Gravity: Digital Adjustable Infrared Proximity Sensor Introduction
This is an Arduino infrared distance sensor. It has an adjustable detection range, 3cm - 80cm. It is small, easy to use, assemble, and inexpensive. Useful for robotics, interactive media, industrial assembly line, etc. Infrared wave length is part of the Sun's natural light spectrum. While is a nice fit for indoor projects, outdoors with plenty of sun light and reflective..
9g 180° Micro Servo (1.6kg) Introduction
Do you need a servo for a tiny little project? Or are you seeking for an affordable solution? This mini servo is quite impressive, it does quite the job for a large range of tasks. Only weights 9 grams and gives you a 1.6kg cm torque. Pretty strong regarding its size. Suitable for Beam robots and other automation tasks. Keep in mind that if you need some heavy lifting you ..
Gravity: Analog Ambient Light Sensor For Arduino Introduction
Here comes DFRobot's new Analog Ambient Light Sensor for Arduino or Raspberry Pi. Brand new design and much more convenient to use. This sensor help you to detect the light density and reflect the analog voltage signal back to Arduino controller. You can set the threshold of voltage level to trig other unit on Arduino project.
We also use the enviromental PT550 light sensor..
Gravity: Analog LM35 Temperature Sensor For Arduino Introduction
This is an Arduino Temperature Sensor based on LM35 temperature chip. A Temperature Sensor can be used to detect ambient air temperature.The LM35 chip is produced by National Semiconductor Corporation and offers a functional range between 0 degree Celsius to 100 degree Celsius with a sensitivity of 10mV per degree Celsius. The output voltage is proportional to the temperature...
Gravity: Analog Slide Position (Potentiometer) Sensor For Arduino Introduction
This arduino Slide Position Sensor is based on straight-slip slide potentiometer sensor. The sensor is able to give provide the position of the slider which is often considered as a linear potentiometer . The sensor includes two analog outputs to allow the user to average the values and minimize random sensor fluctuations. To ease the difficult of using this sensor,  ..
Gravity: Analog Sound Sensor For Arduino Introduction
This is a new Analog Sound Sensor compatible with Arduino. Sound Sensor is typically used in detecting the loudness in ambient, the Arduino can collect its output signal and actuate accordingly. You may use it to make some funny interactive works such as a "clap and buzz" to find your lost keys or remote control if you add a buzzer. This sensor works best with our Audio an..
Gravity: Digital 5A Relay Module Introduction
The DFRobot Relay Module is a standard relay used with a controller board to interface external electrical circuits or modules. Some of the most common applications with Arduino are: Home lighting, electrical appliances of high power and other equipments. The modular design makes it easy to integrate with a controller board. The Relay integrates a status LED, in order to acknowledg..
Gravity: Digital Buzzer For Arduino Introduction
Here is the simplest sound making module that you can use High/Low to drive it. Just change the frequency it buzz, you can hear different sound. It is widely used on your daily application, like PC, refrigerator,phones and so on. And you also can create many interesting interactive project with this small but useful module.
To ease the difficult of using this senso..
Gravity: Digital Capacitive Touch Sensor For Arduino Introduction
This arduino digital capacitive touch sensor provides a one-touch style switch on your Arduino project. It uses the most popular capactiive sensing technology which is the same as your mobile phone. Getting tired with clicking mechanic button? Try this capacitive touch sensor. Right now we can find touch sensor on most electronic device. So upgrade your Arduino project with our ..
Gravity: Digital Infrared Motion Sensor For Arduino Introduction
This is a simple to use arduino motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low. This sensor checks for infrared heat in it's detecting angle. Human body, pets and several other things emit energy that the sensor is looking for, it compares with the snapshot and if t..
Gravity: Digital Tilt Sensor for Arduino / Raspberry Pi Introduction
This is an arduino tilt sensor. It is used to detect orientation. Inside the sensor, there is a ball that make contact with the pins when the case is upright. Tilt the sensor over and the balls don’t touch, thus not making a connection.Here is the principle of tilt sensor to illustrate how it works: Simple plug to our Arduino IO Sensor Expansion Shield, you can mak..
Gravity: Digital Vibration Sensor Introduction
What's the simplest way to check vibration with Arduino? Use a vibration sensor from DFRobot. You can directly plug it on our IO Expesion Shield V7. Just vibrate this sensor, Arduino can receive a digital signal. It's easy to acount and program in Arduino.
Despite it's simple, you can make full use of it with creative thinking, like step counting, Crash warning light and..
Gravity: Flexible 16x16 RGB LED Matrix Introduction
Good news! There is a new member in to the Gravity family - The Flexible 16x16 RGB LED Matrix! This module is a square panel with a soldered XH2.54 3-pin interface with pin mappings that perfectly match the Arduino I/O expansion shield.
This flexible 16x16 RGB full-color LED matrix module is based on WS2812 or SK6812 intelligent control LEDs. Each LED can be independently addresse..
Gravity:Analog Grayscale Sensor For Arduino Introduction
This gray scale sensor is able to measure the intensity of light from black to white. A gray scale is also known as black-and-white, are composed exclusively of shades of gray, varying from black at the weakest intensity to white at the strongest.
The gray scale sensor for arduino is a composition of a photocell (light-controlled variable resistor) and a..
Gravity:Analog Rotation Potentiometer Sensor V1 For Arduino Introduction
This is an arduino rotation potentiometer , it is able to rotate upto 300-degree. With the Arduino IO expansion board, in combination, it can be very easy to achieve position-dependent interaction with the rotating effect or produce MIDI instrument. So with this sensor you can learn how rotary potentiometer works and what analog signal is. You can have much fun with this basi..
Gravity:Analog Rotation Potentiometer Sensor V2 For Arduino Introduction
This Arduino Rotation Potentimeter Sensor is a multi-ring rotation sensor. It is based on multi-turn precision potentiometer. It can rotate upto 10 laps. The voltage can be subdivided into 1024 copies. This sensor provides a more accurate reading. This is sensor can also be used as a simple encoder if the rotation degree is not over 3600 degree. Gravity(sensors, shie..