GROVE-compatible connector: I2C Fully compatible with Ethernet Shield...

Finger Clip Heart Rate Sensor
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Elecrow Item #: EL-SOT00100F -

This finger Clip Heart rate sensor uses an IR emitter and a receiver to detect pulse of finger. it can be used to monitor heart rate of patient and athlete. Note that the signal of this sensor is so small(about 100mv) that an amplifier maybe needed. The result can be sampled by Arduino and saved for analysis. The entire system has a high sensitivity, low power consumption and is very portable.SpecificationPower Supply:5V ...

Flame Sensor Module
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Elecrow Item #: EL-SPM01201S -

This Flame Sensor can be used to detect fire source or other light sources of the wave length in the range of 760nm - 1100 nm. It is based on the YG1006 sensor which is a high speed and high sensitive NPN silicon phototransistor. Due to its black epoxy, the sensor is sensitive to infrared radiation. In fire fighting robot game, the sensor plays a very important role, it can be used as a robot eyes to find the fire source. When detected the flame the Signal LED will on and the D0 output LOW...

Flame Sensor with Board
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Elecrow Item #: EL-SEN02011F -

The flame sensor can be used to detect fire or other wavelength at 760 nm ~ 1100 nm light. In the fire-fighting robot game, the flame plays an important role in the probe, which can be used as the robot\'s eyes to find fire source or football. It can make use of fire-fighting robots, soccer robots.It is very easy to use, you can use it with a pull-up resistor and the Arduino analog pins can get Analog value. you can also use it with our analog to digital module to output digital value.The...

G1" Water Flow Sensor
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Elecrow Item #: EL-SOT80044WF -

Water flow sensor consists of magnetic core, rotating impeller, external casing and sensor and a hall-effect sensor. When water flows through the rotor, rotor rolls, it activates the magnetic core to trigger switch action speed changes with different rate of flow. The hall-effect sensor outputs the corresponding pulse signals, users can get the flow speed via detecting the pulse. It is suitable to detect flow in water dispenser or coffee machine. There are also lots of other water flow sensors...

G1/2" Water Flow Sensor
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Elecrow Item #: EL-SOT80012WF -

Water flow sensor consists of magnetic core, rotating impeller, external casing and sensor and a hall-effect sensor. When water flows through the rotor, rotor rolls, it activates the magnetic core to trigger switch action speed changes with different rate of flow. The hall-effect sensor outputs the corresponding pulse signals, users can get the flow speed via detecting the pulse. It is suitable to detect flow in water dispenser or coffee machine. There are also lots of other water flow sensors...

G1/4" Water Flow Sensor
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Elecrow Item #: EL-SOT80014WF -

Water flow sensor consists of magnetic core, rotating impeller, external casing and sensor and a hall-effect sensor. When water flows through the rotor, rotor rolls, it activates the magnetic core to trigger switch action speed changes with different rate of flow. The hall-effect sensor outputs the corresponding pulse signals, users can get the flow speed via detecting the pulse. It is suitable to detect flow in water dispenser or coffee machine. There are also lots of other water flow sensors...

G3/4" Water Flow Sensor
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Elecrow Item #: EL-SOT80034WF -

Water flow sensor consists of magnetic core, rotating impeller, external casing and sensor and a hall-effect sensor. When water flows through the rotor, rotor rolls, it activates the magnetic core to trigger switch action speed changes with different rate of flow. The hall-effect sensor outputs the corresponding pulse signals, users can get the flow speed via detecting the pulse. It is suitable to detect flow in water dispenser or coffee machine. There are also lots of other water flow sensors...

HC-SR505 Mini PIR Motion Sensor
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Elecrow Item #: EL-SPS50506S -

HC-SR505 Mini PIR Motion Sensor is based on infrared technology and it can automatic control by itself with high sensitivity and high reliability. Because of the minimum size and low-power operation mode, it widely used in various of automatic electronic equipment, especially battery-powered automatic products.Features Automatic Control Minimum size Repeatable Trigger Wide range of operating voltage Low-power Output high signalApplications Body induction lamps Body induction toys Security...

High sensitivity vibration sensor for vehicle
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Elecrow Item #: EL-SPM8667VC -

High sensitivity vibration sensor for vehicleDescription: This a high sensitivity vibration sensor mainly used for security detecting. This module features high sensitivity, fast response and excellent performance, and it is widely used to for security applications such as anti-theft system for vehicle. The module outputs a logic Low voltage when vibration detected, and the sensitivity can be adjusted by the potentiometer, which would be convenient for DIY projects.Specification Input...

Humidity Resistance
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Elecrow Item #: EL-SES20202S -

This Humidity resistance HR202L is a new type of organic polymer materials humidity sensor, a wide range of humidity sensing, stable performance, long-term use, can be applied to the storage compartment, indoor air quality control, building automation, medical,... Application Idea Rainfall detecting Weather report. Features Work range: 20%-95% RH; 0\xe9\u02c6\u0160?60\xe9\u02c6\u0160?/li> Supply voltage: 1.5V Woring frequency: 500Hz-2KHz Center impedance:31.0k (at 25\xe9\u02c6\u0160?1khz, 1V...

I2C EEPROM Module-  AT24C256
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Elecrow Item #: EL-SEEP24C256 -

If you need to do some data storage in Arduino but found that the EEPROM in ATmega chip too limited, then this I2C EEPROM module is your best choice. This module is based on the EEPROM chip AT24C256, which has 256k bit capacity. It communicate with Arduino with I2C bus, helps you do much more data storage easily. Specification Onboard chip AT24C256 chip Onboard the I2C communications required pull-up resistor All pins are leads and marked PCB board Dimensions : 36.5 (mm) x12 (mm) Package...

IMU 10DOF LSM303D+L3GD20 +BMP180
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Elecrow Item #: EL-SMO08910DOF -

This IMU 10DOF is a motion tracking module based on the sensor LSM303D,L3GD20 and BMP180. The LSM303D is a system-in-package featuring a 3D digital linear acceleration sensor and a 3D digital magnetic sensor. The L3GD20 is a low-power three-axis angular rate sensor. 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 BMP180 is the function compatible successor of the BMP085, a new...

IMU 10DOF MPU6050+HMC5883L+BMP085
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Price: $34.72
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Elecrow Item #: EL-SMO8810DOF -

This IMU 10DOF is a motion tracking module. Its design is based on the sensor MPU6050,HMC5883L and BMP085.The sensor MPU6050 which is the world’s first integrated 6-axis Motion Tracking device, that combines a 3-axis gyroscope, 3-axis accelerometer, and a Digital Motion Processor(tm) (DMP).The Honeywell’s HMC5883L which is a 3-axis digital compass. The BMP085 is a high-accuracy chip to detect barometric pressure and temperature.You can uses it in your DIY or your product,for...

IMU 9DOF MPU-9250
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Elecrow Item #: EL-SM9250MPU -

The MPU-9250 is a 9-axis MotionTracking device that combines a 3-axis gyroscope, 3-axis accelerometer, 3-axis magnetometer and a Digital motion processor. Based on the IC MPU-9250, which is the world’s smallest 9-axis MotionTracking device and incorporates the latest InvenSense design innovations, this module features three 16-bit ADC for digitizing the gyroscope outputs and three 16-bit ADCs for digitizing the accelerometer outputs and three 16-bit ADCs for digitizing the magnetometer...

Infrared Thermometer MLX90614 Breakout Board
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Elecrow Item #: EL-SPM90614S -

This is a MELEXIS MLX90614ESF-BAA-000-TU-ND non-contact infrared thermometer for use with Arduino, or any microcontroller that can communicate with it through it\'s I2C interface.Features Small size, low cost Mounted on a breakout board with two types of pins 10k Pull up resistors for the I2C interface with optional solder jumpers Easy to integrate Factory calibrated in wide temperature range:-40...+125\xb0C for sensor temperature and -70...+380\xb0C for object temperature. High accuracy of...