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7-Segment Display - 20mm (White)
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Price: $5.42
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Sparkfun Item #: COM-11409 -

For a long time we've had small 7-segment displays and *huge *7-segment displays, but now we finally have something in between. These 20mm 4-digit 7-segment displays are big enough to see from a distance but not so big that you'd have trouble finding an enclosure for them. These common-cathode displays feature 4 x 7-segment digits and one decimal point per digit. The LEDs have a forward voltage of 1.9VDC and a max forward current of 20mA. Features: 71.6 x 25.7mm Documents: Datasheet ...

7-Segment Display - 4-Digit (Blue)
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Price: $5.25
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Sparkfun Item #: COM-09481 -

This is a basic, 4-digit 7-segment display - blue in color. It has a common anode. The display features one decimal point per digit, and individually controllable apostrophe and colon points. The LEDs have a forward voltage of 3.4VDC and a max forward current of 20mA. The hardware interface is sixteen (two rows of eight) through-hole pins. We carry this same display in red, green, and yellow. Features: Overall Display: 40.18 x 12.8 mm (1.58 x 0.50") Digit Height: 10mm (0.39") Documents:...

7-Segment Display - 4-Digit (Kelly Green)
Price: $4.06
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Sparkfun Item #: COM-09482 -

This is a basic, 4-digit 7-segment display - green in color. It has a common anode. The display features one decimal point per digit, and individually controllable apostrophe and colon points. The LEDs have a forward voltage of 2.1VDC and a max forward current of 20mA. The hardware interface is sixteen (two rows of eight) through-hole pins. We carry this same display in red, yellow, and blue. Features: Overall Display: 40.18 x 12.8 mm (1.58 x 0.50") Digit Height: 10mm (0.39") Documents:...

7-Segment Display - 4-Digit (Red)
Price: $4.06
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Sparkfun Item #: COM-09483 -

This is a basic, 4-digit 7-segment display - red in color. It has a common anode. The display features one decimal point per digit, and individually controllable apostrophe and colon points. The LEDs have a forward voltage of 2.1VDC and a max forward current of 20mA. The hardware interface is sixteen (two rows of eight) through-hole pins. We carry this same display in yellow, green, and blue. Features: Overall Display: 40.18 x 12.8 mm (1.58 x 0.50") Digit Height: 10mm (0.39") Documents:...

7-Segment Display - 4-Digit (White)
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Price: $5.25
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Sparkfun Item #: COM-10931 -

This is a basic, 4-digit 7-segment display - white in color. It has a common anode. The display features one decimal point per digit, and individually controllable apostrophe and colon points. The LEDs have a forward voltage of 1.9VDC and a max forward current of 20mA. The hardware interface is sixteen (two rows of eight) through-hole pins The datasheet for this device says "blue" but that's because the white display is simply a blue display with a colored film over it. We carry this same...

7-Segment Display - 4-Digit (Yellow)
Price: $4.06
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Sparkfun Item #: COM-09480 -

This is a basic, 4-digit 7-segment display - yellow in color. It has a common anode. The display features one decimal point per digit, and individually controllable apostrophe and colon points. The LEDs have a forward voltage of 2.1VDC and a max forward current of 20mA. The hardware interface is sixteen (two rows of eight) through-hole pins. We carry this same display in red, green, and blue. Features: Overall Display: 40.18 x 12.8 mm (1.58 x 0.50") Digit Height: 10mm (0.39") Documents:...

7-Segment Display - 6.5" (Red)
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Price: $31.58
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Sparkfun Item #: COM-08530 -

No really - it's 6 inches (153mm) tall! This very large 7-segment display can be seen from a hundred feet away. So many projects to try, so little time... As dictated by the display datasheet, each segment must be limited to 20mA. To use this display you will need a 12V supply and current limiting resistors on each segment. Your power supply should be rated for a minimum of 160mA for each digit in your overall display. For example, a 4 digit display will work nicely with a 12V/1A supply....

7-Segment Display - LED (Blue)
Price: $3.52
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Sparkfun Item #: COM-09191 -

Your basic 7-segment LED, but in blue! Common anode. Two decimal points, but only the one on the right is wired. Digit height is 0.6". Overall height is 1". Check out this tutorial on how to use this product with the 74HC595 Shift Register and Arduino. Thanks Patrick and Mycha! Documents: Datasheet Arduino Library (Thanks Derek!) ...

7-Segment Display - LED (Red)
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Price: $2.00
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Sparkfun Item #: COM-08546 -

Your basic 7-segment LED. Common anode. Two decimal points, but only the one on the right is wired. Digit height is 0.6". Overall height is 1" Documents: Datasheet Arduino Library (Thanks Derek!)

7.4V USB Charger
Price: $5.96
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HobbyKing Item #: MK-774000001-0 -

A nifty USB charger for 7.4V 2S LiPoly batteries. Charges via a USB port to the balance lead on the battery.Specs:Input Voltage: 5VDC (USB Port)Output Voltage: 4.2VDC x 2Charge Plug: JST-XHWeight: 20g

72W DC-DC Converter 12V@6A
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Price: $46.54
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DFRobot Item #: FIT0145 -

This is a waterproof DC-DC converter. With 8-40V DC input, it converts to 12V@6A which is ideal supply for embedded PC and robot power.|Specification| Input Range: 8 - 40 V/DC Output Voltage: 12 V/DC Output Current: 6A Size: 71*73*28(mm)/2.80inches * 2.87inches * 1.1inches) Waterproof ,Light compact Switching mode power supply Non-isolated Efficiency: 82~88%; Ambient temperature at -10 ? ~ 45 ?.|ShippingList| 72W DC-DC Converter x1 ...

7Pin Dual-Female Jumper Wire - 200mm
Price: $1.19
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Elecrow Item #: EL-PCW20071 -

    This is 200mm long 7pin female to female jumper wire which uses high quality 26# line. Great for jumping from board to board. These are simple jumper wires used on standard 2.54mm(0.1") breakaway headers.

8 Channel IoT Ethernet Relay Controller (Support PoE and RS485)
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Price: $137.74
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DFRobot Item #: DFR0290 -

The RLY-8 is a network relay controller with open source communication protocol. It integrates 8 channel relays and each relay is able to stand 277VAC-10A or 125VAC-12A power. Since most of the household appliances are under 250VAC, this means you can use the RLY-8 relay almost everywhere!The RLY-8 uses a STM32 microcontroller. It supports 2 types of power supply: Wall adapter or PoE (Power over Ethernet)(PoE) power supply. You can reduce its connection cable via PoE power supply. In addition,...

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...

868MHz European LoRa Antenna RP-SMA - 1/2 Wave 2dBi (DiPole, 810-910MHz)
Price: $16.58
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Sparkfun Item #: WRL-18083 -

Increase your range with this 1/2 wave duck antenna for the European LoRa band. Designed for 810-910 MHz (868MHz center frequency) it is ideal for distant LoRa nodes. Utilizes an RP-SMA connector and is 200mm long with a gain of 2dBi. Documents: Dimensional Drawing

868MHz European LoRa Antenna RP-SMA - 1/4 Wave 2dBi
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Price: $13.25
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Sparkfun Item #: WRL-18082 -

This is a small 1/4 wave rubber duck antenna for (European band) LoRa or other 868MHz communication. Antenna has a center frequency of 868MHz and utilizes an RP-SMA connector. Gain is 2dBi with an overall length of 105mm. Documents: Dimensional Drawing

8BitDo Lite Bluetooth Gamepad - Blue
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Price: $43.33
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Sparkfun Item #: WIG-17266 -

The blue 8BitDo Lite Bluetooth Gamepad is an ultra-portable controller made for 2D games & more. Beyond the compatibility for Windows Machines, Steam, Switch, and Raspberry Pi. The 8BitDo Lite provides an easy-to-interface controller for your Bluetooth® enabled robotics projects. The controller features dual D-pads and an assortment of other assignable buttons. 8Bitdo controllers are designed to be as versatile as possible with each of your modern devices. Easily pair your controller as an...

8BitDo Lite Bluetooth Gamepad - Yellow
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Price: $43.33
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Sparkfun Item #: WIG-17265 -

The yellow 8BitDo Lite Bluetooth Gamepad is an ultra-portable controller made for 2D games & more. Beyond the compatibility for Windows Machines, Steam, Switch, and Raspberry Pi. The 8BitDo Lite provides an easy-to-interface controller for your Bluetooth® enabled robotics projects. The controller features dual D-pads and an assortment of other assignable buttons. 8Bitdo controllers are designed to be as versatile as possible with each of your modern devices. Easily pair your controller as an...

8BitDo SN30 Pro Bluetooth Gamepad
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Price: $75.83
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Sparkfun Item #: WIG-17264 -

The 8BitDo SN30 Pro Bluetooth Gamepad is the worlds first, fully featured retro controller. It boasts a full button set with clickable joysticks, rumble vibration, motion controls, wireless Bluetooth®, rechargeable battery, home and screen shot buttons, and a USB-C connector. Not to mention a proper d-pad. The 8BitDo SN30 Pro provides an easy-to-interface controller for your Bluetooth enabled robotics projects. 8Bitdo controllers are designed to be as versatile as possible with each of your...

8mm Aluminum Timing Pulley For 3D Printer (2 pcs)
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Price: $17.07
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DFRobot Item #: FIT0234 -

This is an 20 tooth timing pulley with a center diameter of 8mm (0.31"). These pullies are great for many mechanical projects. They are also very commonly used in 3D printers. |Specification| Tooth: 20 inner diameter: 8mm (0.31") Teeth diameter: 12.5mm (0.49") Teeth Width: 6.8mm (0.27") Outer diameter: 15 mm (0.59") Fastening screws: M3 x2 |ShippingList| 20 Tooth MXL 8mm x2 M4 embedded screw x4 ...

8Pin Dual-Female Jumper Wire - 200mm
Price: $1.39
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Elecrow Item #: EL-PCW20081 -

    This is 200mm long 8pin female to female jumper wire which uses high quality 26# line. Great for jumping from board to board. These are simple jumper wires used on standard 2.54mm(0.1") breakaway headers.

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...

9 Degrees of Freedom - MPU-9150 Breakout
Price: $60.78
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Sparkfun Item #: SEN-11486 -

9 Degrees of Freedom - MPU-9150 Breakout Description: The MPU-9150 is the world’s first 9-axis MotionTracking device designed for the low power, low cost, and high performance requirements of consumer electronics equipment including smartphones, tablets and wearable sensors. And guess what? You get to play with it. This breakout board makes it easy to prototype with the InvenSense MPU-9150 by breaking out all the pins you need to standard 0.1" spaced headers. The board...

9 Pin Female Serial Connector - PCB Mount
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Price: $3.13
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Sparkfun Item #: PRT-00429 -

DB9 female header - right angle PCB mount. 0.318" Style. Documents: Datasheet

900/1800MHz Dual Frequency Duck Antenna RP-SMA
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Price: $13.25
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Sparkfun Item #: WRL-09143 -

900/1800 MHz Duck Antenna 2dBi with regular RP-SMA RF connector. Perfect for use with the XBee 900MHz units. 50 ohm impedance. 105mm long. Be sure to pick the antenna with the right connector. Almost all 2.4GHz and 915MHz antennas need to be RP-SMA. See our SMA Connector tutorial for a good visual aid. Documents: Datasheet

915MHz LoRa Antenna RP-SMA - 1/2 Wave 2dBi
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Price: $13.25
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Sparkfun Item #: WRL-14876 -

Increase your range with this 1/2 wave duck antenna. Designed for 860 to 960MHz it is ideal for distant LoRa nodes. Utilizes an RP-SMA connector and is 200mm long. Documents: 915MHz 1/2 Wave RP-SMA Antenna Datasheet

915MHz LoRa Antenna RP-SMA - 1/4 Wave 2dBi
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Price: $14.92
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Sparkfun Item #: WRL-14875 -

A small 1/4 wave rubber duck antenna for LoRa or other 860-960MHz communication. Antenna has a center frequency of 915MHz and utilizes an RP-SMA connector. Gain is 2dBi with an overall length of 110mm.

9g Metal Gear Micro Servo (1.8Kg )
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Price: $10.17
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DFRobot Item #: SER0039 -

Do you need a servo for a tiny little project? Or are you seeking for an affordable solution? This mini metal servo is quite impressive, it does quite the job for a large range of tasks. With metal gear, it could gives you a 1.8kg*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 should be considering some of our other options. This servo is for you if you are planning on building smaller size...

9g micro servo (1.6kg)
Price: $6.03
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DFRobot Item #: SER0006 -

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 should be considering some of our other options. This servo is for you if you are planning on building smaller size robots....

9Pin Dual-Female Jumper Wire - 200mm
Price: $1.09
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Elecrow Item #: EL-PCW20091 -

    This is 200mm long 9pin female to female jumper wire which uses high quality 26# line. Great for jumping from board to board. These are simple jumper wires used on standard 2.54mm(0.1") breakaway headers.

9V Alkaline Battery
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Price: $3.75
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Sparkfun Item #: PRT-10218 -

These are your standard 9 Volt alkaline batteries from Rayovac. Don't even think about trying to recharge these. Use them with Arduinos or with a voltage regulator to get a solid 5V for your project. Check below for 9V connectors. Note: This item is non-returnable. If this item arrives damaged or is not functioning properly, please do not hesitate to contact us to see if further actions may be taken.

9V Battery DC Jack
Price: $0.67
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Elecrow Item #: EL-PSB00901B -

    This adapter consists of a 9V battery clip and a standard 5.5*2.1mm center positive barrel jack, it applied to power any device such as Arduino Uno, that needs 9V input voltage and has on-board barrel jack.      ...

9V Battery Holder
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Price: $5.00
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Sparkfun Item #: PRT-10512 -

This 9V battery holder allows your battery to snap in tight and holds it in place, which is great in situations where you don't want the battery just hanging. It also has three mounting holes so you can attach it securely to your enclosure. It is terminated with a standard 5.5x2.1mm, center-positive barrel jack.

9V Snap Connector
Price: $2.25
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Sparkfun Item #: PRT-00091 -

Classic 9V snap connector terminated with 2-pin polarized Molex connector with 0.1" spacing. The cable is 26AWG and is 5" in length.

9V Snap Connector
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Price: $0.67
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DFRobot Item #: FIT0111 -

Classic 9V connector terminated with 2-pin polarized Molex connector. 15cm in length. To supply the power to Arduino, we recommend the DC Power Jack, please refer the picture below. This picture is just for illustration purpose only.|ShippingList| 9v snap connector x1 ...

9V to Barrel Jack Adapter
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Price: $2.59
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DFRobot Item #: FIT0131 -

This simple cable has so many uses! 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 Jack Adapter x1

9V to Barrel Jack Adapter
Price: $5.32
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Sparkfun Item #: PRT-09518 -

This simple cable has so many uses! Plug the 9 volt battery clip onto a standard 9V battery 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! ...

9V to Barrel Jack Adapter V2
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Price: $2.93
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DFRobot Item #: FIT0043 -

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...

A short U-bracket
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Price: $3.28
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DFRobot Item #: FIT0039 -

This is a high quality aluminum servo bracket (short), available in black anodized. Works great with our Multi-Purpose Servo Bracket.|Documents| Mechanical Drawing|ShippingList| Short U-bracket x1

ABS Filament 3mm - 1kg (Black)
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Price: $96.95
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Sparkfun Item #: TOL-12954 -

This is a 1kg (2.2lb) reel of 3mm black ABS (acrylonitrile butadiene styrene) plastic filament for 3D printing. ABS is a great general purpose filament with high strength and good print quality. ABS is one of the most popular 3D printing materials available due to its strength and ease of printing. This filament is an incredibly durable plastic that can be used in prototypes or even the parts found on your TAZ 3D printer! ABS prints can be sanded or smoothed using an advanced technique with...

Accessory Shield for Arduino
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Price: $43.18
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DFRobot Item #: DFR0270 -

This Accessory Shield for Bluno is specially designed for Bluno (BLE with Arduino Uno), which is first of its kind in intergrating BT 4.0(BLE) module into Arduino Uno. It also compatible with standard Arduino Uno. With Bluno, this Accessory Shield forms an ideal prototyping platform for both software and hardware developers to go wireless. You will be able to develop your own smart bracelet, smart pedometer, etc. It's a low-power, real-time low energy communication perfect for embedded...

Acrylic Case for LattePanda - Cooling Fan Compatible!
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Price: $12.93
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DFRobot Item #: FIT0474 -

This acrylic case is a solid enclosure for your LattePanda single board computer. It protects the board from ESD damage and the transparent acrylic lets you view the indicator LEDs directly. There is easy access to USB, HDMI, SD and GPIO and antenna. The design has been revised so that it can accommodate the LattePanda cooling fan kit. There is also plenty of room for mounting heatsinks to the CPU directly if you wish. Assembly is simple and printed assembly instructions are included. The...

Acrylic Enclosure Kit_A for Raspberry Pi B+
Price: $10.02
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Elecrow Item #: EL-RA000078AA -

Keep your Raspberry Pi computer safe and sound in this lovely clear acrylic enclosure. This enclosure is special designed for the Raspberry Pi Model B+. It comes as 6 pieces of acrylic boards and some other modules such DC fan, heat sink and even screwdriver, to help user better experience with the Raspberry Pi Model B+.     This ingenious design has no screws or standoffs and there are cute little feet cut into the sides so that it stands up above your desk. There are...

Acrylic Romeo Base - Star
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Price: $2.67
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DFRobot Item #: DWG0004-S -

Last month, We released the UNO Base. A beautiful acrylic base for Arduino UNO. It&;#39;s a nice gift for my UNO baby. It&;#39;s a nice shoe, a good protection, an eye-catching killer. Then my UNO is extremely different to others. This time we offer more choise for the Xboard Relay and Romeo. Transparent acrylic panels looks crystal clear and clean. Two different choise for different hobbies. The basic version is a atable base and the special version is more eye-catching. My girl friend has...

Acrylic UNO Base
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Price: $2.59
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DFRobot Item #: DWG0003 -

Arduino UNO is a very popular product, many makers to use it to build their own project.Last week, our beautiful girl engineer suddenly blurting: "If it has a nice base and this stick ah!", Let's make it! "We compared a variety of different colors and materials, after repeated screening, and ultimately to select it: 68% transmittance, milky white, double-sided frosted acrylic panels?Made in Germany? High precision laser cutting and high-quality raw materials to produce this beautiful base.It...

Acrylic Xboard Relay Base - Universe
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Price: $2.07
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DFRobot Item #: DWG0005-U -

Last month, We released the UNO Base. A beautiful acrylic base for Arduino UNO (similar as DFRduino UNO). It's a nice gift for my UNO baby. It's a nice shoe, a good protection, an eye-catching killer. Then my UNO is extremely different to others. This time we offer more choise for the Xboard Relay and Romeo - an Arduino Robot Control Board. Transparent acrylic panels looks crystal clear and clean. Two different choise for different hobbies. The basic version is a atable base and the special...

Actuonix PQ12-100-6-R Micro-Actuator
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Price: $145.73
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Sparkfun Item #: ROB-18591 -

The PQ12 series of micro linear actuators are ideal for applications requiring precise positioning and compact size. Weighing in at just 22 grams, the PQ12 is incredibly light as well as compact. The affordably-priced PQ12 is the most powerful actuator of it's size. This is why it has become a popular choice for OEM manufacturers as well as Arduino and RC hobbyists. Some industries where the PQ12 are in use include: prosthetics, robotics, medical, simulation. The PQ12-R series of linear servos...

Adaptor Wire For EL Shield(4pcs pack)
Price: $1.17
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Elecrow Item #: EL-ACS10100EL -

Adaptor wire special designed for the Elecrow 8-channel EL Shield, to connect the standard EL modules such as EL wire and tape to the EL Shield.SpecificationsConnector: JST2.0Length: 10cm