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NFC Shield
Price: $45.50
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Elecrow Item #: EL-ACS53201S -

NFC(Near Field Communication) is a set of standards for smartphones and similar devices to establish radio communication with each other by touching them together or bringing them into close proximity , it builds upon RFID systems by allowing two-way communication between endpoints. Compared with the Bluetooth, which is also short-range communication technology, NFC operates at slower speeds, but consumes far less power and doesn’t require pairing. This NFC shield based on the PN532 from...

6 in 1 Screwdriver Tool Set for Mobile Device
Price: $8.17
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Elecrow Item #: EL-THT06019T -

This 6 in 1 Screwdriver Tool Set is ideal for the preservation and maintenance of precise work and some optics facilities, such as precise watches, mobile phones, televisions, PDA,PC and other applications. This set coming with 6pcs multi size bits can be also fit most phones in the market.Features0.8mm bit Pentalobe screwdriver for the screws of iPhone 4/4S,iPhone 5 bottom cover/case T5 bit Screwdriver for the screws of Motorola and Nokia T6 bit Screwdriver for the screws of Motorola and...

3mm Pipe for Pump
Price: $2.29
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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\u0103\u20ac\u201aSpecificationLength: 1m;Outside Diameter: 6mm; Inside Diameter: 3mm;Thickness: 1mm ...

40Pin Bend Male Header - 2.54mm (5 Pcs Pack)
Price: $3.50
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Elecrow Item #: EL-CCO24001C -

This is a pack which includes 5pcs 40pin bend break away male headers. They have 2.54mm spacing between pins and can be cut to any size.SpecificationPin Pitch: 2.54mmContact Qty: 40Contact Length: 6.3cmContact Type: Bend

HR202 Humidity Sensor Module
Price: $5.79
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Elecrow Item #: EL-SEHR202H -

The HR202 Humidity Sensor Module \xa0can be applied to the storage compartment, indoor air quality control, building automation, medical, industrial control systems wide range of applications and research fields. Easy to interface with your microcontroller Specification Working voltage: 3.3V to 5VDigital output and you can change when to output 1 and 0.The current of output signal can exceed 15mA PCB\tDimension: 3.2cm X 1.4cm Wiki & External links Datasheet of HR202 Resistive humidity sensor ...

Luminosity Sensor- TSL2561 Breakout
Price: $9.15
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Elecrow Item #: EL-SM2561TSL -

The TSL2561 Luminosity Sensor Breakout is a sophisticated light sensor which has a flat response across most of the visible spectrum. Unlike simpler sensors, the TSL2561 measures both infrared and visible light to better approximate the response of the human eye. And because the TSL2561 is an integrating sensor (it soaks up light for a predetermined amount of time), it is capable of measuring both small and large amounts of light by changing the integration time. The TSL2561 is capable of...

Battery Holder with Switch - 2 x AA
Price: $1.17
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Elecrow Item #: EL-PSB00202B -

The 4 x AA Battery Holder with Switch puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover which is secured with a small phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project. The leads are about 145mm, and the last 5mm of them are tinned. It is series connection.Specification2 AA batteriesWith a cover and fixed screwWith a ON/OFF switch ...

4-Chanel 5V-3V Logic Convertor
Price: $5.79
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Elecrow Item #: EL-PPB453LC -

This moduleis a 4-Chanel 5V-3V logic convertor that convert the 5V logic communication to 3V and vice versa. It is the bridge of communication between 3V logic device and 5V logic device. For example, if the Uno communicate with your sensor via I2C protocal, but your Arduino Uno is working in 5V logic while you sensor works in 3.3V logic, you can use this convertor to make the communication stable.FeaturesFour MOSFET to realize four road 3 v and 5 v Logic ConvertePower input protection meter,...

1/2" Solenoid Valve DC12v
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Price: $12.83
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Elecrow Item #: EL-ATS04220D -

This solenoid valve helps users control the flow of water(gas;oil). It would make a great addition to the robotic gardening projects. Normally, the valve is closed. When 12VDC is applied to the two terminals, the valve opens and water can push through. Notice that the liquid can only flow one direction. The product performance stability, durable, safe, reliable and high sensitivity.FeaturesThe use of the environment is not more than 2500 meters above sea levelThe working medium temperature 0...

ATmega328 with Arduino Optiboot (Uno)
Price: $8.87
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Elecrow Item #: EL-AAM328AT -

This is a ATmega328 IC in DIP package, pre-loaded with the Arduino Optiboot (Uno 16MHz) Bootloader. This will allow you to use Arduino code in your custom embedded project without having to use an actual Arduino board. To get this chip works, you will need an external 16MHz crystal or resonator, and a 5V power supply to create the minimum Arduino system. If you are not comfortable doing this, we recommend you purchasing the Crowduino board that has all of these built into the board.Download&...

3mm Green LED - 10Pcs
Price: $0.93
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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.SpecificationDiameter : 3mmVoltage : 2.5-3.2VCurrent : 5mA - 18mAWavelength : 610nm - 625nm ...

Hall Sensor - A3144E (5pcs pack)
Price: $3.45
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Elecrow Item #: EL-SPM31441S -

This Hall Sensor Module used Hall Sensor - A3144E. The Hall Sensor measures the Hall Effect, which is a production of a voltage difference across an electrical conductor, transverse to an electric current in the conductor as well as a magnetic field perpendicular to the current. The output of the Hall sensor switches low and turns on when a magnetic field perpendicular to the Hall sensor exceeds the BOP threshold, and it switches high and turn on when the magnetic field disappears. And the...

Heatsink Kit for Raspberry Pi 2 Model B+
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Price: $4.67
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Elecrow Item #: EL-RPA06059B -

A heat sink kit for raspberry pi 2/model B+, it can avoid the overheat of your main-control chip. The orange one for cpu that is made of copper material, the other one in blue is made of aluminum to protect the south-bridge chip. Wish your raspberry pi “clam down!”FeaturesMaterial: Aluminium and CopperTo fit: RAMSize:12 x 9 x 9mm aluminum heatsink 13 x 12 x 5mm copper heatsinkweight: 6g/setPackage listHeatsink(2pcs)x1 ...

8.3*5.5cm  Bread Board With Slot - Clear
Price: $7.47
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Elecrow Item #: EL-PBB18555C -

This is a half size breadboard with dimension 8.3*5.5 cm. It has two power rails on the sides to allow more than one power level. In addition, it can make the breadboard as thin as 3.5cm and stick it onto an Arduino protoshield by pull the power rails off easily. With a total of 400 tie in points, all pins are spaced by a standard 0.1"(2.54mm). It has a self-adhesive on the back and also interlocking parts, so you can hook as many together as you\'d like.Features400 Tie PointSelf adhesiveCan...

Component Kit with Resistance Card for Arduino E2
Price: $35.00
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Elecrow Item #: EL-ACA09802A -

This kit has more than 7 components for the beginners. You may learn about Arduino through using these basic projects by using your own hands. Try any circuit what you want to the Arduino and accomplish your creation.Features Various of components Universal and for Arduino Specification Box size: 145 x 90 x 40mm Weight: 170gPackage list 400-hole bread board x1 Bread Line 30 x1 sheaf F5 Red LED x10 F5 Green LED x10 Three-color plug-in component x1 10NF 103 ceramic capacitor x10 100NF 104...

Mini Wireless Keyboard with Touchpad for Raspberry Pi
Price: $42.00
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Elecrow Item #: EL-RPA12141M -

This is fully functional wireless QWERTY keyboard and touchpad mouse that fits in the palm of your hand. It is provided with a complete and mini keyboard and touchpad mouse operation, exclusive designed page up and page down shortcut buttons at side, LED light, multiple indications and power switch. With a universal 2.4Ghz USB dongle, this remote controller is easy to use without installing extra driver in your smart devices. In addition, the remote controller is compatible with multi-systems...

Battery Holder with Switch - 3 x AA
Price: $2.10
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Elecrow Item #: EL-PSB00302B -

The 3 x AA Battery Holder with Switch puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover which is secured with a small phillips head screw. Another bonus is the ON/OFF switch which can be used to control power to your project. The leads are about 145mm, and the last 5mm of them are tinned. It is series connection.SpecificationBattery Type : AABattery Qty : 3With Cover : YESWith Switch : YESHolder color : BlackConnection Type : Wireweight...

Dot Laser Emitter
Price: $4.62
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Elecrow Item #: EL-TEL2565L -

Such a little Laser emitter module is popular used in teaching, horizontal measurement and so on, the laser effective transmission distance can be upto 1km when drive current is 20 mA There are also laser emitters with cross spot or line sport.SpecificationDiameter: 9mmWavelength: 650nm Max power: 50 mW Life: >1,000 hCurrent&Voltage: 20mA@3VSpot: Dot , Φ10mm~Φ15 mm @ 15M ...

1.44" 128x 128 TFT LCD with SPI Interface
Price: $15.87
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Elecrow Item #: EL-DL144128TF -

This Color TFT LCD display has 128 x 128 resolution and 262 color, it uses SPI interface to communicate with controller such Arduino, it is the best upgrading of the Nokia5110.FeaturesSize: 1.44 inchInterface:SPIResolution: 128*128Visual area: 1:1 squareTFT color screen, the effect is far better than other small CSTN screenDrive IC: ILI9163Fully compatible and alternative 5110 interfaceOnboard LDO, support 5V/3.3V input voltage, the LED backlight, 3.3V input Download& External LinkILI9163...

8Pin Dual-Female Jumper Wire - 200mm (1pc)
Price: $1.63
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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.

White LED Waterproof Flexi-Strip - 60 LED-1m
Price: $13.77
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Elecrow Item #: EL-DLS06001W -

The LED strip Uses trinity-SMD LED as lighting source, with low voltage with resistance and IC constant current made the shining stable, bright and uniform. FPC circuit board made it easily to bend, Besides, self adhesive back makes it convenient to stick them to any flat surface.Five meters each roll, the price is based on one meter for length, and there are other 4 colors in stock: Red, Blue, Green and Yellow.Specificationcolor: white10.0mm wide, 3.2mm thick, 50mm long per segment (3...

USBSerial Adapter
Price: $22.87
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Elecrow Item #: EL-MCP00101P -

This USBSerial Adapter is a compact USB to serial adapter equipped with BEE (20pin 2.0mm) sockets. With integrated FT232 IC, It can do many things such as used for programming(Arduino Pro Mini), debug some hardware or communicating with MCU applications. On the other hand, you may connect your PC to various wireless applications via the BEE compatible modules.FeaturesReset button for BEE modules3.3V and 5V dual power output3.3V and 5V IO compatibleUSB 2.0 protocolPackage listUSBSerial Adapter...

Temperature Controlled Relay Module
Price: $9.99
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Elecrow Item #: EL-SES10010S -

This is a temprature controlled relay, you can set the relay on/off when the temprature is higher/lower than the temprature you set.The peak voltage capability is up to 250V at 10A when AC and 30V at 10A when DC. With this module, it will be much more easyto implement applications that needs auto power up/down with the temprature varies. Adjust the on-board potentiometer to adjust the sensitivity. The relay and the signal indicate LED would ON/OFF when the temperature is higher/lower than the...

Mini USB Cable - 3m
Price: $5.83
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Elecrow Item #: EL-PCW00301C -

This is a popular USB cable - type A to type Mini. No matter connecting arduino main boards to your computer, or for the connection between a usb storage device ,even mobile phone, it plays an important role everywhere. It\'s a 3m cable and long enough for normal use.

1.5m HDMI Cable
Price: $9.94
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Elecrow Item #: EL-RPB15HDC -

This HDMI Cable connect two HDMI devices together such as TV monitor and your laptop. It has nice molded grips for easy installation, and is 1.5 meter long. Be aware that it\'s HDMI v1.4 standard, it is compatible with HDMI 1.2 and 1.3.FeaturesAudio Return Channel 3D - 3D is the latest rage for both home theater and gaming. A High Speed HDMI\u017d Cable is capable of handling the high bandwidth requirements of 3D signals. Support display 4096 x 2160 pixels @ 30 Hz, which is four times that of...

Female Header Kit For Arduino UNO R3
Price: $0.70
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Elecrow Item #: EL-CCC12003K -

These headers are made to work with the Arduino Uno R3,Leonardo and new Arduino boards going forward. They have longer contact length for clearing the USB-B connector and great for stacking multiple shields. This kit includes 4 headers (2 8-pin and 1 6-pin and 1 10-pin), enough to connect a shield to an Arduino UNO R3 Main Board.Include1x 1x6 Female Header for Arduino2x 1x8 Female Header for Arduino 1x 1x10 Female Header For Arduino ...

1x10 Female Header For Arduino (5Pcs pack)
Price: $1.17
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Elecrow Item #: EL-CCC11001C -

A pack that includes 5pcs 1x10 female headers. They have 2.54mm spacing between pins, suitable for the Arduino 10 pin connections. Of course they can also be cut to any size for your special project.SpecificationPin Pitch: 2.54mmContact Qty: 10Contact Length: 6.3cmContact Type: Straight

Crowtail- Sound Sensor
Price: $8.59
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Elecrow Item #: EL-CT0021SS -

Crowtail- Sound Sensor can detect the sound loudness of the environment. The main component of the module is a simple microphone to receive the sound signal, with band pass filter and a LMV358 amplifier to make the output signal easy to be received by microprocessor. This module outputs analog signal that shows the relative loudness. Besides, an on-board potentiometer can be used to adjust output voltage.FeaturesConnection Mode: A(Analog)Working Voltage:5v Part List1 X Crowtail- Sound Sensor 1...

Sensor Shield V4.0 For Arduino
Price: $15.87
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Elecrow Item #: EL-MCS01002S -

Arduino Sensor Shield V4.0 let us to build electronics projects just as easy as piling bricks. It can connect to various modules like sensors, servos, relays, buttons, potentiometers. Just plug & play. Each functional module has buckled port with VCC, GND and Output, which has corresponding port on the Sensor Shield, connected with a plain 2.54mm dual-female cable you may start playing already.Buckled brick cables are like cement for bricks, make the connections easier, secure and more...

RGB Controller
Price: $8.17
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Elecrow Item #: EL-DDR00601A -

This RGB Controller with IR wireless remote, adopts the advanced micro control unit, which is used to control different color changes of a variety of LED lights such as point source of LED light, LED flexible strip(RGB LED Waterproof Flexi-Strip - 60 LED-1m ), LED wall washer lamp, glass curtain wall light, LED lighting module, advertisement box of LED lights and so on; It is convenient to connect, and easy to use; According to the actual need of customers, it can carry out hopping changing,...

Cross Laser Emitter
Price: $4.62
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Elecrow Item #: EL-TEL2564L -

Such a little Laser emitter module is popular used in teaching, horizontal measurement and so on, the laser effective transmission distance can be upto 1km when drive current is 20 mA There are also laser emitters with dot spot or line sport.SpecificationDiameter: 9mmMax power: 50 mW Life: >1,000 hCurrent&Voltage: 20mA@3VSpot: Cross ...

Fixed dual-voltage (5.0V and 3.3V) power supply board
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Price: $18.64
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Elecrow Item #: EL-CDE50331C -

All electronics projects require power supply. This is a dual-voltage power supply board that provides fixed 3.3V and 5.0V outputs from an unregulated DC input ranging from 7-12V. With its small size (1.8" X 1.4"), it can be easily enclosed inside a project box along with your project circuit. It uses LM78M05 and LD1117-3.3V fixed voltage regulator chips that are both capable to deliver 500mA of output current. The unregulated DC input is provided through a 2-pin terminal block or 2.1mm DC...

High sensitivity vibration sensor for vehicle
Price: $9.29
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Elecrow Item #: EL-SPM8667VC -

High sensitivity vibration sensor for vehicleDescription: This a high sensitivity vibration sensor mainly used for security detecting. This module features high sensitivity, fast response and excellent performance, and it is widely used to for security applications such as anti-theft system for vehicle. The module outputs a logic Low voltage when vibration detected, and the sensitivity can be adjusted by the potentiometer, which would be convenient for DIY projects.Specification Input...

FPV Bracket Kit For 9g Servo
Price: $6.95
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Elecrow Item #: EL-ROK55671K -

This is the FPV Bracket Kit For 9g Servo, with the help of this product, it would be easy for you to create 3-axis projects such as environment monitoring, tracking. It would be your good partner in servo related projects.This is only a FPV Bracket Kit without 9g servo Package listFPV Bracket Kit\u010f\u017a\u02c6Does not include 9g servo) x 1 ...

EB- Line Finder
Price: $8.12
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Elecrow Item #: EL-EBR00043L -

EB- Line FinderDescription: The Line finder is an add-on for your mobile platform to give your robot the ability to detect lines or nearby objects. There are 2 sets of infrared emitters and receivers, to make this module reliable and conveniently in projects. The sensor works by detecting reflected light coming from its own infrared LED. By measuring the amount of reflected infrared light, it outputs 2 digital signal to a microcontroller so the robot can reliably follow a black line on a...

3 Axis Gyro-L3G4200D
Price: $22.87
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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 measuring rates with a user-selectable bandwidth.These...

Micro USB Type B Connector
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Price: $0.44
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Elecrow Item #: EL-CCH8803MUB -

The DIY kit for Micro USB type B connector, with which you can make USB communication by soldering the wires to this connector .

M2/3/4 Nylon Standoff and Screw Kit
Price: $51.31
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Elecrow Item #: EL-RME0234NSS -

The M2/M3/M4 Nylon Standoff and Screw Kit includes the most common used standoffs, screws, nuts etc, totally 27 kinds, 670 pcs. The dielectric nylon materia is sturdy& light, which makes these components suitable for applications such as isolating or fastening PCBs. This Kit brings convenience to makers and get rid of the annoyance of searching for these standard parts. The following link is some related m2.5 Nylon products for raspberrybplus1. M2.5* 6mm Nylon Cylinders- Raspberry Pi Model B+...

10Pin Dual-Female Jumper Wire - 200mm (1 pcs)
Price: $1.87
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Elecrow Item #: EL-PCW20101 -

This is 200mm long 10pin 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.

2-Channel Relay Module-10A
Price: $4.62
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Elecrow Item #: EL-ARE00102SL -

A Relay is a digital switch to control much higher voltages and currents than your normal Arduino boards does. When inputs a logic voltage, the relay will switch to allow current to flow or cutoff, depending on your wiring. A Relay usually consists of a coil, 1 common terminal, 1 normally closed terminal and one normally open terminal. When the coil is energized, the common terminal and the normally open terminal will have continuity. Why do we want to use a relay and do we really need to?...

NRF24L01+PA+LNA Wireless Module - 1100 Meters
Price: $25.20
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Elecrow Item #: EL-WRW24015R -

NRF24L01P + PA + LNA wireless module operates in Free license 2.4G ISM band, you can do point to point application and can also be composed of star network. The Data transmission chip NRF24L01+, and match with the department\'s professional design, Add the the chip of power PA and LNA, RF switch, band pass filter composed of a professional full two-way RF power amplifier, making the effective communication distance has been greatly expanded. Small size: 45.54mm x 16.46mm, easy to embed in any...

1-Axis Analog Gyro Module-ENC03
Price: $13.95
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Elecrow Item #: EL-SENC031G -

This angular velocity sensor utilizes a Coriolis force that act on a vibrating object when an angular velocity is applied to it. The use of this unit simplifies equipment structure and circuit configuration, thus making it possible to provide outstanding performance. This module can be used for positional control and posture control of a moving object requiring precision and quick-response measurements. There is one ENC-03r senor on this module, provides 1-axis velocity with high speed, which...

Crowtail- IR Receiver
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Price: $6.49
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Elecrow Item #: EL-CT0031IRR -

The Crowtail- IR Receiver module uses the HS0038B which is miniaturized receivers for infrared remote control systems and it is the standard IR remote control receiver series, supporting all major transmission codes.The IR detector have a demodulator inside that looks for modulated IR at 38 KHz. The Infrared Receiver can receive signals well within 10 meters. If more than 10 meters , the receiver may not get the signals. We often use the two Crowtail-the Infrared Receiver and the Crowtail-...

Non-invasive AC Current Sensor-30A
Price: $18.62
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Elecrow Item #: EL-SEL98030NI -

The AC current sensor is based on Current transformers, it transforms the big AC current to little, and then convert to voltage with the build-in resistor so users can get the AC current value via measuring the output voltage with any microcontroller such as Arduino. The split core type makes this sensor suitable for DIY usage such as energy monitoring for house & building.SpecificationInput Current: 0~30A ACOutput Mode: 0~1VNon-linearity: ±1%Turn Ratio: 1800:1Building sample...

Wifi Shield
Price: $92.87
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Elecrow Item #: EL-ACS17101S -

This WiFi Shield connects your Arduino or Crowduino to the internet wirelessly. Just connect it to your wireless network with a few simple instructions, you can start to control your applications through the internet now. This Wifi Shield utilizes a RN171 which is a complete, standalone TCP/IP wireless network module, to provides your Arduino/Crowduino internet connectivity via 2-pin serial port. Also, on the board there is an on-board micro SD slot ready for your store your data, making you...

Crowtail- Temperature& Humidity Sensor
Price: $5.79
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Elecrow Item #: EL-CT0010TH -

This module can help you detect the temperature and humidity of the environment of your house. The module contains a DHT11 temperature & humidity senorthat is a complex sensor with a calibrated digital signal out.It use digital module acquisition technology and the temperature&humidity sensor technology.Sensor consists of a resistance type moisture element and a NTC temperature measuring element. Because of single wire serial interface, it is easy to use the module.Part List1 X Crowtail-...

5mm Flashing RGB LED - Slow(5Pcs)
Price: $5.83
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Elecrow Item #: EL-CLB50004S -

When it is connect to 3v power supply, it will blink with random 7 colors at low frequence. 5pcs per pack.

Pan-Tilt
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Price: $25.67
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Elecrow Item #: EL-RBK01363P -

This is a pan-tilt that use with two 9g servos, use it to control the vertical and horizontal rotation of 180 degrees, which is already assembled so that can be used directly. Note this: The red line is 5V, brown line is GND, the orange line is the data line, do not reversed. Do not use excessive voltage to avoid burning servos.Features Compatiable with 9G servos Weight: 37gPackage list Pan- tilt with 2 Servos x 1Wiki & External links ...