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2.4GHz 6dBi Antenna with IPEX Connector
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Price: $8.45
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DFRobot Item #: FIT0505 -

This is an omni-directional antenna with an IPEX connector. Its working frequency is 2.4GHz which meets most requirements of Wi-Fi devices. With 6dBi high gain, it offers robust signal reception and transmission. It is ideal for use with a LattePanda single board computer|Specification| Frequency: 2.4 GHz Gain: 6dBi Cable Length: 15cm Interface: IPEX MHF1 Supports LattePanda Height: 170 mm/ 6.7 inches Weight: 18g|ShippingList| 2.4GHz 6dBi Antenna with IPEX connector x 1 ...

2.4GHz Antenna - Adhesive (U.FL Connector)
Price: $10.63
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Sparkfun Item #: WRL-11320 -

This adhesive, omni-directional antenna is perfect for situations when you're trying to get a signal out from a transmitter that you've jammed down into an enclosure. Operating on the 2.4GHz band, it works great for WiFi, Bluetooth or ZigBee. Just connect the antenna using the attached U.FL connector and then peel and stick! Features: Type: Omni-Directional Dual Frequency Range: 2300 to 3800MHz & 5150 to 5875MHz Impedance: 50 Ohm Maximum VSWR: 3 Typical Gain: 2(Max) dB 41 x 30mm, 350mm cable...

2.4GHz Ceramic Chip Antenna
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Price: $5.32
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Sparkfun Item #: WRL-00144 -

2.4GHz ceramic chip antennas. Very small antennas that work nicely with the Nordic ICs. Don't expect these little guys to perform as well as their ~2" rubber duck counter parts, but then again, these will squeeze onto* any* PCB layout. Features: 2.2x6.5mm Documents: chip-antenna-2.4ghz.pdf

2.4GHz Duck Antenna RP-SMA
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Price: $14.09
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Sparkfun Item #: WRL-00145 -

2.4GHz Duck Antenna 2.2dBi with Reverse Polarized - SMA RF connector. Perfect for prototyping with our RF ICs. 50 ohm impedance. 4" long. Not sure which RF connector you need on your antenna? Check out our RF Connector Guide Documents: Datasheet RF Connector Buying Guide ...

2.4GHz Duck Antenna RP-SMA - Large
Price: $17.96
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Sparkfun Item #: WRL-00558 -

Need range? 2.4GHz Large Duck Antenna 5dBi with Reverse Polarized - SMA RF connector. Perfect for prototyping with our RF ICs. 50 ohm impedance. This antenna mates nicely with the Reverse Polarized SMA Connector. Features: 0.5x7.7" Documents: Datasheet

2.4GHz U.FL Antenna - Panel Mount
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Price: $22.12
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Sparkfun Item #: WRL-16823 -

Duck antennas offer great range in a rugged option for wireless technologies. This 2.4GHz Antenna adds the ability to be directly panel-mounted. It plugs in through a 216mm cable with U.FL connector on the end. The Antenna itself is 105mm long. It works with most 2.4GHz technologies. Features: Omni-directional pattern Flexible main shaft Rugged & weatherized Integral 8.5" (216 mm) RG-174 coax cable or 1.32 mm coax (U.FL) Panel Mount to Pastic or Metal Enclosures Center Frequency:...

2.54 mm Arduino Male Pin Headers (Straight Black 10pcs)
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Price: $5.00
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DFRobot Item #: FIT0084 -

This is a blue colored 40 Pin 2.54 mm?0.1"? single row pin header strip from DFRobot. These 0.1" header strips are commonly used as low-cost Arduino connectors. The standard spacing allows use with solderless breadboards, perforated prototyping PCBs, female headers, and our premium and pre-crimped jumper wires. The single-row header strips can easily be snapped into smaller strips to fit your application. These colored pin headers will help you label pin rails depending on their function. We...

2.54mm Standard Computer/Circuit Board Shunts Short  Jumper Caps (100pcs Pack)
Price: $0.99
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Elecrow Item #: EL-CCC01505C -

Jumper Cap also known as short circuit block, which is an activity component consisted of the outer insulating plastics sphere and the inner conductive material. It is mainly used as a small switch for controlling the current on a circuit board, also can be used to connect two jumper pins just plug it on the jumper pin. In addition, we call it ?ON? if the jumper cap is button up the jumper pin and the current is passed, else called ?OFF? that the circuit is in off state. Specifications...

2004 20x4 Character LCD Module - Blue Backlight
Price: $13.19
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Elecrow Item #: EL-DLC02004A -

    An Easy to use LCD display that can display a max of 20x4 charactors.Using the very common Sumsang KS0066 parallel interface chipset which is equivalent of Hitachi HD44780. Specifications Overall dimensions: 98.0mm ? 60.0mm Connection: conductive tape Sight size: 76.0mm ? 26.0mm Interface: single row parallel port Point size: 0.55mm x 0.55mm Backlight type: EL / LED Character size: 29.5mm ? 47.5mm Display content: 20 characters ? 4 lines Character size: 29.5mm ?...

26Pin 2.54mm GPIO Cable For Raspberry Pi - 23CM
Price: $1.60
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Elecrow Item #: EL-PCW26254R -

    This GPIO Cable bridges your Pi with other PCB or breadboard so that you can use those Pi pins easily. It fits Pi's GPIO (general purpose input/output) which contains 26 sockets perfectly. You can send and receive high/low, 3v/5v and I2C/SPI data using the pins.     Also recommend you the T-Cobbler Breakout for Raspberry Pi and Basic Bread Board to breakout the Pi pins. Specification Interface: IDC26 Length: 23 mm      ...

2D Barcode Scanner Breakout
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Price: $103.58
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Sparkfun Item #: SPX-16441 -

The DYScan DE2120 is one of the coolest little barcode scanners we've ever seen. This tiny "scan engine" will read 20 different barcode symbologies — both 1D and 2D! This is achieved by using a camera coupled with on-board image processing to identify and decode everything from UPC codes to QR codes. The module also features two LEDs: one for illumination and one to project the red line that you're used to seeing from laser-based scanners. This breakout board makes it easy to explore all of...

2mm 10pin XBee Header
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Price: $1.68
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Sparkfun Item #: PRT-10112 -

This is a 10-pin header with 2mm pitch that mates with our XBee socket. It can be used for making 'dummy XBees' or anything else you want! **Note: **This item is sold singly, not in pairs. Documents: Datasheet

2mm 10pin XBee Socket
Price: $1.81
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Sparkfun Item #: PRT-08272 -

This is a 10-pin socket with 2mm pitch that mates with the popular XBee radio from Digi. Use this small part to avoid having to solder your precious radio to a PCB. You'll need two of these sockets to connect to all 20 pins on the XBee. These headers can also be cut to work with the RFID breakout board. Please Note: This item is sold singly, not in pairs. Documents: Datasheet ...

2mm 10pin XBee Socket
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Price: $1.47
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DFRobot Item #: FIT0158 -

This is a 10-pin socket with 2mm(0.08") pitch that mates with the popular XBee radio from Maxstream. Use this small part to avoid having to solder your precious radio to a PCB. You&;#39;ll need two of these sockets to connect to all 20 pins on the XBee.Please Note: This item is sold as a single side, not in pairs. |Specification| 2mm(0.08") 10pin Xbee compatible header|Documents| Datasheet?|ShippingList| 2mm(0.08") 10pin XBee Socket x1 ...

2mm 10pin XBee Socket - SMD
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Price: $1.77
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Sparkfun Item #: PRT-10030 -

This is a 10-pin socket with 2mm pitch that mates with the popular XBee radio from Digi. This is the SMD version that we are currently using on our shields and breakout boards. ****Note: ****This item is sold as each, not in pairs. Documents: Datasheet Dimensional Drawing ...

2WD miniQ Robot Chassis
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Price: $59.21
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DFRobot Item #: ROB0049 -

2WD miniQ robotic platform is especially designed for students and hobbyists. It's versatile and small, suitable for most indoors applications. It features high quality and powerful metal gear motors which make it a speedy robot. It is ideal for maze competition and educational courses, and is very easy to assemble, check out our assembly video below. Only requires 8 screws to get the job done and you can use our sample codes on our Wiki pages.If you are planning to get started building a...

2x2A DC Motor Shield for Arduino
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Price: $28.44
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DFRobot Item #: DRI0009 -

Arduino product family is a great learning platform for electronics, programming and robotics. But most projects at some point require mobility. This Arduino motor shield allows for motor control with Arduino right away. Stack up this shield on your controller and drive 2 DC motors with higher power requirements. Depending on the motor of choice, you can make it fast or handle a higher payload. This Arduino Motor Shield (2A) uses L298P chip which allow to drive two 7-12V DC motors with maximum...

2x3 Pin Shrouded Header
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Price: $2.66
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Sparkfun Item #: PRT-10877 -

Simple shrouded 6-pin connector. Good for preventing cable connection mishaps. Use for programming, data, power, or any other kind of connection. 2x3 pins on 0.1" centers. Documents: Datasheet

2x5 Pin IDC Ribbon Cable
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Price: $2.66
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Sparkfun Item #: PRT-08535 -

Simple IDC ribbon cable. Used for AVR programming, general communication, and all around handy-ness. Datasheet shows an incorrect length. Cable length is 6" Documents: Datasheet

2x5 Pin Shrouded Header
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Price: $2.66
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Sparkfun Item #: PRT-08506 -

Simple shrouded 10-pin connector. Good for preventing cable connection mishaps. Use for programming, data, power, or any other kind of connection. 2x5 pins on 0.1" centers. Documents: Datasheet

3 Axis Gyro-L3G4200D
Price: $22.71
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Elecrow Item #: EL-SMS34200D -

    This is a breakout board for the L3G4200D. the L3G4200D is a low-power three-axis angular rate sensor able to provide unprecedented stablility of zero rate level and sensitivity over temperature and time. It includes a sensing element and an IC interface capable of providing the measured angular rate to the external world through a digital interface (I2C/SPI).     The L3G4200D has a full scale of +/-250 / +/-500 / +/-2000 dps and is capable of...

3 Pin Crowtail Cable(5 PCS)
Price: $2.00
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Elecrow Item #: EL-CPC03043C -

A 3 pin Crowtail cable for connecting the modules with main control board. Sell at a low price with good quality. If you want to choose 4 pin cable please click here 4 Pin Crowtail Cable Specification Length?20.5cm Package list 3 Pin Crowtail Cable x 5 Wiki & External links ...

3 x 18650 Battery Holder with DC2.1 Power Jack
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Price: $4.14
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DFRobot Item #: FIT0539 -

The 18650 lithium battery is a commonly used lithium battery in electronic products. It is often used in batteries of laptop computers and power banks. 18650, which refers to a battery with a diameter of 18mm and a length of 65mm. This 3 x 18650 battery holder has inner connection in series, DC 2.1 power jack, standard 11.1V output. You can connect Arduino directly.|Features|ABS shellThe spring plate is nickel plated with stainless steel.The material structure is firm and durable.|Specification...

3-Axis Gyro/Accelerometer IC - MPU-6050
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Price: $25.35
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Sparkfun Item #: SEN-10937 -

The MPU-6050 is a serious little piece of motion processing tech! By combining a MEMS 3-axis gyroscope and a 3-axis accelerometer on the same silicon die together with an onboard Digital Motion Processor™ (DMP™) capable of processing complex 9-axis MotionFusion algorithms, the MPU-6050 does away with the cross-axis alignment problems that can creep up on discrete parts. The parts’ integrated 9-axis MotionFusion algorithms can even access external magnetometers or other sensors through an...

3-Axis MEMS Accelerometer - MMA8452Q
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Price: $5.32
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Sparkfun Item #: COM-10953 -

The MMA8452Q is a smart low-power, three-axis, capacitive MEMS accelerometer with 12 bits of resolution. This accelerometer is packed with embedded functions with flexible user programmable options, configurable to two interrupt pins. Embedded interrupt functions allow for overall power savings relieving the host processor from continuously polling data. The MMA8452Q has user selectable full scales of ±2g/±4g/±8g with high pass filtered data as well as non filtered data available real-time....

3-Wire LED Module 8 Digital (Arduino Compatible)
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DFRobot Item #: DFR0090 -

This is 8 digital bits serial LED display. It features a flick free display and 3-Wire interface which allows more than 2 modules can be serial linked. With our interface shield, this module can be plug and play. ?|Specification| Power Supply:5V Digital Bits: 8 LED Color: Red Interface:SPI Other:More than 2 module can be serial connected Size:122x20x12mm(4.8x0.8x0.5'')|Documents| Wiki Doc|ShippingList| ?8 digital bits serial LED display x1 ...

3-wire Serial LCD Module (Arduino Compatible)
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Price: $36.29
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DFRobot Item #: DFR0091 -

This LCD module uses a 128x64 liquid crystal display that support Chinese character, English characters and even graphics. It is suitable for interactive work with Arduino.It features a backlit control, pallerlel or serial control, contrast adjust. It can be connect to our interface shield for arduino via IDC6 socket and Cable for Shiftout.The LCD is shipped in Pallelel mode in default. The R9 is used to set the interface mode. To switch to SPI mode, the R9 resistor need to be moved to...

3.7V 400mAh 25C Lipo Battery
Price: $15.23
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HobbyKing Item #: MK-451000064-0 -

A tiny 3.7V 400mAh 25C Lipo Battery - handy for those little projects.Spec.Capacity: 400mAhConfiguration: 1S / 3.7v / 1CellCell Weight: 10.8g

3D Gesture Sensor (Mini) For Arduino
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DFRobot Item #: SEN0202 -

The DFRobot 3D gesture sensor is an interactive sensor that integrates 3D gesture recognition and motion tracking. This gesture sensor can be used to detect clockwise/counterclockwise rotation and movement directions.The gesture sensor is designed based on Microchip patent GestIC® technology, using electric near field sensing technology, including 3D gesture input sensing system and advanced 3D signal processing unit. The effective detection range is 0-10cm. This gesture sensor can be...

3D Printer Extruder Nozzle Drill Cleaner 0.2/0.3/0.35/0.4/0.5
Price: $26.48
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Elecrow Item #: EL-P3D0102DC -

    Many of you don't like the nozzle clogs and blocks when you are a 3D printer owner. Every extruder nozzle must be cleaned out from time to time. These nozzles are very difficult to clean properly. Never mind. We have an effective weapon to deal with it?a drill cleaner. These Micro-drill bit Extruder Nozzle Cleaners are an essential item for you. The drills are hard and thin enough to get into the nozzle and extract the blocked filament. There are 5 types of drills of 0.2mm 0.3mm,...

3D Printer Heater 19V@38W
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Price: $11.03
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DFRobot Item #: FIT0282 -

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 ...

3D Printer The Z Axis Stepper Motor Lead Screw 300MM Lead Screw
Price: $91.04
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Elecrow Item #: EL-P3D0123STL -

    This is 3D Printer Z Axis Screw Stepper Motor. Features Screw : M8 Diameter: 8mm Screw length : 300MM Model: 17HD40005-300N Step angle: 1.8? Rated voltage: 2.4V Rated current: 1.5A Phase resistance: 1.5? Rotor inertia: 57g.cm2 Phase resistance: 1.5? Rotor inertia: 57g.cm2 Height of motor: 4.2cm ...

3D Printing Cleaning Filament 100grams 2.85mm (3.0mm Compatible)
Price: $9.95
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MK-Filament Item #: MK-Cleaning300 -

Cleaning Filament is valuable when transitioning between filaments that require different printing temperatures or have very different colours. Cleaning Filament cannot be used to create objects, instead it is a complementary filament to properly maintain your 3D printer.You can use Cleaning Filament to purge the tool head of your 3D printer when going from a high temperature filament to a lower temperature filament, or when transitioning from a dark colour filament to a light colour filament....

3D Printing Removal Tool
Price: $9.99
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MK-Misc Item #: MK-3DTool -

3D Printing Removal ToolFully polished high quality carbon steel, flexible blade, full tang & comfort grip handle.Used for easily removing your print jobs off the printer bedErgonomic handle for comfort gripFlexible blade

3mm Green LED - 10Pcs
Price: $0.53
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Elecrow Item #: EL-CLL30001G -

    LEDs - Basic electronic parts. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. This is a very standard green LED. The lens is 3mm in diameter, and is diffused. 10pcs per pack. Specification Diameter : 3mm Voltage : 2.5-3.2V Current : 5mA - 18mA Wavelength : 610nm - 625nm      ...

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 ...

3mm LED Dual Color - Red/Green Common Cathode(5Pcs)
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Price: $2.09
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Elecrow Item #: EL-CLB30003B -

    This red and green dual color led have 3 pins - Cathode is the longest pin, and the other 2 pins for each color. This LED can be used as two status indicators. Of course you can also adjust the lightness of each color, with PWM, to make this LED other color such Yellow.  The lens of this dual color LED is 3mm in diameter. 5pcs per pack.           ...

3mm Pipe for Pump
Price: $1.99
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Elecrow Item #: EL-AMS04010A -

This pipe is for the water pump or air pump, use this pipe to make your water system for you fish tank or automatic watering for your plants? Specification Length: 1m; Outside Diameter: 6mm; Inside Diameter: 3mm; Thickness: 1mm ...

3mm Super Bright LED - Green(10Pcs)
Price: $0.93
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Elecrow Item #: EL-CLS30002G -

Description These are very bright LEDs, the lens of this super bright green LED is 3mm in diameter. 10pcs per pack. Specification Diameter : 3mm Voltage : 2.5-3.2VCurrent : 5mA - 7.5mA      ...

3mm Super Bright LED - Red(10Pcs)
Price: $1.17
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Elecrow Item #: EL-CLS30002R -

Description These are very bright LEDs, the lens of this super Bright Red LED is 3mm in diameter. 10pcs per pack. Specification Diameter : 3mm Voltage : 1.8-2.2V Current : 5mA - 17.5mA      ...

3Pin Dual-Female Jumper Wire - 200mm (5pcs pack)
Price: $2.38
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Elecrow Item #: EL-PCW20031 -

    This is 200mm long 3pin 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. The pack include 5pcs of this cable.

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...

3W mini audio stereo amplifier
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Price: $10.17
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DFRobot Item #: DFR0119 -

This is a mini stereo amplifier. It is a fully functional, two-channel audio amplifier, with an integrated sleep mode function. You can disable it on your sketch if you are not using it or not needed by connecting the sleep pin on your board. It&;lsquo;s specially good for some DIY project.|Specification| Power Supply: DC 3.6-5.5V (DO NOT apply over 5.5V, it damage the chip presently) Output power: 3w+3w (4 ohms) Efficiency: &;gt;90% Size: 15.5*24mm (0.6*0.94&;#39;&;#39;)|Documents| Wiki Doc...

4 Channel Relay Shield for Arduino
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Price: $24.12
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DFRobot Item #: DFR0144 -

This Relay Shield for Arduino acts like a switch. It is commonly used to control anything over 5V such as lamps, water pumps and garage doors. One of the most interesting projects for your boards is perhaps being able to control High power devices like Lamps, water pumps, garage doors and so on. But interfacing with high power and AC is quite a dangerous task when building the circuitry. Relays allow for interfacing an external electrical circuit like a switch. With relays you can now connect...

4 Channels IR Reflective Sensor
Price: $7.52
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Elecrow Item #: EL-SPS40201S -

Description This 4 channels IR reflective sensor includes 4 IR sensors and mainboard to handle all the signals. Each IR reflective sensor is composed of an IR emitter and a receiver, if something is in the measuring range, the sensor would outputs related signal. There are also 4 potentiometers on the mainboard so that the measuring range can be adjusted as you wish. Application Idea Smart car; Line and edge following; omni-directional detecting; On-board indicator; Specification Supply...

4 Pin Crowtail Cable(5 PCS)
Price: $2.25
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Elecrow Item #: EL-CPC03044C -

A 4 pin Crowtail cable for connecting the modules with main control board. Sell at a low price with good quality. If you want to choose 3 pin cable please click here 3 Pin Crowtail Cable Specification Length?20.5cm Package list 4 Pin Crowtail Cable x 5 Wiki & External links ...

4-Soldering Light Chaser Beam Robot Kit
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Price: $25.69
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DFRobot Item #: TOY0060 -

Meet Mr. NEON, the light chaser beam robot that can help kids or novice electronic enthusiasts learn about things like soldering and simple knowledge of circuit. Mr NEON is designed to look like a three-leg monster whose eyes or tentacles glow in accordance with ambient light level. The stronger the light is, the faster it moves. There is no programming involved and all soldering is intuitive and rookie-friendly. So it is perfect for novice electronic enthusiast. Also you can give Mr NEON...

4-Soldering Zoo Animal Kit
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Price: $29.22
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DFRobot Item #: TOY0055 -

This DIY soldering kit contains everything you need to create simple circuits with minimum level electronics and soldering. Kids will be introduced to basics of circuit, soldering and take the opportunity to play with LEDs, battery and bring these animals to life!It&;#39;s simple and fun, grab one panda from this kit of six zoo animals and solder a LED and battery box on the back, it then starts blinking immediately. You can place them in your paper zoo or pin them anywhere you like. You can...