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1/4W Resistor Pack -2000 PCS
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Price: $26.81
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DFRobot Item #: FIT0119 -

It comes with 20 of each value: 1R 1.2R 1.5R 1.8R 2R 2.2R 2.7R 3R 3.3R 3.9R 4.7R 5.1R 6.2R 6.8R 8.2R 10R 12R 15R 18R 20R 22R 27R 30R 33R 39R 47R 51R 62R 68R 82R 100R 120R 150R 180R 200R 220R 270R 300R 330R 390R 470R 510R 620R 680R 820R 1K 1.2K 1.5K 1.8K 2K 2.2K 2.7K 3K 3.3K 3.9K 4.7K 5.1K 6.2K 6.8K 8.2K 10K 12K 15K 18K 20K 22K 27K 30K 33K 39K 47K 51K 62K 68K 82K 100K 120K 150K 180K 200K 220K 270K 300K 330K 390K 470K 510K 620K 680K 820K 1M 1.2M 1.5M 1.8M 2M 2.2M 3.3M 3.9M 4.7M 5.1MNOTE: As this...

10W Super Bright LED - RGB
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Price: $17.07
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DFRobot Item #: FIT0381 -

This 10W super bright LED can be used as a flash searchlight for your robot projects. It consists of 9 separate LEDs and has a luminance of 500LM. Comes in various colors.Warning : If you use the full power, LED will be very hot. Please use Heat Sink to cool it down.|Specification| Rated Power: 10W Luminance: Red: 110, Green: 165, Blue: 45 Working Voltage: Red: 6V-7V, Green: 9V-11V, Blue: 9V-11V?With Heat Sink) Red: 5V-5.5V, Green:7.5V-8.5V, Blue:7.5V-8.5V?Without Heat Sink) Rated Current:...

10W Super Bright LED - Violet
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Price: $11.89
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DFRobot Item #: FIT0383 -

This 10W super bright LED can be used as a flash searchlight for your robot projects. It consists of 9 separate LEDs and has a luminance of 250LM. Comes in various colors.Warning : If you use the full power, LED will be very hot. Please use Heat Sink to cool it down.|Specification| Rated Power: 10W Luminance: 200-250LM Wave Length: 420-435NM Working Voltage : 9V-11V?With Heat Sink); 7.5V-8.5V?Without Heat Sink? Rated Current: Red: 1000mA Color Temperature: 3000K-4000K Angle: 120&;deg; Working...

10W Super Bright LED - Warm White with 60 Degrees Lens
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Price: $11.89
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DFRobot Item #: FIT0380 -

This 10W super bright LED can be used as a flash searchlight for your robot projects. It consists of 9 separate LEDs and has a luminance of 500LM. The 60 degrees lens for focusing the light. Comes in various colors.Warning : If you use the full power, LED will be very hot. Please use Heat Sink to cool it down.|Specification| Rated Power: 10W Luminance: 500LM Working Voltage : 9V-11V?With Heat Sink); 7.5V-8.5V?Without Heat Sink? Rated Current: 1000mA Color Temperature: 3000K-4000K Angle:...

3MM Infrared Emitter (5pcs Pack)
Price: $0.66
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Elecrow Item #: EL-COI03474E -

    3MM infrared emitter for remote controllers, please download the detailed specification Here. Specification Wavelength: 940 nm Max infrared power : 100 mW/sr Angle: <30 degree Forward voltage: 0.9~1.3V Soldering Temperature: < 260?C/<5s Life: > 80,000h ...

3W Infrared lamp for Raspberry Pi Camera
Price: $16.54
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Elecrow Item #: EL-RPA22070P -

This is a designed wide angle photographic infrared light for the Raspberry Pi camera use, through which you can capture images, photographs and video during the night to complete the purpose in poor lighting situations with the camera. It is very cheap and powerful performance. Precautions: Raspberry Pi power is limited, when the external 3W high-power light sensitive work, there will be varying degrees of fever phenomenon (you could add a external heat sink). Objects within three meters...

48mm Square 8*8 LED Matrix - Super Bright RGB
Price: $14.87
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Elecrow Item #: EL-MAT04808A -

    This is an awesome large sized RGB LED Matrix with superbright and beautiful performance.It has 64 5mm circle-dot and it's perfectly compatible with our Rainbow shield V1.0. For more details, please refer to the datasheet. Specification Dot Size: 5.0mmPixel Array: 8?8Dimension: 48mm?48mmReverse Voltage(Max): 5V Forward Current(Max) : 20mAPeak Forward Current(Max): 60mAPower Dissipation(any seg): 40mWOperating Temperature(Max): -10~+80??/li>Storage Temperature(Max):...

50pcs DC12V 12mm WS2811 Pixel Node Smart LED
Price: $41.38
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Elecrow Item #: EL-DLD10012W -

look at these colorful LEDs, what a beautiful visual experience! Let?s think about what can make by using it. Signs or advertising screen ? May be more wide range of applications! Let your imagination fly and create more wonderful things. The led adopts perfect optical design, big view angle, waterproof, high brightness and light transmittance, energy saving and environmental friendly. It can be cut each one, easy to operate and repair. Features Adpots high quality  round hat RGB LED as...

60mm Square 8*8 LED Matrix - Super Bright RGB(CIRCLE-DOT)
Price: $14.87
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Elecrow Item #: EL-MAT06008A -

    This is an awesome large sized RGB LED Matrix with superbright and beautiful performance.It has 64 3.6mm circle-dot. For more details, please refer to the datasheet. Can be drivered by Elecrow Rainbow Shield.      Specification Dot Size: 5.0mm Pixel Array: 8x 8 Dimension: 60mmx 60mm Reverse Voltage(Max): 5V Forward Current(Max) : 20mA Peak Forward Current(Max): 60mA Power Dissipation(any seg): 40mW Operating Temperature(Max): -10~+80 Degree Lead...

64x64 RGB LED Matrix Panel (3mm pitch)
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Price: $118.95
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DFRobot Item #: DFR0499 -

City night is always beautiful. She is just like a charming girl, showing her beauty every time. The colorful light is jewelry, dotted on her dress.This is a 64x64 RGB LED Matrix Panel, it has 4096 full-color RGB LEDs in all. Each LED can be independently addressed and controlled. It requires at least 13 digital GPIOs to control the LED matrix. So the UNO board won’t be a good choice in this application, recommended Mega 2560, Raspberry Pi and the other kinds of microcontroller with...

7 Segment LED Keypad Shield For Arduino
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Price: $15.34
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DFRobot Item #: DFR0382 -

This 7 segment LED Keypad Shield is an Arduino LCD Shield with a 4 digit 7 segment digital tube display (common cathode). It has 5 buttons that can be used as menu select buttons or control buttons, using I2C to drive the digital tube for an easy user experience.|Specification| Arduino compatible Working voltage: 5V 4 digit 8 segment common cathode digital tube (0.56 inch) 5 input buttons (Driving pin: A0) Size: 53 * 54mm/2.05 * 2.12inches|Documents| Product Wiki More Resource |ShippingList| 7...

8*8 LED 7-color Matrix
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Price: $68.78
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DFRobot Item #: DFR0202 -

A dot matrix display is a display device used to display information on machines, clocks, railway departure indicators and many other devices requiring a simple display device of limited resolution. Even if the 8x8 RGB led dot matrix is commonly used in lots of applications, but it require too much digital pins to drive it. And the software is too complex also. The 8x8 LED RGB matrix module aimed to solve these problems.Directly drive the 8x8 RGB matrix module via the SPI serial interface. It...

8x8 RGB LED Matrix
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Price: $65.80
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DFRobot Item #: DFR0459 -

The 8x8 RGB LED Matrix! This module is a square panel with a XH2.54 3-pin interface.This 8x8 RGB full-color LED matrix module is based on WS2812 intelligent control LEDs. Each LED can be independently addressed with RGB pixels that can achieve 256 levels of brightness. That’s 16777216 colors in total with a scanning frequency no less than 400Hz!The 8x8 RGB LED Matrix is single wire control board. The module also supports cascading control. All you need to do is connect Din to the DOUT...

Diffused 5mm LED Pack (50 pcs)
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DFRobot Item #: FIT0372 -

Have you ever played with LEDs and got hurt in your eyes? This pack of diffused LEDs won't. !Diffused LEDs are really useful in indications, they look softer and more uniformed so that you can see them well from any angle.This pack includes 50 5mm LEDs in 5 different colors: green, red, yellow, blue and white. It is ideal for your phototyping projects. Get this package of all most common color LEDs for your next project. Very handy for experiments and home cooked circuit board. Note: The...

Digital piranha LED module-Yellow
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Price: $7.29
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DFRobot Item #: DFR0031-Y -

Piranha LED light module, and special sensors Arduino board and ambient light sensor extension combination, can be used in the interaction with the light works.When the LED light module connected to Arduino, the digital pin (LOW on, HIGH off) is used to control it. The brightness of LED can be controller via PWM output. The LED has four colors Red/Blue/Whilt/Yellow to select.|Specification| Voltage: +3.3-5V Pin Definition :1 - control 2 -GND 3 --- Power Weight: 5g Color:Yellow|ShippingList|...

Digital RGB LED Strip 180 LED - (3m)(weatherproof)
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Price: $119.81
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DFRobot Item #: FIT0352 -

LED Strips always glow nicely in the dark and are super fun to play with. They can be used in home decorations, festives and interactive art installations. For example this Christmas someone put a phone-controlled strip around the Christmas tree for S.O., and it looked great! This Digital RGB Strip is a intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050 components. There are 60 RGB LEDs per meter, and you can control each LED...

Digital RGB LED Weatherproof Strip 60 LED - (1m)
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Price: $39.73
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DFRobot Item #: FIT0356 -

LED Strips always glow nicely in the dark and are super fun to play with. They can be used in home decorations, festives and interactive art installations. For example, decorating a BLE-controlled strip around the tree for X'mas. (Instructables)This Digital RGB Strip is a intelligent control LED light source that the control circuit and RGB chip are integrated in a package of 5050 components. There are 60 RGB LEDs per meter, and you can control each LED individually. It internal include...

FireBeetle Covers-24x8 LED Matrix (Blue)
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Price: $25.86
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DFRobot Item #: DFR0485 -

DFRobot FireBeetle is a low-power consumption micro-controller intentionally designed for Internet of Things (IoT). This series micro-controllers aims at IoT node of low-power consumption, attending to build the IoT hardware platform quickly and conveniently. There are three types of FireBeetle, containing Boards (main control), Covers (expansion boards) and related Accessories. This 24×8 LED Matrix display is special designed for FireBeetle series. It supports low-power consumption mode...

FireBeetle Covers-24x8 LED Matrix (Green)
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Price: $25.86
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DFRobot Item #: DFR0468 -

DFRobot FireBeetle is a low-power consumption micro-controller intentionally designed for Internet of Things (IoT). This series micro-controllers aims at IoT node of low-power consumption, attending to build the IoT hardware platform quickly and conveniently. There are three types of FireBeetle, containing Boards (main control), Covers (expansion boards) and related Accessories. This 24×8 LED Matrix display is special designed for FireBeetle series. It supports low-power consumption mode...

FireBeetle Covers-24x8 LED Matrix (Red)
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Price: $25.86
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DFRobot Item #: DFR0488 -

DFRobot FireBeetle is a low-power consumption micro-controller intentionally designed for Internet of Things (IoT). This series micro-controllers aims at IoT node of low-power consumption, attending to build the IoT hardware platform quickly and conveniently. There are three types of FireBeetle, containing Boards (main control), Covers (expansion boards) and related Accessories. This 24×8 LED Matrix display is special designed for FireBeetle series. It supports low-power consumption mode...

FireBeetle Covers-24x8 LED Matrix (White)
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Price: $25.86
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DFRobot Item #: DFR0484 -

DFRobot FireBeetle is a low-power consumption micro-controller intentionally designed for Internet of Things (IoT). This series micro-controllers aims at IoT node of low-power consumption, attending to build the IoT hardware platform quickly and conveniently. There are three types of FireBeetle, containing Boards (main control), Covers (expansion boards) and related Accessories. This 24×8 LED Matrix display is special designed for FireBeetle series. It supports low-power consumption mode...

FireBeetle Covers-24x8 LED Matrix (Yellow)
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Price: $25.86
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DFRobot Item #: DFR0487 -

DFRobot FireBeetle is a low-power consumption micro-controller intentionally designed for Internet of Things (IoT). This series micro-controllers aims at IoT node of low-power consumption, attending to build the IoT hardware platform quickly and conveniently. There are three types of FireBeetle, containing Boards (main control), Covers (expansion boards) and related Accessories. This 24×8 LED Matrix display is special designed for FireBeetle series. It supports low-power consumption mode...

Gravity: Analog Flame Sensor For Arduino
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Price: $6.90
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DFRobot Item #: DFR0076 -

This Arduino 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. The Flame sensor has probe angle of 60 degrees, two M3 mounting holes is provided to install on various platforms. This arduino flame sensor's operating temperature is -25 degrees Celsius to...

Gravity: Bright LED Module
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Price: $4.31
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DFRobot Item #: DFR0438 -

The Bright LED module is designed for some special application. It&;#39;s using a very bright LED component as its light source. Compatible with DFRobot gravity 3-Pin interface, plug and play. What you need is just a digital signal, you can drive it directly. Besides, the LED is so bright that do not stare at the LED in case of any eye damaging!|Specification| Operating Voltage: 5VDC Opearting Current: 20mA (Max) Dimension: 30*22(mm)/ 1.18&;rdquo;*0.87&;rdquo;(in)|Documents| Product WIKI More...

Gravity: Digital Blue LED Light Module
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Price: $2.93
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DFRobot Item #: DFR0021-B -

This Blue LED light module has a shiny white color. It is ideal for Arduino starters. This module can be easy to be plugged on IO/Sensor expansion shield. NOTE: This LED is wired to light up when the Signal pin is set to low. The reason for this is to prevent the LED from demanding too much current from the microcontroller and damaging the I/O. If you wish to make this LED light up with a logic high, you can switch the Signal wire (Green) with the GND wire (Black) and the Voltage wire (Red) to...

Gravity: Digital Colorful Flashing LED Module
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Price: $3.36
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DFRobot Item #: DFR0474 -

Gravity Colorful LED is an LED twinkles with seven colors--the colors of rainbow.It is easy to light up the LED. Turn on the power, then the LED will light up without programming. The built-in controller controls the colors and duration randomly, which makes it shine like a colorful star. Moreover, the module supports cascade control, only one interface can control all LEDs. Gravity Colorful LED, simple but romantic, modest but tasteful. It is really an ideal light to create relaxed and...

Gravity: Digital Green LED Light Module
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Price: $2.93
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DFRobot Item #: DFR0021-G -

This green LED light module has a shiny white color. It is ideal for Arduino starter. This module can be easy to be plugged on IO/Sensor expansion shield. NOTE: This LED is wired to light up when the Signal pin is set to low. The reason for this is to prevent the LED from demanding too much current from the microcontroller and damaging the I/O. If you wish to make this LED light up with a logic high, you can switch the Signal wire (Green) with the GND wire (Black) and the Voltage wire (Red) to...

Gravity: Digital LED String Lights (Colorful) For Arduino
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Price: $17.07
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DFRobot Item #: DFR0439 -

These LED string lights are composed of a series of LEDs that have a colorful glow. They can be used as decorations and for other interesting applications. Use them as outdoor string lights, string lights in your bedroom, on your patio or on a globe. There are many applications, what can you think of? Note: Use the provided adapter to power the string to avoid risk of damage.To ease the difficult of using this sensor, a Gravity Interface is adapted to allow plug&play. The IO expansion shield...

Gravity: Digital Piranha LED Module-White
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Price: $4.48
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DFRobot Item #: DFR0031-W -

Piranha LED light module, and special sensors Arduino board and ambient light sensor extension combination, can be used in the interaction with the light works.When the LED light module connected to Arduino, the digital pin (LOW on, HIGH off) is used to control it. The brightness of LED can be controller via PWM output. |Specification| Voltage: +3.3-5V Pin Definition :1 - control 2 -GND 3 --- Power Weight: 5g|ShippingList| LED light module x1 Digital Cable (SKU:FIT0011) x1 ...

Gravity: Flexible 16x16 RGB LED Matrix
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Price: $136.18
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DFRobot Item #: DFR0463 -

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 addressed with RGB pixels that can achieve 256 levels of brightness. That’s 16777216 colors in total with a scanning...

Gravity:DIGITAL IR Transmitter Module
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Price: $6.72
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DFRobot Item #: DFR0095 -

An infrared transmitter is simply a Light Emitting Diode which generates IR light (invisible IR light)--light with a wavelength of between 1 mm and 750 nanometers, and some associated circuitry. In an infrared remote control, for example, pushing a button sends an electric signal to the LED, which converts the signal into a beam of infrared light. The receiving device detects the light with a photo diode and converts it to an electrical signal which, via an integrated circuit, controls its...

Gravity:Digital Piranha LED Module - Green
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Price: $4.48
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DFRobot Item #: DFR0031-G -

This is a Piranha LED light module. A digital pin (LOW on, HIGH off) is used to control it. The brightness of LED can be controller via PWM output. |Applications| DIY Projects Toys Games Audio indicator |Specification| Voltage: 3.3~5v Light color: Green High luminous output Luminous Intensity? 2500-3300mcd Wavelength: 520-530nm Compatible with IO Expansion shield Viewing angle: 80-110&;deg; Size: 30x20mm(1.18"x0.79") Weight: 5g Pin Definition Digital control pin (PWM) Power Supply GND...

Gravity:Digital piranha LED module-Blue
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Price: $7.29
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DFRobot Item #: DFR0031-B -

Piranha LED light module (Blue) , and special sensors Arduino board and ambient light sensor extension combination, can be used in the interaction with the light works.When the LED light module connected to Arduino, the digital pin (LOW on, HIGH off) is used to control it. The brightness of LED can be controller via PWM output. |Specification| Voltage: +3.3-5V Pin Definition :1 - control 2 -GND 3 --- Power Weight: 5g Color:Blue|ShippingList| LED light module-Blue x1 Digital Cable(SKU:FIT0011)...

Gravity:Digital Piranha LED Module-Red
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Price: $4.48
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DFRobot Item #: DFR0031-R -

Piranha LED light module (Red), and special sensors Arduino board and ambient light sensor extension combination, can be used in the interaction with the light works. When the LED light module connected to Arduino, the digital pin (LOW on, HIGH off) is used to control it. The brightness of LED can be controller via PWM output. |Specification| Voltage: +3.3-5V Pin Definition :1 - control 2 -GND 3 --- Power Weight: 5g Color:Red|ShippingList| LED light module-Red x1 Digital Cable (SKU:FIT0011) x1 ...

Gravity:Digital RED LED Light Module
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Price: $2.93
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DFRobot Item #: DFR0021-R -

This red LED light module has a shiny white color. It is ideal for Arduino starter. This module can be easy to be plugged on IO/Sensor expansion shield. NOTE: This LED is wired to light up when the Signal pin is set to low. The reason for this is to prevent the LED from demanding too much current from the microcontroller and damaging the I/O. If you wish to make this LED light up with a logic high, you can switch the Signal wire (Green) with the GND wire (Black) and the Voltage wire (Red) to...

Gravity:Digital White LED Light Module
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Price: $2.93
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DFRobot Item #: DFR0021-W -

This white LED light module has a shiny white color. It is ideal for Arduino starter. This module can be easy to be plugged on IO/Sensor expansion shield. |Specification| Type:Digital LED light module pin definition : (1) control terminal (2) power supply (3) ground|ShippingList| Sensor x1 Digital Sensor Cable (SKU:FIT0011? x1 ...

Infrared Remote Control
Price: $1.60
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Elecrow Item #: EL-COI03420I -

    With this cheap infrared controller, you can easily make remote control projects such as the Arduino IR Remote receiver thanks to the open-hardware community, there are also some IR libraries such the joshuajnoble IR library for you to make everything in your house to be remote-control. This remote control offer 21 buttons, we suggest you use this remote control with the IR reciever. Features Demension:84mmx39mm Buttons: 21 Distance:>8m Battery:3V Button Cell Wiki...

IR Receiver - SM0038
Price: $1.87
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Elecrow Item #: EL-WIW00381W -

    The SM0038 can almost receive all IR transmitter with 38kHz signals. The outputs can be easily decode by Arduino,You can find the example at the Arduino forum. Features Build-in amplifier and IR receiver Build-in PCM filter Low power consumption Wiki & External links SM0038 Datasheet ...

LED - SMD RGB (WS2812)
Price: $0.87
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Sparkfun Item #: COM-11821 -

"The WS2812 is an RGB LED with a WS2811 control IC built right into the LED. This really blew our minds to see the control IC of an individually addressable RGB LED was moved into the actual LED, so we wanted to offer this amazing product to you! They’re great when you need a lot of color from not a lot of board space, now more so than ever. Features: Viewing angle: 120 degrees Red: (620-630nm) @ 550-700mcd Green: (515-530nm) @ 1100-1400mcd Blue: (465-475nm) @ 200-400mcd Forward Voltage:...

LED Current Meter 10A (Blue)
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Price: $11.72
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DFRobot Item #: DFR0244-B -

This is a standard LED Current Meter 10A. It measures 0-9.99A with 2% accuracy. Best suitable for current display in the circuit.Just apply four wires without any extra circuit or components, it gives the reading straight away. Easy to use, and good company with robot application.It has three color to select, green/blue/red. Warnings: Please carefully follow the instructions for wiring. The power supply terminal and measurement terminal of this LED Current Meter are used common-ground...

LED Current Meter 10A (Green)
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Price: $11.72
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DFRobot Item #: DFR0244-G -

This is a standard LED Current Meter 10A. It measures 0-9.99A with 2% accuracy. Best suitable for current display in the circuit.Just apply four wires without any extra circuit or components, it gives the reading straight away. Easy to use, and good company with robot application.It has three color to select, green/blue/red.Warnings: Please carefully follow the instructions for wiring. The power supply terminal and measurement terminal of this LED Current Meter are used common-ground...

LED Current Meter 10A (Red)
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Price: $11.72
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DFRobot Item #: DFR0244-R -

This is a standard LED Current Meter 10A. It measures 0-9.99A with 2% accuracy. Best suitable for current display in the circuit.Just apply four wires without any extra circuit or components, it gives the reading straight away. Easy to use, and good company with robot application.It has three color to select, green/blue/red. Warnings: Please carefully follow the instructions for wiring. The power supply terminal and measurement terminal of this LED Current Meter are used common-ground...

LED Current Meter 50A (Green)
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Price: $12.41
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DFRobot Item #: DFR0245-G -

This is a standard LED Current Meter 50A. The biggest feature is that the LED Current Meter have reversed connection protection to prevent from being burnted out. It measures 0-50A with 2% error. Best suitable for current display in the circuit. Just apply four wires without any extra circuit or components, you will get the readings displayed straight away. Easy to use, and good company with robot applications. It has two color LED display to select, green/red. Warnings: Please carefully...

LED Current Meter 50A (Red)
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DFRobot Item #: DFR0245-R -

This is a standard LED Current Meter 50A. The biggest feature is that the LED Current Meter have reversed connection protection to prevent from being burnted out. It measures 0-50A with 2% error. Best suitable for current display in the circuit. Just apply four wires without any extra circuit or components, you will get the readings displayed straight away. Easy to use, and good company with robot applications. It has two color LED display to select, green/red. Warnings: Please carefully...

LED Light Bar - Red (SMD)
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Price: $6.87
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Sparkfun Item #: COM-12015 -

LED Light Bar - Red (SMD) Description: Want to make a 12 ft GPS wall clock? This is the perfect item to light it up! Even if that's not the project you are looking to build, these light bars pack quite a bit of light into three small red LED's and they are very easy to set up with no soldering required. The red LED Light Bar is a pre-packaged strip of 3 high-output LEDs powered by 12VDC. Each unit comes with a fully assembled and tested PCB with current limiting resistors,...

LED Matrix - Dual Color - Small
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Price: $8.61
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Sparkfun Item #: COM-00681 -

"LED Matrix with dual-color LEDs. This small matrix has both bright-red and bright-green LEDs built into one common cathode housing. Unit comes with a black finish and a opaque LED lenses. The picture does not quite do the matrix justice. The Red and Green LEDs are quite clear, and turning both on creates a nice yellow color. Dimensions: 0.275x1.25x1.25" Documents: Datasheet " ...

LED Matrix - Serial Interface - Red-Green-Blue
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Price: $104.25
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Sparkfun Item #: COM-00760 -

LED Matrix - Serial Interface - Red/Green/Blue Description: This is a large sized RGB LED Matrix with a backpack that has been designed to take SPI serial input and display any graphics you pass it. All the refreshing and communication control is taken care of by the backpack. It's even reprogrammable! 7 software selectable colors are available! Unit comes with a Red/Green/Blue LED Matrix assembled with a RGB Matrix Backpack Controller. Check out the LED Coffee Table tutorial! Documents:...

LED Voltage Meter (Blue)
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Price: $11.72
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DFRobot Item #: DFR0130-B -

This is a standalone DC voltage meter. It measures 3V-30V with 1% accuracy. Best suited for battery level display. Just apply two wires on the power without any extra circuit or components, it gives the reading straight away. Easy to use, and is a good company with robotic applications. Three colors options: green / blue / red. |Specification| Measure Voltage:3.0-30V DC Refresh Rate:2 Hz Accuracy:1%|ShippingList| LED Voltage Meter (Blue) x1 ...