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Laser Pointer - 3V3
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Price: $0.93
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Elecrow Item #: EL-WIW36001W -

This laser pointer or laser pen is a small handheld device with a laser diode emitting a very narrow coherent low-powered laser beam of visible light, it is frequently used in lecture halls and demonstrations to point at topics of interest on a presentation board. In a school setting, they have become ubiquitous, and they are very useful teaching aids. Please note that DO NOT Point this module to eyes directly, It may cause some blindness, glare and afterimages.Application Idea Pointing...

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...

devDuino Sensor Node V4 (ATmega 328)
Price: $51.31
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Elecrow Item #: EL-CDD13497DD -

devDuino Sensor Node v4 is a compact Arduino-compatible microcontroller and is designed to build wireless networks based on transceiver nRF24L01+. You can easily connect other sensors or actuators to this platform, to build your remote monitoring or controlling system. Unlike the version 1,2,3 is on board built-in sensor temperature and humidity.FeaturesBuilt on Arduino-compatible architectureClock frequency - 16MHz (may be reduced to reduce energy consumption by up to 8MHz) Integrated...

60mm Square 8*8 LED Matrix - Super Bright RGB(CIRCLE-DOT)
Price: $20.77
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Elecrow Item #: EL-MAT06008A -

This is an awesome large sized RGB LED Matrix with superbright and beautiful performance.It has 64 3.6mm circle-dot. For more details, please refer to the datasheet. Can be drivered by Elecrow Rainbow Shield. SpecificationDot Size: 5.0mmPixel Array: 8x 8Dimension: 60mmx 60mmReverse Voltage(Max): 5V Forward Current(Max) : 20mAPeak Forward Current(Max): 60mAPower Dissipation(any seg): 40mWOperating Temperature(Max): -10~+80 DegreeLead Solder Temperature(Max): for 3 seconds at 260 DegreeWiki &...

Battery Holder with Switch- 8 x AA
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Price: $5.79
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Elecrow Item #: EL-PSB00801B -

The 8 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 220mm cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector.Features8 AA batteries With a cover and fixed screw With a ON/OFF switch With a DC jack male ...

Lead Free Solder Tin Spool 0.8MM 100Grams
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Price: $11.67
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Elecrow Item #: EL-TET08100T -

If you want to make a kit you\'ll need some solder. This 100 gram spool is a good amount, not too much and not too little.This spool of solder contains approximately 0.8mm diameter. Its good for all through-hole soldering and great for any kind of SMT soldering. Note : If you are just beginning to solder, we recommend you order the leaded solder. Lead-free solder is a bit harder to use (does not flow as well).Package listLead Free Solder Tin Spool 0.8MM 100Grams x1Wiki & External links ...

Solar Panel- 2W 6V
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Price: $15.87
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Elecrow Item #: EL-PS0106GE -

Need a clean energy source for your project? Check out this compact, high quality, high output endurable solar panel. This solar panel mates directly with many of our development boards and has a high efficiency. Unit has a clear epoxy coating with hard-board backing, provides an efficient and waterproof surface for the panel application on out-door projects.There is an adhesive tape on the top of the panel, Please pulled off it before using!SpecificationDimensions: 136x110x3Typical voltage:...

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...

Mini Wireless Keyboard and Touchpad
Price: $69.53
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Elecrow Item #: EL-RPB17653LM -

This wireless keyboard and touchpad add a miniature wireless controller to your computer project with this combination keyboard and touchpad. It\'s small but usable to make a great accompaniment to a computer such as the Raspberry Pi. In addition, it is also compatible with multi-systems thus it can run on Windows, Mac, Android and Linux. The keyboard itself is battery powered (there\'s a rechargeable battery inside that you charge up via the included USB cable). The keyboard communicates back...

CAN-BUS Shield
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Price: $39.20
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Elecrow Item #: EL-AS54887CAN -

CAN-BUS is a common industrial bus because of its long travel distance, medium communication speed and high reliability. It is widely used as the automotive diagnostic bus, and also commonly used on modern machine tools. This CAN-Bus shield gives the Arduino CAN-Bus capability, It uses the Microchip MCP2515 CAN controller with MCP2551 CAN transceiver, the CAN connection is via a standard 9-way sub-D for use with OBD-II cable, ideal for automotive CAN application. The shield also has a Micro SD...

Crowtail- Encoder
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Price: $8.59
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Elecrow Item #: EL-CT0004EN -

This rotary encoder module encodes the rotation of the axis and outputs the signal by electronic pulse. There are two output pins of this module including signal A and signal B.Users can get the axis rotation angle and the direction, clockwise or counterclockwise, by sensing the output pins, with 20 pulses per circle. As an incremental rotary encoder, unlike rotary potentiometer, this rotation counts are not limited, and the outputs are digital.FeaturesConnection Mode:UIncremental...

Fixed dual-voltage (5.0V and 3.3V) power supply board
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...

Rainbow Shield
Price: $27.53
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Elecrow Item #: EL-ACS92211S -

The Rainbow Shield is an Arduino compatible board,it uses two MY9221 chips, which is12-channels (R/G/B x 4) constant current Adaptive Pulse DensityModulation(APDM). Rainbow shield has provisions for cascading more such boards with 8 power supply, 3 signal line and 1 GND. With the professional multiplexed LED driver and the related power supply circuit, the Rainbow Shield can drive a maximum of 192 single color LEDs or 64 RGB LEDs.FeaturesProvides 3 x 16 pin header for connecting multiplexed...

I2C 1.3" OLED 128x64- White
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Price: $25.20
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Elecrow Item #: EL-DO1286413W -

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...

Temperature Resistant Polyimide Tape 4mm x 30m
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Price: $4.62
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Elecrow Item #: EL-P3D0107PT -

The polyimide tape is an insulator resistant to high temperatures.It is an essential accessory for assembly and use of your 3D printer.Tape with polyimide film as the backing material coated high temperature resistant silicone, color is dark brown (amber), tape good stickiness, good docile, high temperature resistance, solvent resistance, permeability of tin, glue, product has excellent electrical properties.FeaturesLong:30mWidth:4mm Short-term heat resistance of 300 \u2103, long-term heat...

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 ...

Adjustable Integrated DC-DC Module- LM2596S
Price: $13.95
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Elecrow Item #: EL-PCH2596M -

I love this module so much! It is the upgrade version of the Adjustable Mini DC-DC Module. It integrated a volage meter with the DC-DC module – LM2596S, with this function, you can monitor your project much more easier. The voltage meter can measure the input voltage or output voltage, which is adjustable by the protentiometer, with a precision of ±0.1V.Note that the voltage meter would not work if the input voltage below 4V. Press the button to switch voltage to measure, between...

1.44" 128x 128 TFT LCD with SPI Interface
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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...

12864 Smart LCD Controller With Adapter For RepRap Ramps 1.4
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Price: $46.20
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Elecrow Item #: EL-P3D12864DK -

This Smart Controller contains a SD-Card reader, an rotary encoder and a 128x64 LCD display. You can easy connect it to your Ramps board using the "smart adapter" included. After connecting this panel to your Ramps you don\'t need your pc any more, the Smart Controller supplies power for your SD card. Further more, all actions like calibration, axes movements can be done by just using the rotary encoder on the Smart Controller. Print your 3D designs without PC, just with a g-code design stored...

Crowtail- Adjustable Infrared Sensor 3-50cm
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Price: $15.12
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Elecrow Item #: EL-CT0036AIS -

A NEW product of Crowtail series ! This is an infrared distance switch. It has an adjustable detection ranging from 3cm to 50cm. It is small, easy to use/assemble, and inexpensive. Useful for robotics, interactive media, industrial assembly line, etc. we add a crowtail port for pluging into crowtail base board.SpecificationPower supply: 5VCurrent: 100mARange: 3-50cm adjustableWire length: 20cmcompatiable with Crowtail portPackage listCrowtail- Adjustable Infrared Sensor (3-50cm) x 1Wiki &...

White LED Waterproof Flexi-Strip - 60 LED-1m
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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...

2x13 Female Header - 2.54mm(5Pcs pack)
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Price: $2.10
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Elecrow Item #: EL-CCH02135C -

A pack that includes 5pcs 2x13 female headers, wtih 2.54mm spacing between pins.SpecificationPin Pitch: 2.54mmContact Qty: 26Contact Length: 6.3cmContact Type: Straight

9Pin Dual-Female Jumper Wire - 200mm (1pc)
Price: $1.28
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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.

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...

EB - Capacitive Touch Sensor (toggle)
Price: $5.79
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Elecrow Item #: EL-EBR7549T -

EB - Capacitive Touch Sensor (toggle) Description: Are you tired with clicking mechanic button? Try our capacitive touch sensor. Right now we can find touch sensor on most electronic device. So uprade your Arduino project with our new version touch sensor and make it cool! This little sensor can "feel" people and metal touch and feedback a high/low voltage level. Even isolated by some cloth and paper, it still can feel the touch. And the sensetivity well decrease as isolation get thick. For...

1 Channel RF Remote Control Module DC 5V
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Price: $18.67
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Elecrow Item #: EL-CRF00501C -

This 1 channel latching relay module whose output is passive output, can be controlled by its 2-button RF wireless controller, when the module is powered on. The module must be equipped with a suitable remote control, it also can drive most of household electrical appliances.Features Able to control various appliances and other equipments with large current Equipped with high-current relay Standard interface that can be controlled directly by microcontroller LED indication for Relay output...

Acrylic Enclosure for Arduino UNO R3 - Transparent
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Price: $6.77
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Elecrow Item #: EL-ASC01038A -

This product is protective case of Arduino UNO R3, fastened by screws. It is made by high grade acryl, which provides excellent protection, with fashion appearance. This is unique design provides easy connection to other components.Installation Drawing of Arduino UNO R3 Demoboard Shell1.\tTear off the protective film on the shell surface.2.\tInstall board 2 on board 1.3.\tInstall the demoboard to 1 with four prices of M2*10 screws and fix the middle parts with transparent washers.4.\tThen,...

Vibration Switch - SW-18020P
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Price: $0.47
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Elecrow Item #: EL-SMS18020P -

The Vibration Switch - SW-18020P is made by metal materials and plastic pipe manufacturing, the product have a high sensitivity, will not be interference by the outside sound.Application Idea Vibration detectingElectronic scalesSpecificationSW-18020P series are spring type, no directional vibration sensor trigger switch, any angle can trigger. Switch is open circuit OFF-state, when it is static, when external force to touch and corresponding vibration, or movement speed achieve adequate...

5110 Mini LCD 84*48 PCD8544 Shield For Raspberry Pi Model B+/B
Price: $23.33
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Elecrow Item #: EL-RPA51101R -

This product is compatible with Raspberry Pi Model B+ and B. With a resolution of 84 X 48, this Mini LCD screen displays the CPU utilization and the memory occupancy rate that runs on your Raspberry Pi through Raspberry Pi internal Python programming. It is clear at a glance. Geek players can also program by themselves to display any content. When the Raspberry Pi is used as a server, you can also see the operating condition of Raspberry Pi at night. Package list 5110 Mini LCD 84*48 PCD8544...

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...

MINI USB Breakout Board
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Price: $1.87
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Elecrow Item #: EL-PPB5250U2D -

This simple board breaks out a MINI USB connector’s VBUS, GND, ID, D- and D+ pins to a 2.54mm pitch header. If you want to add the popular MINI USB to your project, but don’t want to put up with soldering the tiny connector, this is the board for you.Features Female MINI USB SMD to DIP 2.54mm Pitch

Electronic Time Delay Module
Price: $11.20
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Elecrow Item #: EL-SPTD014M -

This time delay module provides you a way to control the time. Some time, you may want to control a LED on/off within some time, a microcontroller would be ok for such an application, but it would be troublesome, and expensive! This module would be help in these applications. With this module, you can set a delay time 0~14 minutes with the onboard potentiometer, unlike the other mechanic timer, this module is also friendly to microcontrollers, you can set the module start/stop timing, which...

Bracket for 130 Motors
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Price: $0.65
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Elecrow Item #: EL-AM00130BR -

This bracket helps you fix your 130 motors on any platform. Specification Material: IronThickness: 0.2mmDiameter: 2mm ...

Crowtail- Rotary Angle Sensor
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Price: $4.67
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Elecrow Item #: EL-CT0053RAS -

This rotary angle sensor may also be known as potentiometer twig that produces analog output between 0 and Vcc (5V DC with Crowduino) on its SIG pin. The angular range is 300 degrees with a linear change in value. The resistance value is 10k ohms, perfect for Arduino use. Some applications like smart light control, volume control, only you can not think of things, no impossible things!FeaturesCompatiable Crowtail InterfacePackage listCrowtail- Rotary Angle Sensor x1Crowtail Cable x 1Wiki &...

USB2DC Power Wire
Price: $2.80
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Elecrow Item #: EL-PSC55210U -

You can easily power modules that uses DC jack as power supply, with this USB2DC power wire. This wire has a USB type B connector on one end and a 5.5 * 2.1 DC jack on the other end. SpecificationLength: 1.2 m

Wired NTC Thermistor- 10K 0.5m
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Price: $4.90
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Elecrow Item #: EL-SET99801W -

This wired thermistor is popular used in Industrial Applications such as air condition and heater, with its water proof shell, it can be also used in many DIY projects such as this application on instructables.Specification R25\u2103=10KB25/50\u2103=3950KTemperature Reaction Time: Working Temperature: -20~ 100 degree;Wire length: 0.5mWiki & External links B Parameter Definition on WIKI ...

Common Component Kit for Arduino with Case E1
Price: $37.33
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Elecrow Item #: EL-ACA09801A -

This kit has more than 13 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. You also can choose to use your own breadboard to accomplish your creation.Features Various of components Universal and for ArduinoSpecification Box size: 130 x 65 x 22mm Weight: 170gPackage list Plastic box x1 400-hole bread board x1 Line 65 x1 sheaf Four sections fifth battery box x1 Small DC motorx1 10K...

GT2 Pulley 16Teeth Bore5mm+2M GT2 Belt
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Price: $22.07
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Elecrow Item #: EL-P3D0121GB2 -

Our GT2 pulley and belt combination provide you with much more precision and anti-backlash properties than other non round tooth profile timing pulleys. The GT2 pulley we machine can be used with 6mm width GT2 belt. It\'s a good choice for all kinds of machines. 3D printing is just one of these applications. These pulleys will fit 5mm smooth rod and 5mm motor shafts like those found on our NEMA17 Motors.FeaturesLonger Belt LifePrecision Registration Increased Load-carrying CapacityQuieter...

0.28" Four Digit Numeric Time Display - Red (Common Cathode)
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Price: $2.57
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Elecrow Item #: EL-DDC02804C -

Design a clock, timer or counter into your next project using this pretty 4-digit seven-segment display. These bright displays are good for adding numeric output. The display features one decimal point per digit and an extra wire for colon-dots in the center, and individually controllable apostrophe points.it\'s very good for time-based projects.Specification ...

0.36" Four Digit Numeric Display - red (Common cathode)
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Price: $1.63
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Elecrow Item #: EL-DIG03604R -

0.36" Single Digit Numeric Display - green (Common Cathode)
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Price: $1.17
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Elecrow Item #: EL-DIG03601G -

0.36" Single Digit Numeric Display - Red (Common Cathode)
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Price: $0.70
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Elecrow Item #: EL-DIG03601R -

0.56" Dual Digit Numeric Display - Red (Common Cathode)
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Price: $1.05
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Elecrow Item #: EL-DDC05602C -

This is a basic, 2-digit 7-segment display - red in color. It\'s common cathode. The display features one decimal point per digit, and individually controllable apostrophe points. The LEDs have a forward voltage of 2.1VDC and a max forward current of 20mA. The hardware interface is ten (two rows of five) through-hole pins.Specification ...

0.56" Four Digit Numeric Display - Red (Common Anode)
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Price: $1.75
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Elecrow Item #: EL-DDC05604A -

0.56" Four Digit Numeric Display - Red (Common Cathode)
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Price: $1.75
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Elecrow Item #: EL-DDC05604C -

This is a basic, 4-digit 7-segment display - red in color. It\'s common cathode. The display features one decimal point per digit, and individually controllable apostrophe points. The LEDs have a forward voltage of 2.1VDC and a max forward current of 20mA. The hardware interface is twelve (two rows of six) through-hole pins. Specification ...

0.56" Four Digit Numeric Time Display - Red (Common Cathode)
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Price: $2.33
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Elecrow Item #: EL-DDC05614C -

Design a clock, timer or counter into your next project using this pretty 4-digit seven-segment display. These bright displays are good for adding numeric output. The display features one decimal point per digit and an extra wire for colon-dots in the center, and individually controllable apostrophe points.it\'s very good for time-based projects. Specification ...