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KA2284 Voltage Level Indicator
Price: $6.65
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Elecrow Item #: EL-SEL09020K -

Use this KA2284 Voltage level indicator to you next project. It can be used for battery power quantity indicator, Voltage indicator and Audio indicator. Specification Working voltage: 3.5V-12Vthe magnitude of the level can be adjusted;AC and DC signals can be controlled by jumper;PCB board Dimension: 29 (mm) x21 (mm); Wiki & External links KA2284 Datasheet ...

Laser-Guide Kit
Retail: $16.22
Price: $12.47
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Elecrow Item #: EL-SPR23875L -

This laser-guide kit is used for object detections with laser, the kits includes an laser emitter, laser modulator, laser receiver and a lens, the laser modulator modulates the laser, which emittes from laser emitter, to180Khz, when the laser echos back, the laser receiver receives the signal, and reports the MCU.With the advantage of laser, this kit can detects object white-color or black-color in a range of more than 50cm. please refer to here for the Demos. Please install the components as...

LCD1602 Display for Micro: bit
Price: $9.19
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Elecrow Item #: EL-DTS02115S -

This shield is specially designed for Micro: bit, LCD1602 and Micro: bit using 4-wire connection, it is the same size as LCD1602 display and has 4 crowtail interface, IIC, UART, analog port and digital port. LCD1602 display contrast also can be adjusted. Features Apply to Micro: bit. The contrast also can be adjusted. 4-wire communication. Specifications Crowtail interface : IIC, UART, analog port and digital port Output voltage:5v Size: 37mm x 80mm Package list LCD1602 Display for Micro: bit...

LM8UU Linear Bearings for 3D Printer
Price: $7.42
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Elecrow Item #: EL-P3D0125LM8 -

      This linear ball bearing is intended to slide along an M8 linear shaft. They are used in all RepRap (Prusa i3) and other 3D printers for X / Y Axis Movements. Features 24mm long x 15mm outer diameter x 8mm inner diameter

Max 20A DC Pump/DC Motor Reverse Switch
Price: $4.84
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Elecrow Item #: EL-DIY25704C -

This is a FR4 material reversing switch, if you need to control the pump or motor reversing, you can easily complete by using it, which allows the maximum 20A current through, quality reliable with passed 3c certification , terminals using the fence terminal 7.62mm pitch, connection is stable too. Specifications Size: 3.2 * 6.0CM Material: FR4 Compatible with: M3 screws and pillars Package list Pump Switch Converter x1 Wiki & External links ...

Micro DC Geared Motor Set
Price: $8.02
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Elecrow Item #: EL-RPL11302K -

    The 5V, 83rpm Micro DC Geared Motor with Back Shaft is ideal for DIY enthusiasts. The wheel is match to the motor. This motor set are inexpensive, small, easy to install, and ideally suited for use in a mobile robot car. We recommend this L293 Motor shield to driver this motor. They are commonly used in our 2WD platforms. Specification Gear Ratio: 1:120 No-load speed(3V): 50RPM No-load speed(5V): 83RPM Torgue (3V): 0.8Kgcm Torque (5V): 1.0Kgcm Size: 69mm * 37mm *...

Micro USB Cable with Switch
Price: $4.38
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Elecrow Item #: EL-RPA06086L -

The raspberry pi has no switch, so it?s trouble to control its power supply except drawing the usb. That?s inconvenient especially in the process of preliminary debugging. So buy a power supply cable with ON/OFF switch is necessary. Not only for raspberry but also your mobile phone and other micro USB devices. It benefits to keeping on your device-battery?s working life. Features Product requirements: meet ROHS requirements Color: Black Length: 1.5m Range: USB power output Package list USB...

Micro-Speed Motor
Price: $3.14
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Elecrow Item #: EL-RPL13002S -

    The 5V, 83rpm Micro DC Geared Motor with Back Shaft is ideal for DIY enthusiasts. This motor are inexpensive, small, easy to install, and ideally suited for use in a mobile robot car. We recommend this L293 Motor shield to driver this motor. There is a wheel set in here. Specification Gear Ratio: 1:120 No-load speed(3V): 50RPM No-load speed(5V): 83RPM Torgue (3V): 0.8Kgcm Torque (5V): 1.0Kgcm Size: 69mm * 37mm * 23mm Weight:30g ...

Micro: bit Gamer Shield with Joystick and Buttons
Price: $24.22
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Elecrow Item #: EL-MIB06015G -

Playing game with your Micro: bit sounds cool, we make this gamer shield for you to relax yourself. Besides game, you can also DIY your robot, and control your own robot with this handle. There are five buttons and XY joystick on this handle that can make you control your robot or play game easier. Specifications Working voltage: 3v The interface of X joystick: P0 The interface of Y joystick: P1 The interface of 5 buttons: P2 Installation Method Install the countersunk head screw on the side...

Micro: bit GPIO Expansion Board
Price: $9.86
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Elecrow Item #: EL-DTS01559G -

This is a GPIO expansion board for Micro: bit, it?s convenient to operate. It can be inserted the expansion board directly into the Micro: bit, and this expansion board can be cascaded. Specifications Size: 64 x 37 x 12 mm Package list Micro: bit GPIO expansion board x 1 ...

Mini Bread Board 4.5x3.5cm - Blue
Price: $1.99
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Elecrow Item #: EL-PBB05545Blue -

Description The dimension of this mini breadboards is 45cm * 35mm * 9 mm, it has a self-adhesive backing and 2 x 17 rows of interconnected pins (5 per row) -170 pins in total. Besides, it is able to combine several mini boards with slot. This board is very suited for those project that need compact dimension. Features 170 Tie Point Self adhesive Can be interlocked Dimensions: 45 * 35 mm ...

Mini Bread Board 4.5x3.5cm - Clear
Price: $1.99
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Elecrow Item #: EL-PBB05545T -

Description The dimension of this mini breadboards is 45 ? 35 ?9 mm?it have a self-adhesive backing and 2 x 17 rows of interconnected pins (5 per row) - 170 pins in total. Besides, it is able to combine several mini boards with slot. This board is very suit for those project that need compact dimension. Features 170 Tie Point Self adhesive Can be interlocked Dimensions: 45 * 35 mm ...

Mini Bread Board 4.5x3.5cm - White
Price: $1.99
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Elecrow Item #: EL-PBB05545W -

Description The dimension of this mini breadboards is 45cm * 35mm * 9 mm, it has a self-adhesive backing and 2 x 17 rows of interconnected pins (5 per row) -170 pins in total. Besides, it is able to combine several mini boards with slot. This board is very suited for those project that need compact dimension. Features 170 Tie Point Self adhesive Can be interlocked Dimensions: 45 * 35 mm ...

Mini Bread Board 4.5x3.5cm - Yellow
Price: $1.99
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Elecrow Item #: EL-PBB05545Y -

Description The dimension of this mini breadboards is 45cm * 35mm * 9 mm, it has a self-adhesive backing and 2 x 17 rows of interconnected pins (5 per row) -170 pins in total. Besides, it is able to combine several mini boards with slot. This board is very suited for those project that need compact dimension. Features 170 Tie Point Self adhesive Can be interlocked Dimensions: 45 * 35 mm ...

Mini Piano Module with I2C Interface for Micro: bit
Price: $23.37
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Elecrow Item #: EL-MIB02414P -

Do you want to make your Micro: bit to be an instrument? Maybe we can make your dream come true with this piano module. There is interface for you to plug into your Micro: bit, four RGB LEDs make your board colorful. This piano module has capacitive touch chip that leads to 13 touch keys to simulate your piano keys, you can play your favorite music. Making your Micro: bit an instrument with this piano module without hesitation. Features 4 RGB LEDs, controlled by only one signal pin. Extending...

Mini USB Cable - 3m
Price: $5.01
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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.

Mini Wireless Keyboard and Touchpad
Price: $55.00
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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...

MQ5 Gas Sensor
Price: $5.81
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Elecrow Item #: EL-SEN13650M -

    The MQ5 Gas Sensor module is useful for gas leakage detecting. It can detect LPG, i-butane, methane, alcohol, Hydrogen, smoke and so on. The sensitivity can be adjusted using the on-board potentiometer, and you'd use this sensor by reading the analog pin to which it is connected. Please use these sensors only in controlled experiments! Combustible gases and fumes are very dangerous! Here are details for some MQ gas sensor. SysmbolMQ-2MQ-3MQ-5MQ-9Detect GasCombustible...

MT7681 Serial WIFI Module
Price: $16.22
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Elecrow Item #: EL-CCW07681M -

MT7681 contains high speed processor, the CPU can be used by the customer, without external microcontroller to achieve data transmission. There are dozens of K application space FALSH can use, more than 10 K RAM idle, peripheral 5 IO port and serial port can be feel free to call. Internal MT7681 code, need to call a few TCP UDP function, can complete the link of data sending and receiving function. At present this module source code is to demonstrate MT7681 internal CPU and the whole process...

NFC Shield
Price: $32.57
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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.    &nbs...

NFC Sticker Tag - Rectangle (MIFARE Classic 13.56MHz/1K S50)
Price: $2.51
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Elecrow Item #: EL-WRN13566N -

    This is a MiFare Classic Sticker - often used for electronic locks or customer identification. The tag contains a NXP S50 chip and an antenna, and is passively powered by the reader/writer when placed a couple inches away. Can be used with NFC Shield. Specification 1 KiloByte (8 KiloBit) non-volatile EEPROM storage Built in encryption engine with 48-bit key 4 Byte unique identifier burned into the chip 13.56 MHz frequency      ...

NL6621-Y1 2.4G Uart Serial to WiFi Module for Arduino
Price: $15.06
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Elecrow Item #: EL-CCW01021C -

NL6621M is a highly integrated SOC, especially for the low-cost high data throughput wireless LAN products and designs. It integrates MCU, MAC, 1T1R baseband and RF transceiver with power amplifier on a single chip NL6621M support 802.11b / g / n and Wi-Fi direct (SDIO card mode), BSS STA, soft AP, WiFi Protected Setup. It also supports WMM-PS and WPA / WPA2 security protocol. NL6621M not only for controlling by the host processor from the device but also can be used as standalone WLAN...

Nokia5110 Display
Price: $7.49
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Elecrow Item #: EL-DLN5110ND -

    The Nokia 5110 is a basic graphic LCD screen for lots of applications. It was originally intended for as a cell phone screen. This one is mounted on an easy to solder PCB.     It uses the PCD8544 controller, which is the same used in the Nokia 3310 LCD. The PCD8544 is a low power CMOS LCD controller/driver, designed to drive a graphic display of 48 rows and 84 columns. All necessary functions for the display are provided in a single chip, including...

Non-contact Liquid Level Switch
Price: $15.87
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Elecrow Item #: EL-SPM20020S -

Intelligent non-contact liquid level sensor (here in after referred to as the liquid level sensor) adopted the advanced signal processing technology and high-speed signal processing chip, broke through the vessel wall thickness, the influence of realized in an airtight container level of real non-contact detection.Liquid level sensor (probe) installed on the outer wall of the container to be tested on the lower part (level of high and low), non-metallic containers without the hole, easy to...

NRF24L01 Wireless Shield SPI to I2C Interface for Arduino
Price: $10.90
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Elecrow Item #: EL-CNRF24L01I -

    This is a platform using the ATMEGA48 to help you using the NRF24L0 Module easily. It uses the I2C (TWI) communication protocol to communicate with other controller such as the Arduino thus to simplify the NRF24L01 communication. With this module, you do not need to understand the tedious communication process of NRF24L01 anymore, building NRF24L01 wireless application would be much easily. Also Demo on Arduino platform would help you learning how to use this module in...

Photo Electric Counter
Price: $3.31
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Elecrow Item #: EL-SMS38491S -

This photoelectric counter uses a groove IR Optocoupler to detect if there is anything between the IR emiter and IR receiver. With this method, this module can detect the number of obstruction in a given time thus to detect the speed of the rotation. 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, adjust the potentiometer can adjust the sensitivity of the sensor.FeaturesWorking...

Photo Reflective Sensor - ST188
Spotlight!
Price: $1.84
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Elecrow Item #: EL-SLS01014S -

    This is a reflective sensor combines a GaA1As infrared light emitting diode with a high sensitive Darlington phototransistor in a mini package. Specification                ...

Pi MATRIX ! 8X8 LED Matrix with IO for the Raspberry Pi GPIO
Price: $26.70
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Elecrow Item #: EL-RA0005KIT -

    John Jay based in Georgia, USA, is a retired engineer who designed some boards for the Raspberry Pi to help his partner to learn Raspberry Pi. Although at first it was a small act that just for his friends, but with the growing people in the open-source community participating, more and more people find that these packages really works. So, he decided to releases these kits. Cooperated with Elecrow, these packages have been produced quickly. And here with Elecrow, we...

Pinout Motor/ Servor Shield for BBC Micro: bit
Price: $49.28
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Elecrow Item #: EL-DTS09534M -

This motor/ servo shield is for Micro: bit, it provides a simple way to add motor driving capability to a micro: bit. The shield can drive 2 motors, 2 servos, and allow the motors to be driven with forward, reverse, stop control. It?s easy to add the motor to the shield, and there is an integrated edge connector slot for your Micro: bit to slot into easily. The shield is powered by the battery, and the battery charged by the USB port. It makes easier to achieve the function of your Micro: bit...

Plastic Case for Raspberry Pi Zero
Price: $9.60
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Elecrow Item #: EL-RPA88042Z -

This is a exquisite plastic case for raspberry pi zero, which is the most small and cheap model of raspberry pi. Perfect for any use (but especially for those who want to carry their Pi around in their pocket). You can use all of the connectors on the edges of the Pi: mini HDMI, microSD slot, micro USB power, and microUSB port. Features Material: Plastic Compatible with raspberry pi zero Specification Case size(length:width:height): 72mm x 34.5mm x 25.5mm Package list Plastic Case for...

Plastic Case Raspberry Pi B+
Price: $5.01
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Elecrow Item #: EL-RA0008AP -

     A firm& stable plastic case for raspberry pi B+, every port can be accessible with this case.      Spec Size: 90x70x24.8 mm ...

Protect Your Pi ! 32 IO Points for Raspberry Pi
Price: $25.04
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Elecrow Item #: EL-RA0075KIT -

    John Jay based in Georgia, USA, is a retired engineer who designed some boards for the Raspberry Pi to help his partner to learn Raspberry Pi. Although at first it was a small act that just for his friends, but with the growing people in the open-source community participating, more and more people find that these packages really works. So, he decided to releases these kits. Cooperated with Elecrow, these packages have been produced quickly. And here with Elecrow, we...

Proto Shield For Arduino
Price: $8.02
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Elecrow Item #: EL-MCS01004S -

    This is a design for an open-source prototyping shield for Arduino and other Arduino compatible boards. It has tons of cool features, to make prototyping on your Arduino easy. This shield include a breadboard. If you want other colorful breadboard, please let us know, or the included breadboard will be white. Features Compatible with NG, Diecimila, Duemilanove, UNO and any Arduino-clone in the 'classic' shape and pinout Reset button up top Lots of GND and +5V rails DIP...

Prototype Shield V3.0 For Arduino Mega
Price: $9.68
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Elecrow Item #: EL-ACS02453S -

    Arduino Mega ProtoShield V3.0 use with Arduino MEGA to build circuit. You can soldering the components on this shield and also you can set up circuit through the mini breadboard.     Arduino Mega ProtoShield V3.0 adopts the prototype V3 gold PCB sink process, mainboard golden square pad spacing small, welding components more convenient; SOP28 SMT components encapsulation, make Arduino electronic lovers more handy, not be straight bound by inserted...

Push Your Pi ! 8 LED & 8 Button Breakout Board for Raspberry Pi
Price: $16.69
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Elecrow Item #: EL-RA00104KIT -

    John Jay based in Georgia, USA, is a retired engineer who designed some boards for the Raspberry Pi to help his partner to learn Raspberry Pi. Although at first it was a small act that just for his friends, but with the growing people in the open-source community participating, more and more people find that these packages really works. So, he decided to releases these kits. Cooperated with Elecrow, these packages have been produced quickly. And here with Elecrow, we...

Rain/Steam Sensor
Spotlight!
Price: $3.31
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Elecrow Item #: EL-SPM01021S -

    This water sensor works by having a series of exposed traces connected to ground and interlaced between the grounded traces are the sens traces. The sensor board has a demension of 5.0 x 4.0cm. There is also a on-board potentiometer to adjust the sensitivity, you can get the amount of water induced contact between the grounded and sensor traces.With the comparator LM393, users can get both the analog signal and digital signal.     Connect this sensor...

Rainbow Shield
Price: $19.71
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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. Features...

Raspberry PI nRF24 Add-on V1.0
Price: $58.78
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Elecrow Item #: EL-COD02410N -

Raspberry PI nRF24 Add-on for Raspberry PI platform. Integrated on-chip transceiver nRF24L01 + PA and LNA allows you to create a wireless connection between the terminal devices (sensors, etc.) and servers. The Raspberry PI nRF24 Add-on added all the ingredients needed to make Raspberry PI in a completely finished and inexpensive gateway to build a heterogeneous environment for the smart home. Many Open Source controllers and accessible library will allow you to create any kind of smart,...

Read Your Pi ! 1602 LCD Display for Raspberry Pi GPIO
Price: $28.38
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Elecrow Item #: EL-RA00204KIT -

    John Jay based in Georgia, USA, is a retired engineer who designed some boards for the Raspberry Pi to help his partner to learn Raspberry Pi. Although at first it was a small act that just for his friends, but with the growing people in the open-source community participating, more and more people find that these packages really works. So, he decided to releases these kits. Cooperated with Elecrow, these packages have been produced quickly. And here with Elecrow, we...

Red Color HTTM Series Capacitive Touch Switch Button Module
Price: $4.17
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Elecrow Item #: EL-CCB69025B -

Portable media players and mobile hand helds are bringing convenience to our lives. As a hub for human-computer interaction, the keys are a very important part, and the traditional buttons are generally push or knob, but we are going to introduce this Button which is a touch button, it has been widely used in multimedia devices, not only easy to use, and will make your device looks more fashionable. his HTTM (heltec touch model) capacitive touch button will generally have a variety of colors,...

Reed Switch (5pcs pack)
Price: $2.47
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Elecrow Item #: EL-SPM02102S -

    The reed switch is an electrical switch operated by an applied magnetic field. When the device is exposed to a magnetic field, the two ferrous materials inside the switch pull together and the switch closes. When the magnetic field is removed, the reeds separate and the switch opens. This makes for a great non-contact switch. It consists of a pair of contacts on ferrous metal reeds in a hermetically sealed glass envelope. An example of a reed switch's application is to...

RGB LED Waterproof Flexi-Strip - 60 LED-1m
OOD!
Price: $10.86
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Elecrow Item #: EL-DLS06001A -

    The LED strip Uses trinity-SMD LED as lighting source, low voltage with resistance and IC constant current made the shining stable, bright and uniform. FPC circuit board made it easily to bend, with a RGB Controller, you can control the color and brightness easily! 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. Specification color: RGB 10.0mm wide, 3.2mm thick, 50mm...

Screw Terminals 5mm Pitch - 2Pin (5pcs Pack)
Price: $1.67
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Elecrow Item #: EL-CCO10202C -

    This is a 2 Pole 5.0mm Screw Terminal Block.It includes 5 units of Terminal Block.There are screws which is tightened for a secure connection for both lugs and bare wire.      Specification Rated: 250,16A(250V,17.5A) Contact resistance: 200m? Max Insulation resistance: 5000M? Min Temp range: -30?~+120? Max Soldering: +260? 5s Wire range: 22-14AWG(1.5mm2) Strip length: 3.5mm ...

Screw Terminals 5mm Pitch - 3Pin (5pcs Pack)
Price: $1.99
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Elecrow Item #: EL-CC010212C -

    This is a 3 Pole 5.0mm Screw Terminal Block.It includes 5 units of Terminal Block.There are screws which are tightened for a secure connection for both lugs and bare wire. Specification Rated: 250,16A(250V,17.5A)Contact resistance: 200m? MaxInsulation resistance: 5000M? MinTemp range: -30?~+120?Max Soldering: +260? 5sWire range: 22-14AWG(1.5mm2)Strip length: 3.5mm      ...

Sensor Shield V4.0 For Arduino
Price: $11.36
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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,...

Serial Wifi Module- USR232
Price: $41.38
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Elecrow Item #: EL-WWF2232USR -

     This Serial WiFi module is you best choice for you to connect your application to the internet. It is a complete ultra low power embedded TCP/IP solution. It is a standalone, embedded wireless 802.11b/g networking module. It incorporates a 2.4GHz radio, processor, TCP/IP stack, power management to let the users connecting to the internet with the serial port.     With the relative low price, this module suits for more IOT applications such as smart...

Serial WIFI Transceiver Module ESP8266
Price: $9.35
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Elecrow Item #: EL-WWI8266ESP -

     This serial WiFi transceiver module is based on ESP8266 SoC.. ESP8266 is a highly integrated chip that has Integrated TCP/IP protocol stack. It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor.      Besides, ESP8266 has powerful on-board processing and storage capabilities that allow it to be integrated with the...

Servo Controller
Price: $7.50
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Elecrow Item #: EL-TEL9763S -

A simple Controller& Tester for Servo. Connect your servos to this module then you can control the servo by the potentiometer on this module. With this module, you can easily control your servo manually, even without any microcontroller! 2 servos (bush or bushless) can be controlled or tested at the same time.Application Idea Servo testing Control the servo manuallyFeatures Digital output Max Output Current: 15mA Supply voltage:4.5V-6V Weight: 15g Dimension:42.5 x24.0 x 23.5 mm ...