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1x16 Female Header For Arduino (5Pcs pack)
Price: $1.29
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Elecrow Item #: EL-CCC11602C -

    Single row of 16-holes, female header. Can be cut to size with a pair of wire-cutters with standard .1" spacing. Specification Pin Pitch: 2.54mm Contact Qty: 16 Contact Length: 6.3cm Contact Type: Straight ...

1x6 Female Header for Arduino (5Pcs pack)
Price: $0.56
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Elecrow Item #: EL-CCC16100C -

A pack that includes 5pcs 1x6 female headers. They have 2.54mm spacing between pins, suitable for the Arduino 6 pin connections. Of course they can also be cut to any size for your special project. Specification Pin Pitch: 2.54mmContact Qty: 6Contact Length: 6.3cmContact Type: Straight ...

1x8 Female Header for Arduino (5Pcs pack)
Price: $0.73
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Elecrow Item #: EL-CCC18100C -

    A pack that includes 5pcs 1x8 female headers. They have 2.54mm spacing between pins, suitable for the Arduino 8 pin connections. Of course they can also be cut to any size for your special project. Specification Pin Pitch: 2.54mm Contact Qty: 8 Contact Length: 6.3cm Contact Type: Straight ...

2 In 1 TF Cards Dual System Switcher for Raspberry Pi
Price: $26.95
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Elecrow Item #: EL-RPA05036T -

This 2IN1 Two TF cards commutator is specially designed for Raspberry pi B+/2B/3B with double switch systems. You could enjoy the convenience of using two TF cards at the same time to transfer to different systems for playing at the poking of the switch. Moreover if you could change the dial switch to arduino or SCM GPIO controlled, it could help you realize wireless/ remote/ infrared remote control system etc. Note: It should be used when off power or its system will be damaged when on power...

2 x 18650 Battery Holder with DC2.1 Power Jack
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Price: $3.10
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DFRobot Item #: FIT0538 -

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 2 x 18650 battery holder has inner connection in series, DC 2.1 power jack, standard 7.4V 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|R...

2-Channel Velocity Measurement Kit
Price: $19.13
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Elecrow Item #: EL-SPM6097VM -

This Kit helps you monitoring the velocity speed of motors, it uses the sensor HC-020 to sense the rotation of circular grid board, and thus output square waves. So users can calculate the rotation velocity or speed via these outputs frequency. There are 20 grids on the circular grid board, so each rising/falling edge standing an angle: 360/20= 18 degrees. Please uncover the yellow protect paper before your using. SpecificationWorking Voltage: 4.5~5.5 VDCEmitter Voltage Drop: 1.5VOutput...

2-Channels Opto Sensor
Price: $12.25
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Elecrow Item #: EL-SPS21211S -

Description This 2-Channels Opto Sensor is consist of 3 parts: 2 opto-emitters and receivers, one PCBA to adjust the sensitivity and map out the signal. With this sensor, you can measure if there are the objects in the measuring range, eapacilly useful in applications that you need to monitor the inputs&outputs of a system. When the opto sensor didn't covered , the D0 output logic LOW, the signal indicate LED light, when the opto sensor covered, the D0 output logic HIGH and the LED off,...

2.4G 4dBi WiFi Antenna With Cover
Price: $3.54
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Elecrow Item #: EL-WAW24040A -

    This is a 2.4G 4dBi WiFi Antenna with ipex13 for DIY projects. Electrical Characteristics Frequency 2400 ~ 2500 MHz S.W.R. <= 2.0 @ 2400 MHz ~ 2500 MHz Antenna Gain 4dBi Impedance 50 Ohm Environmental Operation Temperature - 40 ?C ~ + 65 ?C Storage Temperature - 40 ?C ~ + 80 ?C ...

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)
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Price: $8.61
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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! Dimensions: 41 x 30mm, 350mm cable Features: Type: Omni-Directional Dual Frequency Range: 2300 to 3800MHz & 5150 to 5875MHz Impedance: 50 Ohm Maximum...

2.4GHz Ceramic Chip Antenna
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Price: $5.13
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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. Dimensions: 2.2x6.5mm Documents: chip-antenna-2.4ghz.pdf"

2.4GHz Duck Antenna RP-SMA
Price: $13.83
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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. The FCC is moving towards Part 15 compliance. All this means is that all the SMA RF connectors are changing gender. Really annoying for those of us who need to mate an antenna to an RF device. The FCC gender change was instituted to prevent home users from damaging RF equipment (think home WiFi) when screwing on an antenna. If all antennas are female, there...

2.4GHz Duck Antenna RP-SMA - Large
Price: $17.30
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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. Dimensions: 0.5x7.7" Documents:Datasheet"

2.4GHz Transceiver IC - nRF24L01+
Price: $6.09
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Sparkfun Item #: COM-00690 -

"Nordic Semiconductor nRF24L01+. Transceiver chip operating in the 2.4GHz band. Take all the coolness of the nRF2401A and add some extra pipelines, buffers, and an auto-retransmit feature - very nice! The improved ‘+’ version of the nRF24L01 includes more features and better range! Features: Drop in compatible with nRF24L01 1.9V-3.6V supply 2Mbit data rate New long range 250kbit option Auto acknowledge Auto re-transmit Multiceiver - 6 data pipes 32 byte separate TX and RX FIFOs 5V...

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 FEMALE-MALE JUMPER WIRE - 300MM (40PCS PACK)
Price: $6.22
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Elecrow Item #: EL-PCW00012F -

    This is a pack including 40pcs of 300mm female-male DuPont jumpers. With these wire, you can easily connect electronic components to breadboard to make your project with these jumper wires. Specification Wire Qty:40 Length:300mm Connector Type:Female - Male Color: Combined ...

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: $17.31
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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 ?...

2500 mAh NiMH Battery - AA
Price: $5.13
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Sparkfun Item #: PRT-00335 -

"2500mAh 1.2V Nickel Metal Hydride rechargeable ‘AA’ batteries. NiMH technology provides all the benefits of NiCads without the toxic ingredients and without the memory effect problem! 2500 mAh is a large capacity cell perfect for handheld, RF, and digital camera applications. We use these in everything! 26 grams per cell. 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...

26Pin 2.54mm GPIO Cable For Raspberry Pi - 23CM
Price: $1.59
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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      ...

2mm 10pin XBee Header
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Price: $1.65
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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
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Price: $1.74
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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: $1.65
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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 " ...

2Pin Dual-Female Jumper Wire - 200mm (5pcs pack)
Price: $1.59
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Elecrow Item #: EL-PCW20021 -

    This is 200mm long 2pin 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.

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...

2WD Mobile platform Kit
Price: $21.64
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Elecrow Item #: EL-RKT00100M -

This a well designed,2WDmobile robot development platform,you can build it and program it easily with tons of published free codes. Compare with the other mobile platform, this platform has 2gear motor with encoder disk, which makes it easy to control the speed, with acrylic board and mounting holes, you can add Variety of sensors to make it more interesting.The Crowduino, and elecrow motor shield , would be perfect to control&drive this platform to make your own mobile car. This kit is...

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: $2.61
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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 AVR ICSP Male Header
Price: $0.87
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Sparkfun Item #: PRT-00778 -

"This is the common 2x5 male header seen on many AVR boards. Used with the AVR-PG1, PG2, and JTAG units. Pins have 0.1" spacing between rows and between pins."

2x5 Pin IDC Ribbon Cable
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Price: $2.61
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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: $2.61
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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 Digital Accelerometer - ADXL345
Price: $6.62
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Elecrow Item #: EL-SMS33451S -

This ADXL345 module is low power consumption and a 3-axis accelerometer, it communicate with MCU with I2C or SPI communication with user selectable sensitivity and 10-13 bit resolution. The ADXL345 is well suited to measure the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (4 mg/LSB) enables measurement of inclination changes less than 1.0?. Several special sensing functions are provided....

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: $2.65
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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: $24.77
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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...

3-Axis MEMS Accelerometer - MMA8452Q
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Price: $5.13
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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...

3-Wire LED Module 8 Digital (Arduino Compatible)
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Price: $19.05
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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

315M RF Controller Kit
Price: $10.33
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Elecrow Item #: EL-WRF315KIT -

    This wireless controller kit uses the SC2273-L4 SC2272-M4 to encode& decode, very suit for simple wireless controls. It is consist of a keyfob 4-Button RF remote controller and a simple RF M4 receiver, There's no programming, configuring or addressing - simply power the receiver with 5VDC and press the buttons on our matching RF keyfob remote. When the A button is pressed, it activates the first pin, when the B button is pressed, it activates the second one, and so...

3D Gesture Sensor (Mini) For Arduino
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Price: $27.58
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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