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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...

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...

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...

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...

Analog Gas Sensor
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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...

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. Features Wide pressure range Arduino/Crowduino compatible interface (3.3V...

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 Touch Kit For Arduino
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DFRobot Item #: DFR0129 -

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. Get Started with Capacitive Touch Kit Tutorial|Specification| Operation Voltage:5V...

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...

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...

Gravity: 9 Pcs Sensor Set for Arduino
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DFRobot Item #: DFR0018 -

This is DFRobot's basic sensor set for arduino. Set includes light sensor, touch sensor, temperature sensor, magnetic sensor, vibration sensor, tilt sensor, big button, LED lighting module and Grayscale sensor.To connect these sensors to Arduino, we suggest to use our IO expansion shield V7.1 which has color coded pins that provides a much easier way to link sensors to microcontroller. |Specification| Analog Ambient light sensor (DFR0026) Digital Capacitive touch sensor (DFR0030) LM35...

Gravity: Analog Alcohol Sensor (MQ3) For Arduino
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DFRobot Item #: SEN0128 -

This is an Arduino Alcohol sensor. It uses a MQ3 probe which can be used in a Breathalyser. It has a high sensitivity to alcohol and less sensitivity to Benzine. The sensitivity is able to be adjusted by the potentiometer. The output is proportional to the density of gas. You can use analog reading to read the data from this sensor. To ease the difficulty of using this sensor, a Gravity Interface is adapted to allow plug&play. The Arduino IO expansion shield is the best match for this senor...

Gravity: Analog Soil Moisture Sensor For Arduino
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DFRobot Item #: SEN0114 -

A soil moisture sensor can read the amount of moisture present in the soil surrounding it. It's an ideal for monitoring an urban garden, or your pet plant's water level. This is a must have component for a IOT garden / Agriculture!The new soil moisture sensor uses Immersion Gold which protects the nickel from oxidation. Electroless nickel immersion gold (ENIG) has several advantages over more conventional (and cheaper) surface platings such as HASL (solder), including excellent surface...

Gravity: Analog Voltage Divider V2
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DFRobot Item #: DFR0051 -

The Analog Voltage Divider V2 can detect the supply voltage from 0.0245V to 25V. This 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 normally maximum 5V, the input voltage of analog voltage detection module can not exceed 5Vx5 which is 25V.Notice: The new version of analog sensor port pin mapping has been changed as the following two features. Inprovement List Wide voltage range from...

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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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...

KA2284 Voltage Level Indicator
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Elecrow Item #: EL-SEL09020K -

Use this KA2284 Voltage level indicator to you next project. It can be used for battery power quantity indicator, Voltage indicator and Audio indicator. Specification Working voltage: 3.5V-12Vthe magnitude of the level can be adjusted;AC and DC signals can be controlled by jumper;PCB board Dimension: 29 (mm) x21 (mm); Wiki & External links KA2284 Datasheet ...

Laser-Guide Module
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Elecrow Item #: EL-SPR23875K -

Load Cell Straight Bar- 200kg
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Elecrow Item #: EL-SMO9200KG -

The sensor elastic body was shear or bending of cantilever beam structure, one end fixed, one end bearing, shape of low height, high strength structure, it can be used for a variety of tensile and compressive force bearing and the measurement. It has: dustproof sealing, wide capacity, high precision, stable and reliable performance,it is convenient to install and use.Apply to electronic scale, weighing apparatus etc. ,such as weighing the various measuring, weighing industrial automation...

Opto Interrupter - ITR8104
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Elecrow Item #: EL-SPS81041S -

This Opto interruptor detects if there is some thing between the IR emitter and the IR receiver. With the Holder, it will be very easy to intall this sensor into your application. Application Idea Mouse Copier Switch Scanner Floppy disk driver Non-contact Switching For Direct Board Features Fast response time High analytic High sensitivity Remain within RoHS compliant version Wiki & External links ITR8104 Datasheet ...

Orient Hood for Flame Sensor
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Elecrow Item #: EL-SPM07499OH -

If you want to use a flame sensor to detect and locate the fire source, you will this module to help you orienting the rays that the flame sensor receives. This orient hood receives the rays within a limited angle, to help your project detects the fire source orientation and thus to decide what to do next. ...

OV7670 Camera(With the AL433 FIFO)
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Elecrow Item #: EL-SPS76701S -

The OV7670 is a low cost image sensor + DSP that can operate at a maximum of 30 fps and 640 x 480 ("VGA") resolutions, equivalent to 0.3 Megapixels. The captured image can be pre-processed by the DSP before sending it out. This preprocessing can be configured via the Serial Camera Control Bus (SCCB). It\'s very useful for Electronic lovers, you can use the camera with STM32 or even with Arduino.Features:380KB high-capacity FIFO AL422B, very suitable for slow MCU to acquisit image data directly...

Rain/Steam Sensor
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Elecrow Item #: EL-SPM01021S -

    This water sensor works by having a series of exposed traces connected to ground and interlaced between the grounded traces are the sens traces. The sensor board has a demension of 5.0 x 4.0cm. There is also a on-board potentiometer to adjust the sensitivity, you can get the amount of water induced contact between the grounded and sensor traces.With the comparator LM393, users can get both the analog signal and digital signal.     Connect this sensor...

Serial JPG Camera
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Elecrow Item #: EL-SOD03010S -

Description     This Serial Camera is a JPEG color camera module easy for PC& MCU use.It has integrated image processing DSP to generate 320*240 or 640*480 JPEG image without thumbnail information, captured picture will be stored in internal buffer and transferred via UART port. The UART Can be configued to TTL or CMOS by hardware. Features Default baud rate of serial port is 38400 640x480/320x240(default) resolution JPEG compressed image without Thumbnail Information...

Soil Moisture Sensor
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Elecrow Item #: EL-SPM32100S -

    This Moisture Sensor can be used to detect the moisture of soil or your pet plant's water level, let the plants in your garden reach out for human help. With the Octopus Electronic Bricks interface can very easy to used with the sensor shield V4.0.            This sensor uses the two probes to pass current through the soil, and then it reads that resistance to get the moisture level. More water makes the soil conduct...

Soil Moisture Sensor Module
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Elecrow Item #: EL-SPM30421S -

     This Soil Moisture Sensor can be used to detect the moisture of soil or judge if there is water around the sensor, let the plants in your garden reach out for human help.Insert this module into the soil and then adjust the on-board potentiometer to adjust the sensitivity. The sensor would outputs logic HIGH/LOW when the moisture is higher/lower than the threshold set by the potentiometer.With help of this sensor, it will be realizable to make the plant remind you :...

Sound Recorder- ISD1760
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Elecrow Item #: EL-SISD1760SR -

The Sound Recorder Module uses the ISD1760 Chip to record and store voice signals. ISD1700 series recording chip is a kind of high integration, high performance chip. This module can be multiple recording, the sampling rate can be set to 6k or 8k by the on-board resistor. There are also some inside sounds to remind the user working state of the module, such as record beginning, record stopping, record erasing , etc. The recording data is stored in the FLASH, without any compression to ensure a...

Sound Sensor
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Elecrow Item #: EL-SPM22101S -

Description     The Sound sensor module is a simple microphone. Based on the power amplifier LM386 and the electret microphone, it can be used to detect whether there is any sound that beyond the threshold. The threshold can be adjusted by the on-board potentiometer.     Adjust the on-board potentiometer to adjust the sensitivity. The module output HIHG/LOW when the voice is Lower/higher than the threshold set by the potentiometer. Please note that this...

ST178H Infrared Photo Reflective Sensor
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Elecrow Item #: EL-SLS01012S -

Strain Gauge Module
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Elecrow Item #: EL-SEN77631Y3 -

A strain gaugeis a device used to measure strain on an object. This strain gauge module uses the strain gauge BF350-3AA to detect the strain, with the amplifier and potentiometer on the board to adjust the measured results, users can easily get the result with any microcontroller such as Arduino.This module can be positively used in measuring deformation (for example, across a bridge by loading positions and effects) in engineering and in physical distortions proportional to loading or thermal...

Thermocouple Wire - TP01
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Elecrow Item #: EL-SPM01010S -

    The fiber optic Temperature Probe TP-01 is a high precision temperature probe for use in a wide temperature range. It is for the temprature measuring of air/solid, but not for liquid. It is a point-like probe housed in a stainless steel tube and with a connector at one end. you can also find the Thermocouple_K_Female Connetor to integrate this sensor to your PCBA Features Length:100cm Measuring Range:-50 - +400 response time: 5s ...

Tilt Sensor With board
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Elecrow Item #: EL-SPS01011S -

Triple Axis Magnetometer Breakout
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Elecrow Item #: EL-SPS05883S -

Triple Axis Magnetometer Breakout Description: This is a breakout board for Honeywell's HMC5883L, a 3-axis digital compass, provides compass heading accuracy up to 1° to 2°. Communication with the HMC5883L is simple and all done through an I2C interface. An Arduino Demo is given out to help users learn how to use this sensor. The breakout board includes the HMC5883L sensor and all filtering capacitors as shown. This module also includes a DC regular for power supply requirement. Hence...

US-020 Ultrasonic Ranging Sensor
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Elecrow Item #: EL-SEN020US -

USB Weather Board
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Retail: $182.73
Price: $107.84
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Sparkfun Item #: SEN-10586 -

USB Weather Board Description: Got weather? This board can handle it. The USB Weather Board includes onboard sensors for barometric pressure, humidity, temperature, and light level. We've also added headers in the new version so you can connect the board to our weather meters (not included), adding sensors for wind speed, wind direction, and rainfall. You can send all this data to a computer or datalogger via mini-USB cable, TTL serial (3.3V), or wirelessly...

Voice Record Module
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Elecrow Item #: EL-SPM02110V -

This module is base on ISD1820, which a multiple-message record/playback device. It can offers true single-chip voice recording, no-volatile storage, and playback capability for 8 to 20 seconds. The sample is 3.2k and the total 20s for the Recorder. This module use is very easy which you could direct control by push button on board or by Microcontroller such as Arduino, STM32, ChipKit etc. Frome these, you can easy control record , playback and repeat and so on.FeaturesPush-button interface,...

Water proof Integrated Ultrasonic Ranging Module- JSN-B02
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Elecrow Item #: EL-SP0433B02 -

There are many ultrasonic ranger module on the market, but sometimes, these kind of sensor needs to work in conditions more than the Lab. This water proof ultrasonic sensor meets this requirement. It has a good performance and almost the same usage of HC-S04 module. compares to the SR04T module, this module is more easy to install anf waterproofing. Featuressmall size, easy to uselow voltage, low power consumptionhigh accuracystrong anti-jammingintegrated with wire enclosed waterproof probe,...

Wired NTC Thermistor- 10K 0.5m
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Elecrow Item #: EL-SET99801W -

This wired thermistor is popular used in Industrial Applications such as air condition and heater, with its water proof shell, it can be also used in many DIY projects such as this application on instructables.Specification R25\u2103=10KB25/50\u2103=3950KTemperature Reaction Time: Working Temperature: -20~ 100 degree;Wire length: 0.5mWiki & External links B Parameter Definition on WIKI ...