DFRobot

EEPROM Data Storage Module For Arduino Introduction If you want more storage for your Arduino project, this module is designed for you. This EEPROM  data storage module supplies an extra 32k...

EEPROM Data Storage Module For Arduino Introduction If you want more storage for your Arduino project, this module is designed for you. This EEPROM  data storage module supplies an extra 32k byte for your project. Simply wired them via I2C. Supplied with Interface cable which can be flawlessly integrated with interface shield. Specification Supply Voltage:+5V Current: Interface:I2C/TWI EEPROM: AT24C256 Weight:5 gram Documents Arduino Tutorial Wiki Doc Shipping List EEPROM Module...

Simple and practical design with bold and dazzling color, it's a collision of undertone and publicity, making yourself stand out and become a trendsetter. Gold plating crafts assure the quality and...

Simple and practical design with bold and dazzling color, it's a collision of undertone and publicity, making yourself stand out and become a trendsetter. Gold plating crafts assure the quality and efficiency of data transmission. Enhanced endurance with full gold-plated interface, also making the data transfering and power supply more stable, and fast. Wide flat design make it away from the winding: still worrying about messing up tangled data lines? The unique flat wide data lines are...

The 4x4 Keypad is a general purpose 16 button (4x4) matrix keypad. It comes ready to work, simply peel-off the adhesive backing, stick it to your surface and plug it in. ...

The 4x4 Keypad is a general purpose 16 button (4x4) matrix keypad. It comes ready to work, simply peel-off the adhesive backing, stick it to your surface and plug it in.

This RTC module is specifically designed for the Raspberry Pi. It communicates with Raspberry Pi through I2C bus and includes a Maxim DS1307 and CR1220 button cell on the board to keep a real time...

This RTC module is specifically designed for the Raspberry Pi. It communicates with Raspberry Pi through I2C bus and includes a Maxim DS1307 and CR1220 button cell on the board to keep a real time clock for a long time after the Pi has powered down. Just set a serial port, and you have a convenient way of online debugging using TTL. Supports Raspberry Pi B/A+/B+/2 model B/3 model B.|Specification| RTC module: DS1307 Battery model: CR1220 button cell Operting Voltage: 5V I2C address: 0x68 Clock...

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...

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!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 compatible with a...

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.Useful for robotics, interactive media,...

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.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 surfaces on the sight is not advised. It's incredibly repurposable and can be used for a lot of different projects....

The Formaldehyde (HCHO) sensor is an Arduino & Raspberry Pi compatible module, which is the ideal solution for indoor air quality monitor.This is a HCHO(CH2O) sensor module. It can be used to...

The Formaldehyde (HCHO) sensor is an Arduino & Raspberry Pi compatible module, which is the ideal solution for indoor air quality monitor.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 are available, such as strong...

3D Printer Heater 19V@38W Introduction This is a Heater used to heating the hot end which is very popular for 3D printers such as Reprap, Ultimaker and Makerbot. It has a right angle which make it...

3D Printer Heater 19V@38W Introduction This is a Heater used to heating the hot end which is very popular for 3D printers such as Reprap, Ultimaker and Makerbot. It has a right angle which make it easy to be installed at the hot end. 1.6m wire is long enough to suit most situation.  The bright red color gives a bright warning of its heat!      Specification  Voltage:19V Power:38W Wire length:1.6m head diameter:5.8mm-6mm Head lenght:25mm Shipping List Heater x1 ...

ThisisamountingbracketdesignedforourURMultrasonicsensorseriesItisfullycompatiblewithURM37andURM04nbspnbspYoucanalsohavethisitemwithonly300rewardpoints||Specification| Mounting Pitch: 14mm(0.55 in)...

ThisisamountingbracketdesignedforourURMultrasonicsensorseriesItisfullycompatiblewithURM37andURM04nbspnbspYoucanalsohavethisitemwithonly300rewardpoints||Specification| Mounting Pitch: 14mm(0.55 in) Weight: 5g Size: 60mm x 20mm x 30mm (2.4in x 0.8in x 1.2in)|ShippingList| Bracket x1 Rubber Ring x2 Screw x2

This is a waterproof DC-DC converter. With 16-36V DC input, it converts to 9V@5A which is a good supply for robots. |Features| Overvoltage protection Overcurrent protection Overheat protection...

This is a waterproof DC-DC converter. With 16-36V DC input, it converts to 9V@5A which is a good supply for robots. |Features| Overvoltage protection Overcurrent protection Overheat protection Short-circuit protection Waterproof and shockproof case High efficiency and less heat|Specification| Input Rage: 16-36V DC Output: 9V DC Output Current: 5A Size: 58 X 40.5 X 22mm(2.28x1.59x0.87") Efficiency: 96% Weight:0.09Kg Maximum working temperature:80 ? |ShippingList| 45W DC-DC Converter(FIT0169) x1 ...

This is a line tracking (following) sensor to guide your robot by telling white from black quickly and accurately. It is commonly used in arduino robot project, and probably is the best line...

This is a line tracking (following) sensor to guide your robot by telling white from black quickly and accurately. It is commonly used in arduino robot project, and probably is the best line following sensor in the market.Line following is the most basic function of smart mobile robot. As you can see line tracking robot one of the easiest ways for a robot to successfully and accurately navigate. We designed this new generation of line tracking sensor to be your robot's powerful copilot all the...

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...

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...

A miniature snap-action switch, also trademarked and frequently known as a micro switch, is an electric switch that is actuated by very little physical force. Micro switches are very widely used;...

A miniature snap-action switch, also trademarked and frequently known as a micro switch, is an electric switch that is actuated by very little physical force. Micro switches are very widely used; among their applications are appliances, machinery, industrial controls, vehicles, and many other places for control of electrical circuits. They are usually rated to carry current in control circuits only, although some switches can be directly used to control small motors, solenoids, lamps, or other...

A miniature snap-action switch, also trademarked and frequently known as a micro switch, is an electric switch that is actuated by very little physical force.Micro switches are very widely used;...

A miniature snap-action switch, also trademarked and frequently known as a micro switch, is an electric switch that is actuated by very little physical force.Micro switches are very widely used; among their applications are appliances, machinery, industrial controls, vehicles, and many other places for control of electrical circuits. They are usually rated to carry current in control circuits only, although some switches can be directly used to control small motors, solenoids, lamps, or other...

Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! We have developed waterproof...

Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! We have developed waterproof ultrasonic distance sensors with a waterproof sealed emitter. This sensor is suitable for outdoor applications such as car reversing sensors, security alarms, industrial inspection, etc. What will you make? |Specification| Operating voltage: DC5V Static current: 5mA Operating current: 30mA Operating range:...

These are a longer version of our standard break away headers. They are 10mm long which allows you use them socket to socket. The plastic separator can be slid up or down to accommodate your needs....

These are a longer version of our standard break away headers. They are 10mm long which allows you use them socket to socket. The plastic separator can be slid up or down to accommodate your needs. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. It is used on Arduino Ethernet Shield.|ShippingList| 40 Pin Header x10

This is a metal DC geared motor, 99:1 metal reducer. It has a small size and large torque. The maximum torque could arrive 2.5 kg.cm. It is stable and durable!|Specification|Rated Voltage: 6...

This is a metal DC geared motor, 99:1 metal reducer. It has a small size and large torque. The maximum torque could arrive 2.5 kg.cm. It is stable and durable!|Specification|Rated Voltage: 6 VOperating Voltage Range 2~7.5VGear reduction ratio: 99:1Gearbox length: 23 mm"D" shape shaft diameter: 4 mmNo-load speed: 15 RPM @ 6VNo-load current: 50 mA Locked-rotor torque: 2.5 Kg.cmLocked-rotor current: 0.6 AOperating Temperature: -20?60?Weight: 72 g|ShippingList|Metal DC Geared Motor - 6V 15RPM...

This is a high quality metal servo horn. It fits Hitec standard servos, DF series servos and the Uptech CDS 5500 Servo.|Specification| Outside diameter: 20mm(0.79") Center hole diameter: 3mm(0.12")...

This is a high quality metal servo horn. It fits Hitec standard servos, DF series servos and the Uptech CDS 5500 Servo.|Specification| Outside diameter: 20mm(0.79") Center hole diameter: 3mm(0.12") Mounting holes: M3 Weight: 2g|Documents| Dimensions|ShippingList| Metal servo horn x1

Combines the power of screw shield and prototyping shield. This Proto Screw shield offers a better way to do prototyping. The Screw terminal can be screwed directly to the terminal on the thread and...

Combines the power of screw shield and prototyping shield. This Proto Screw shield offers a better way to do prototyping. The Screw terminal can be screwed directly to the terminal on the thread and is reliable and convenient. It can be plugged into the Arduino controller. You can use this shield to save yourself from the bad port connection. Feel secure with this arduino-compatible screw shield. The prototyping shield provides a fast prototpying area for projects. It features a LED (D13) and...

CheapDuino is the most affordable Arduino compatible processor in the world. The price for each cheapDuino is almost 1/5 price of the Arduino UNO R3. It aims to provide an extremely low-cost...

CheapDuino is the most affordable Arduino compatible processor in the world. The price for each cheapDuino is almost 1/5 price of the Arduino UNO R3. It aims to provide an extremely low-cost solution for any disposable projects, such as DIY projects, workshop, gifts projects, E-Textiles and education. For those students from second or third world countries who can not afford the official Arduino, cheapduino opens the door to the physical world. The cheapDuino is integratd with an ATmega8...

Wide voltage range from 3.3V to 5V Standard assembling struct (two 3mm holes with multiple of 5cm as interval) Easily recognitive interfaces of sensors ("A" for analog and "D" for digital) Icons to...

Wide voltage range from 3.3V to 5V Standard assembling struct (two 3mm holes with multiple of 5cm as interval) Easily recognitive interfaces of sensors ("A" for analog and "D" for digital) Icons to simplely illustrate sensor function High quality connector Immersion gold surface|Specification| Supply Voltage: 3.3V to 5V Interface: Analog Size:22x30mm (0.87 x 1.18 in)|Documents| Wiki (Analog Grayscale Sensor V2) Schematics|ShippingList| Analog Grayscale Sensor V2 x1 Analog cable x1 ...

The Arduino LCD Keypad Shield V2 includes a 2x16 LCD display and 6 momentary push buttons. Pins 4, 5, 6, 7, 8, 9 and 10 are used to interface with the LCD and Analog Pin 0 is used to read the work...

The Arduino LCD Keypad Shield V2 includes a 2x16 LCD display and 6 momentary push buttons. Pins 4, 5, 6, 7, 8, 9 and 10 are used to interface with the LCD and Analog Pin 0 is used to read the work status of five pushbuttons.This product ensures consumer's convience especially when computer is not available. Menu selection and monitoring can be easily achieved by this product even for gaming, that means you can test or debug your project by displaying information on the LCD display. This...

The Arduino Nano I/O Sensor Shield acts as an expansion board for the Arduino Nano and DFRduino Nano microcontrollers. There are several different options for power input. The form factor of the...

The Arduino Nano I/O Sensor Shield acts as an expansion board for the Arduino Nano and DFRduino Nano microcontrollers. There are several different options for power input. The form factor of the Nano I/O Shield board is the same as the Arduino UNO/arduino Leonardo. In addition, the sensor shield adopts Gravity interface that each pinout includes 5V and GND pins for easy connection to Gravity sensors or servos. To the best compatibility, the shield supports jumper wires for rapid prototyping....

The DFRduino Nano USB Microcontroller V3.1 (ATMega 328) is a breadboard ready version of the Arduino mini with integrated USB. The arduino Nano has everything that the Diecimila has...

The DFRduino Nano USB Microcontroller V3.1 (ATMega 328) is a breadboard ready version of the Arduino mini with integrated USB. The arduino Nano has everything that the Diecimila has (electronically) with more analog input pins and an on-board +5V AREF jumper. The arduino Nano automatically senses and switches to the higher power supply, so there is no need for a power select jumper.  The nano's pin layout works well with the Mini or the Basic Stamp (TX, RX, ATN, GND on one...

IoT Starter Kit is an all-in-one bundle for micro:bit beginners to fast experience and build Internet of Things projects. The kit comes with a micro:bit microcontroller, a Wi-Fi module and 7...

IoT Starter Kit is an all-in-one bundle for micro:bit beginners to fast experience and build Internet of Things projects. The kit comes with a micro:bit microcontroller, a Wi-Fi module and 7 sensors/actuators that are wildly used in real-life IoT applications. You can easily setup the Wi-Fi connection in MakeCode Block Editor, program your micro:bit and eventually interact with your smart devices.To make things even easier and fun, DFRobot developed EasyIoT, a free educational IoT platform...

INTRODUCTION Gravity: Digital Signal Isolator is capable of isolating I2C digital signal and providing isolated power to the sensor module, effectively preventing mutual interference between the...

INTRODUCTION Gravity: Digital Signal Isolator is capable of isolating I2C digital signal and providing isolated power to the sensor module, effectively preventing mutual interference between the sensor modules. This digital signal isolator can be used for multi-parameter water quality detection systems to prevent water quality sensors from interfering with each other.In many cases, interference sources are existing. For example, a running pump in a fish tank will release signals into the...

This is the second version of the 9V to Barrel Jack Adapter. In this version the material for the 9V battery jack is hard plastic, which makes it easier to connect and disconnect You can plug a 9V...

This is the second version of the 9V to Barrel Jack Adapter. In this version the material for the 9V battery jack is hard plastic, which makes it easier to connect and disconnect You can 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...

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm(0.22x0.08"), center-positive female barrel jack. If you have a...

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm(0.22x0.08"), center-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution. |ShippingList| DC Barrel Jack Adapter Female x1

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare...

This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare wires to a barrel jack on an Arduino or a development board, this might be the simple solution. With this Power Jack, you can feed various power source to your Arduino project, from 9V battery to 6xAA battery. A sample use is illustrated below. The 9V battery clip is also available at This picture is...

The Cookie I/O expansion shield is designed for beginners to electronics. The shield is directly compatible with the gravity series. We have implemented fail-safe systems to prevent bad connections...

The Cookie I/O expansion shield is designed for beginners to electronics. The shield is directly compatible with the gravity series. We have implemented fail-safe systems to prevent bad connections from destroying the board. The board is protected from reverse voltage input. And connector ports only accept connections the correct way around. These fail safes make the board ideal for beginners and classroom settings - no need to worry about your students making the wrong connections!|Specificati...