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Gravity 4Pin Sensor Adapter
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Price: $8.55
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DFRobot Item #: FIT0511 -

This is Gravity 4Pin sensor adapter which is special designed for 4Pin sensor. We have optimized its connection interface to make it compatible with gravity interface. And the press type terminal will provide you a good experience for the wire connection, press and connect.<br>The adapter has two kinds of power supply, 3.3V and 5V power switch, easy to use and good compatibility|Features|<li>3.3V/5V Power Switch</li><li>Press type connection type</li>|Specification...

Gravity: 315MHZ RF Receiver Module
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Price: $13.73
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DFRobot Item #: TEL0112 -

The 315MHz RF receiver module is widely used in the field of vehicle Telecontrol, access control system, identification, etc. Compared with traditional wired communication, RF radio has advantage of higher flexibility and lower maintenance cost. <br> <br>DFRobot 315MHz RF receiver module using SC2272-L4 low power decoder chip, with 8-bit three-state address coding switch, each one has three states: high level, low level, floating empty, so it supports up to 6,561 of the coding...

Gravity: 360 Degree Hall Angle Sensor
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Price: $119.76
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DFRobot Item #: SEN0221 -

The Hall Angle Sensor is a miniature 360 degree sensor which works based on the principle of the <a href=&quot;https://en.wikipedia.org/wiki/Hall_effect_sensor&quot; target=&quot;_blank&quot; rel=&quot;nofollow&quot;>Hall effect</a>. It is compatible with the <a href=&quot;https://www.dfrobot.com/gravity&quot; target=&quot;_blank&quot;>DFRobot Gravity</a> sensor interface, and works with a 5V DC power supply. The analog output is...

Gravity: Analog Adjustable Infrared Sensor Switch (50cm)
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Price: $13.35
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DFRobot Item #: SEN0164 -

<div>This adjustable infrared sensor features a high-sensitivity photoreflector to perform distance detection function,ranging from 3cm to 50cm. When the infrared light emitted by the emitter gets reflected on a surface that blocked it, the phototransistor can pick up the signal for distance calculation. Also a potentiometer for adjustment is arranged for easy and clear use. Compared with regular infrared sensor switch,it has advantages in distance, low interference by visible light,...

Gravity: Analog Ambient Light Sensor TEMT6000
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Price: $11.60
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DFRobot Item #: SEN0043 -

<br>Light sensors are probably one of the most common sensors in life, they can be found in your laptop, phone or home lighting system. A light sensor measures the level of light in a room or ambient light in a space.&nbsp;<br><br>This module uses a special ambient light detector?TEMT6000? with spectral response that closely emulates the human eye. It help you to to detect the light density and reflect the analog voltage signal back to Arduino controller. You can set the...

Gravity: Analog Capacitive Soil Moisture Sensor- Corrosion Resistant
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Price: $15.59
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DFRobot Item #: SEN0193 -

This product measures soil moisture levels by capacitive sensing, rather than resistive sensing like other types of moisture sensor. It is made of a corrosion resistant material giving it a long service life. Insert it into soil and impress your friends with the real-time soil moisture data!<br><br>The product includes an on-board voltage regulator which gives it an operating voltage range of 3.3 ~ 5.5V. It is compatible with low-voltage MCUs (both 3.3V and 5V logic). To make it...

Gravity: Analog EMG Sensor by OYMotion
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Price: $106.93
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DFRobot Item #: SEN0240 -

This EMG sensor is launched by the cooperation of DFRobot and OYMotion, which can detect sEMG to reflect muscle and neural activities of human.<br><br>This sensor integrates filtering circuit and amplified circuit. It amplifies minimal sEMG within ±1.5mV 1000 times and depresses noises (especially power frequency interference) by differential input and analog filter circuit. The output signal is analog?which takes 1.5V as the reference voltage. The output voltage range is...

Gravity: Analog Signal Isolator
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Price: $56.88
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DFRobot Item #: DFR0504 -

The Analog Signal Isolator can isolate analog signal and provide isolated power to sensors. It can effectively prevent sensor signal interference and apply to multi-parameter water quality monitoring sensors. Because usually sensors will be interfered by the other sensors during the measurement, especially those sensors in water quality monitoring system. For example, pH sensor (pH meter) will be affected by the electrical conductivity sensor (EC meter). <br>The common solution is to...

Gravity: Analog Sound Level Meter
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Price: $112.63
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DFRobot Item #: SEN0232 -

This is an Arduino compatible sound level meter(also known as decibel meter, noise meter). It uses instrument circuit and low noise microphone, which enable it to accurately measure the sound level of the surrounding environment. It can be applied to environmental noise testing, such as highway noise monitoring station, bedroom noise monitoring, etc.<br><br>Nowadays, there are many kinds of sounds surrounding, some of which are really noisy. It is really essential to measure...

Gravity: Analog UV Sensor (ML8511)
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Price: $24.61
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DFRobot Item #: SEN0175 -

The ML8511 is a UV sensor, which is suitable for acquiring UV intensity indoors or outdoors. iT is equipped with an internal amplifier, which converts photo-current to voltage depending on the UV intensity. This unique feature offers an easy interface to external circuits such as ADC. In the power down mode, typical standby current is 0.1A, thus enabling a longer battery life.<br><br>This sensor detects 280-390nm light most effectively. This is categorized as part of the UVB...

Gravity: Analog Water Pressure Sensor
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Price: $36.78
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DFRobot Item #: SEN0257 -

This is a water pressure sensor adopts DFRobot Gravity 3-pin interface. It supports standard 5V voltage input and 0.5~4.5V linear voltage output. It is compatible with multiple Arduino controllers. Coordinate with a <a href=&quot;https://www.dfrobot.com/product-1009.html&quot; target=&quot;_blank&quot;>DFRobot Gravity IO Expansion Shield</a>, the water pressure sensor can be plugged into an Arduino board, wiring-free. Put it with <a href=&quot;https://www.dfro...

Gravity: DC Fan Module
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Price: $9.45
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DFRobot Item #: DFR0332 -

Make an air aerial propeller vessel, a cooling system, or spinning machine with this small fan module. It comes with a propeller, a 15,000 rpm motor and cable. Add flavor to your own&nbsp;interesting projects with this module.&nbsp;</p><p>This module is commonly used for STEM class.</p><p><br>|Specification|</p><ul> <li>Working Voltage?3~6V</li> <li>Working Temperature?-20~85?</li> <li>Speed (no load)?15000...

Gravity: DC Micro Metal Gear Motor w/Driver - 50:1
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Price: $19.76
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DFRobot Item #: DFR0429 -

An ordinary DC motor requires an H Bridge to work with a microcontroller such as an UNO. For newcomers to electronics, the process of finding the right motor driver, connecting it to the MCU and learning the relevant electronic theory can be confusing and frustrating when you just need something to work quickly. We hope that using the DC Micro Metal gear motor changes this.<br><br>The new micro DC geared motor is easy to operate - using the DFRobot &quot;Gravity&quot;...

Gravity: DC Micro Metal Gear Motor w/Driver - 75:1
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Price: $19.76
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DFRobot Item #: DFR0399 -

An ordinary DC motor requires an H Bridge to work with a microcontroller such as an UNO. For newcomers to electronics, the process of finding the right motor driver, connecting it to the MCU and learning the relevant electronic theory can be confusing and frustrating when you just need something to work quickly. We hope that using the DC Micro Metal gear motor changes this.<br><br>The new micro DC geared motor is easy to operate - using the DFRobot &quot;Gravity&quot;...

Gravity: Digital 10A Relay Module
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Price: $16.82
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DFRobot Item #: DFR0473 -

Introducing the Gravity Digital Relay Module – the latest addition to DFRobot’s Gravity series! This module is a little different to the other relays in our store - not only is it compatible with 5V Arduino boards, but also with Raspberry Pi, BBB (BeagleBoard Black), mbed, Intel Joule, Arduino 101 and other 3.3V devices.<br><br>It is specially designed for low-voltage devices and works well under 3.3V power supplies, just like the Raspberry Pi relay board. In addition,...

Gravity: Digital 16A Relay Module
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Price: $19.48
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DFRobot Item #: DFR0251 -

<div><div>A relay is an electrically operated switch, which has a control system (also known as the input circuit) and the controlled system (also known as the output circuit), usually used in automatic control circuit. It is actually &quot;automatic switch&quot;, using a small electric current to control a larger current.Therefore, the relay has the effects on the automatical automatic adjustment, security, conversion circuit in the circuit and so on.</div><div>...

Gravity: Digital Adjustable Infrared Proximity Sensor
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Price: $36.78
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DFRobot Item #: SEN0239 -

This is an Arduino digital infrared distance sensor. It has an adjustable detection range, 0cm - 200cm. It is small, easy to use, assemble, and inexpensive.<br><br>Useful for robotics, interactive media, industrial assembly line, etc. Infrared wave length is part of the Sun&apos;s natural light spectrum. While is a nice fit for indoor projects, outdoors with plenty of sun light and reflective surfaces on the sight is not advised. It&apos;s incredibly repurposable and can be...

Gravity: Digital Microwave Sensor (Motion Detection)
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Price: $27.96
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DFRobot Item #: SEN0192 -

The microwave sensor applies the Doppler effect to detect moving objects using microwaves. This differs from the method used by a regular infrared (IR) sensor as microwave is sensitive to a variety of objects that are microwave-reflective, and its sensor readings are not affected by the ambient temperature.<br><br>This type of microwave sensor is widely used in industrial, transportation and civil applications such as measuring vehicle speed, liquid levels, automatic door motion...

Gravity: Digital Push Button (Blue)
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Price: $4.61
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DFRobot Item #: DFR0029-B -

<div>Press to release pleasure! Our redesigned digital push buttons come with LED, immersion gold surface, and bright colored hats. A captital D at left corner indicates that it is a digital sensor. An illustration of button painted in the back notifying its function. Pressing it is a real fun, especially with the plastic cap off. The long pressable life also ensures its durability.</div><p>&nbsp;</p><div><img alt=&quot;&quot; src=&quot;https://i...

Gravity: Digital Push Button (Green)
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Price: $4.61
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DFRobot Item #: DFR0029-G -

<div>Press to release pleasure! Our redesigned digital push buttons come with LED, immersion gold surface, and bright colored hats. A captital D at left corner indicates that it is a digital sensor. An illustration of button painted in the back notifying its function. Pressing it is a real fun, especially with the plastic cap off. The long pressable life also ensures its durability.</div><div><img alt=&quot;&quot; src=&quot;https://image.dfrobot.com/image/data/D...

Gravity: Digital Speaker Module
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Price: $11.70
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DFRobot Item #: FIT0449 -

This speaker module is based on the 8002 speaker amplifier IC. It can be used as a buzzer and also play high quality audio. Volume output is controlled via the potentiometer.<br><br>The module has various advantages (e.g. a compact footprint, simple interface, wide voltage input range, long service life). It can be used with an Arduino I/O expansion shield for interactive, sound related creations.<br><br>|Specification|<ul> <li>Operating voltage: 2.0 -...

Gravity: Expansion Shield for Intel? Joule?
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Price: $32.90
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DFRobot Item #: DFR0465 -

DFRobot’s Expansion Shield for Intel® Joule™ is a powerful add-on component to the Intel® Joule™ compute module with its carrier Expansion Board for Intel® Joule™. Other than what is originally supported by Intel® Joule™ and the expansion board, the expansion shield adds following features especially for robotics, smart gadget, and <a href=&quot;https://www.dfrobot.com/index.php?route=product/category&amp;path=194_195&quot;>IoT...

Gravity: Formaldehyde (HCHO) Sensor
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Price: $99.13
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DFRobot Item #: SEN0231 -

The Formaldehyde (HCHO) sensor is an Arduino &amp; Raspberry Pi compatible module, which is the ideal solution for indoor air quality monitor.<br><br>This is a HCHO(CH2O) sensor module. It can be used to measure HCHO in air. Through it, you can know the air quality. This sensor module is widely used in many air testing applications, such as indoor air quality, real time quality monitoring stations. Our HCHO sensor module can detect and measure HCHO accurately. Many advantages...

Gravity: I2C BME280 Environmental Sensor
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Price: $31.99
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DFRobot Item #: SEN0236 -

BME280 is an environmental sensor that integrates onboard temperature sensor, humidity sensor and barometer. The sensor is of high precision, multiple functions, and small size etc. It provides both SPI and I2C interfaces, which make it easy to make a fast prototypes. It can be widely used in environmental monitoring, story height measurement and Internet of Things (IoT) control and so on.<br><br>Gravity I2C BME280 Environmental Sensor has based on BoSCH newest MEMS sensor...

Gravity: i2C BMP280 Barometer Sensor
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Price: $17.62
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DFRobot Item #: SEN0226 -

DFRobot presents our new BMP280 barometer sensor. It can detect air pressure, temperature and altitude and is Arduino compatible. Compared to the last generation BMP180 barometer sensor, it has a lower power consumption, higher resolution and higher sampling frequency.<br><br>Normally, a barometric pressure sensor is used to measure air pressure and temperature. This module can also measure altitude and story height. With the added combination of an IMU sensor, it also includes GPS...

Gravity: I2C DS1307 RTC Module
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Price: $8.53
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DFRobot Item #: DFR0151 -

After several months of &quot;Out of Stock&quot;, DS1307 RTC module has experienced a huge upgrade. It comes with a Gravity IIC interface.Its size is also reduced to fit miniaturization application. Gravity I2C DS1307 RTC module is a easy-to-use Real Time Clock module. It is cheap and affordable in most applications such as time clock, data logger, etc. The new version DS1307 RTC module adopts high precision crystal oscillator which reduces time error dramatically. The test conducted...

Gravity: I2C SD2405 RTC Module
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Price: $17.98
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DFRobot Item #: DFR0469 -

We&apos;re glad to introduce a new member in Gravity family: Gravity I2C SD2405 RTC module. This is an extremely accurate I2C real-time clock (RTC) with crystal compensation, inner chargeable battery. The SD2405AL is available in industrial temperature ranges.<br><br>The SD2405AL is dual power supply system. When the primary power supply goes down to an assigned value or resumes from low power, the system can switch between the primary power supply and battery automatically....

Gravity: I2C Triple Axis Accelerometer - LIS2DH
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Price: $9.93
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DFRobot Item #: SEN0224 -

DFRobot presents the ultra low-power <a href=&quot;https://www.dfrobot.com/category-35.html&quot; target=&quot;_blank&quot;>Arduino</a> triple axis accelerometer! This device is based around a MEMS LIS2DH chip solution and has high-performance ultra-low power mode. The module is fitted with a Gravity I2C interface for easy plug and play integration in to your projects. The build in LDO power management chip gives you a wide range of input voltages, from 3.3 –...

Gravity: I2C VEML7700 Ambient Light Sensor (0~120Klx)
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Price: $28.23
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DFRobot Item #: SEN0228 -

VEML7700 is a high accuracy ambient light digital 16-bit resolution sensor. It includes a high sensitive photo diode, a low noise amplifier, a 16-bit A/D converter and supports an easy to use Gravity I2C interface. It outputs a digital signal directly and no need for complicated calculations. This is a more accurate and easier to use version of the simple photo resistor which only outputs a voltage that needs to be calculated in order to obtain meaningful data. The data which is output by this...

Gravity: IO Expansion Shield for Bluno M3
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Price: $28.23
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DFRobot Item #: DFR0371 -

Say goodbye to messy cables! This IO shield is a powerful <a href=&quot;https://www.dfrobot.com/product-1009.html&quot;>expansion shield</a> for the Bluno M3. The breakouts for digital pins range from D0 to D38, including 5 UARTS, 8 PWM pins and 8 analog pins. The IO Expansion shield uses a convenient color coded 3 pin format for signal, voltage and ground that is useful if used with a large range of devices. The IO expansion shield also integrates an external power...

Gravity: MOSFET Power Controller
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Price: $8.98
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DFRobot Item #: DFR0457 -

In most Arduino projects, relays are the first choice to drive some large current device. It requires a certain amount of current to drive the internal coil to pick-up contact. But for some MCU, like Intel Edison, Intel joule, lilypad, Raspberry Pi and other microcontroller with limited amount of current GPIO, it’s hard to drive one or more relays simultaneously.<br><br>The MOSFET power controller is a module which can drive a large current device with limited current GPIO....

Gravity: Steam Sensor
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Price: $3.26
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DFRobot Item #: SEN0121 -

<div>This is a steam(water)sensor from DFRobot. This steam sensor can be connected to the Arduino IO Expansion shield directly. The output voltage will increase when the humidity of the sensor surface goes up.<br>&nbsp;<div><span style=&quot;color:#ff0000;&quot;>Notice:The new version of analog sensor port pin mapping has been changed as the following two features.</span></div><p>&nbsp;</p><div><span style=&quot;color:...

Gravity: UART OBLOQ ? IOT Module (Microsoft Azure)
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Price: $28.23
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DFRobot Item #: TEL0118 -

<div style=&quot;text-align: justify;&quot;>If you still don’t know how to play Internet of Things (IoT), the DFRobot OBLOQ module will be ideal for connecting you to the IoT world.<br>The core of IoT is user experience. It integrates embedded system technology, mobile technology and network technology all together, making up a smart system. It unifies hardware, software and network services, makes them become a whole.<br>Gravity: UART OBLOQ module is a WiFi to...

Gravity: VL53L0X ToF Laser Range Finder
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Price: $36.78
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DFRobot Item #: SEN0245 -

The VL53L0X laser range finder is a high-precision distance sensor that based on new Time-of-Flight (<a href=&quot;https://www.dfrobot.com/search-tof.html&quot; target=&quot;_blank&quot;>ToF</a>) principle. VL53L0X provides accurate distance measurement whatever the target reflection unlike traditional technology. It can measure absolute distances up to 2m.<br>DFRobot has introduced VL53L0X into Gravity Series. It provides Gravity-I2C interface, plug and play,...

Gravity: Voice Recorder Module
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Price: $13.29
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DFRobot Item #: SEN0197 -

This is the latest voice recorder module with integrated record and play functions. Easily record your voice by pressing the record button, speaking and then releasing the button when finished. The module is able to playback 10 seconds in total. Connect an 8Ω 3W speaker or an external active speaker for voice output. The module also has a 3 pin digital interface so you can connect it to an Arduino compatible microcontroller as a playback trigger.<br>&nbsp;<div...

Gravity:Analog ADKeyboard Module V2
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Price: $11.22
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DFRobot Item #: DFR0075 -

This keyboard uses an analog input to read the five key state which saves IO resource for the Arduino. It can be used together with our I/O expansion boards to make amazing interactive project.<p>&nbsp;</p><p><br />|Specification|</p><ul> <li>Supply voltage: 5V/3.3V</li> <li>Interface: Analog</li> <li>Size: 55x33mm</li></ul><p><br />|Documents|</p><ul> <li><a href=&quot;//www.d...

Gravity:Analog Light Sensor LX1972
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Price: $8.91
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DFRobot Item #: SEN0172 -

<br>Light sensors are probably one of the most common sensors in life, they can be found in your laptop, phone or home lighting system. A light sensor measures the level of light in a room or ambient light in a space.&nbsp;<br><br>This analog light sensor uses LX1972 as its ambient light sensing part, with spectral response that closely emulates human eyes. It helps you to to detect the light density and reflects the analog voltage signal back to Arduino controller. You...

Gravity:Analog Rotary Switch Module V1
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Price: $10.53
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DFRobot Item #: SEN0156 -

<div><div>A rotary switch is a switch operated by rotation. It is often used when more than 2 positions are needed, such as multi-speed control. The Rotary Switch uses an analog input to read the 12 state which saves IO resource for the <a href=&quot;https://www.dfrobot.com/index.php?route=product/category&amp;path=35&quot; target=&quot;_blank&quot;>Arduino</a>. This Rotary Switch Module has 12 positions. Each position has the appropriate indicator....

Gravity:Analog UV Sensor V2
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Price: $11.45
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DFRobot Item #: SEN0162 -

<br>This UV Sensor with GUVA-S12SD chip is suitable for detecting the UV raditation in sunlight. It can be used in UV Index Monitoring, DIY project, UV-A Lamp Monitoring, Plants growing Environmental monitoring...etc.<br>It can detect the UV wavelength of 200-370nm, fast response, linear analog voltage signal output. Small size, easy for installing. With the diagram of the world health organization UV index grading standards, you can know the UV index from the sensor...

Gravity:Digital Infrared Distance Sensor (10cm)
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Price: $19.48
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DFRobot Item #: SEN0042 -

<div>This is an edge detection sensor from DFRobot. It will help your <a href=&quot;https://www.dfrobot.com/index.php?route=product/category&amp;path=37&quot;>robot</a> detect the edge of a precipice, preventing it from falling off a table or down the stairs to it&apos;s certain demise! This <a href=&quot;https://www.dfrobot.com/index.php?route=product/category&amp;path=156_36_55&quot;>IR distance sensor</a> is connected to an arduino...

Gravity:Digital IR Receiver Module
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Price: $7.92
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DFRobot Item #: DFR0094 -

<p>Infrared devices are widely used, and often for remote controlled devices. With this IR receiver, your Arduino project is now able to receive command from any IR remote controller.<br />Well, it will be also easy to make your own IR controller using IR transmitter.&nbsp;<br />&nbsp;</p><div style=&quot;text-align:center&quot;><img alt=&quot;&quot; src=&quot;https://image.dfrobot.com/image/data/ROB0081/v2/Untitled-6.gif&quot;...

Gravity:Digital Push Button (White)
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Price: $4.61
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DFRobot Item #: DFR0029-W -

<div>Press to release pleasure! Our redesigned digital push buttons come with LED, immersion gold surface, and bright colored hats. A captital D at left corner indicates that it is a digital sensor. An illustration of button painted in the back notifying its function. Pressing it is a real fun, especially with the plastic cap off. The long pressable life also ensures its durability.</div><p>&nbsp;</p><div><img alt=&quot;&quot; src=&quot;https://i...

Gravity:Digital Push Button (Yellow)
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Price: $4.61
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DFRobot Item #: DFR0029-Y -

<div>Press to release pleasure! Our redesigned digital push buttons come with LED, immersion gold surface, and bright colored hats. A captital D at left corner indicates that it is a digital sensor. An illustration of button painted in the back notifying its function. Pressing it is a real fun, especially with the plastic cap off. The long pressable life also ensures its durability.</div><p>&nbsp;</p><div style=&quot;text-align:center&quot;><img...

Gravity:Digital Self-Locking Switch
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Price: $3.79
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DFRobot Item #: DFR0423 -

This Digital Self-Locking Switch module is a self-locking switch. Press the button to turn it to the &quot;on&quot; state and press it again to turn it to the &quot;off&quot; state. The board has immersion gold plating and is compatible with the &quot;gravity&quot; 3-pin interface making it easy to connect to an <a href=&quot;https://www.dfrobot.com/product-1009.html&quot;>Arduino I/O Expansion Shield</a>.<br>&nbsp;<div...