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ESP8266 IOT Board
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Price: $30.10
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Elecrow Item #: EL-DPO82666E -

This is a ESP8266 IOT board- our take on an \'all-in-one\' ESP8266 WiFi development board with built in USB and battery charging. It’s an ESP8266 WiFi module with all the extras you need, The most important part is an ESP8266 WiFi microcontroller clocked at 80 MHz and at 3.3V logic. This microcontroller contains a Tensilica chip core as well as a full WiFi stack. You can program the microcontroller using the Arduino IDE for an easy-to-run Internet of Things core. We wired up a USB-Serial...

315M RF Controller Kit
Price: $11.20
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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 forth for all four buttons....

Non-invasive AC Current Sensor-100A
Price: $18.62
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Elecrow Item #: EL-SEL98100NI -

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: 0~100A ACOutput Mode: 0~50mANon-linearity: ±3%Turn Ratio: 100A:0.05AResistance Grade:...

3mm Yellow LED - 10Pcs
Price: $1.40
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Elecrow Item #: EL-CLL30001Y -

LEDs - Basic electronic parts. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays.This is a very standard yellow LED. The lens is 3mm in diameter, and is diffused. 10pcs per pack. Specification Diameter : 3mm Voltage : 2.0

Soil Moisture Sensor
Price: $3.03
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Elecrow Item #: EL-SPM32100S -

This Moisture Sensor can be used to detect the moisture of soil or your pet plant\'s water level, let the plants in your garden reach out for human help. With the Octopus Electronic Bricks interface can very easy to used with the sensor shield V4.0. This sensor uses the two probes to pass current through the soil, and then it reads that resistance to get the moisture level. More water makes the soil conduct electricity more easily (less resistance), while dry soil conducts electricity poorly...

5Pin Dual-Female Jumper Wire - 200mm (5pcs pack)
Price: $4.67
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Elecrow Item #: EL-PCW20051 -

This is 200mm long 5pin female to female jumper wire which uses high quality 26# line. Great for jumping from board to board. These are simple jumper wires used on standard 2.54mm(0.1") breakaway headers. The pack include 5pcs of this cable.

2-Channel Solid State Relay Module
Price: $15.87
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Elecrow Item #: EL-ARE00202SL -

Compares with the traditional mechanical relay, the Solid State Relay (SSR) has many advantages: it has a longer life, with a much higher turn on/off speed and no noise. Besides, it also has better resistance to vibration and mechanical shock, and better moisture proof performance. This Solid State Relay Module has two channels, which work and be controlled separately. it is based on Omron G3MB, to control current upto 2A@240VAC, can be widely used in various areas such as computer peripheral...

0.96" OLED 128x64- Blue
Price: $20.53
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Elecrow Item #: EL-DOL12864O -

This OLED display module is small, only 0.96” diagonal, it is made of 128x64 individual blue OLED pixels, each one is turn on or off by the controller chip. It works without backlight, that is, in a dark environment, OLED display is higher compared to that of LCD display, you will like the miniature for its crispness. The Driver chip of this OLED is SSD1306, which is compatible with IIC or SPI communication. So this module can be controlled by SPI or I2C. There are 2 resistors at the...

L298 Dual H-Bridge Motor Driver
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Price: $16.29
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Elecrow Item #: EL-RDR00298N -

This module is based on the very popular L298 Dual H-Bridge Motor Driver Integrated Circuit. The circuit will allow you to easily and independently control two motors of up to 2A each in both directions or one stepper motor. It is ideal for robotic applications and well suited for connection to a microcontroller requiring just a couple of control lines per motor. It can also be interfaced with simple manual switches, TTL logic gates, relays, etc.SpecificationMotor supply: 7 to 24 VDCControl...

NRF24L01+ Module
Price: $5.09
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Elecrow Item #: EL-WRF24010R -

This module uses the newest 2.4GHz transceiver from Nordic Semiconductor, the nRF24L01.This transceiver IC operates in the 2.4GHz band and has many new features! Take all the coolness of the nRF2401A and add some extra pipelines, buffers, and an auto-retransmit feature.Now we make a breakout for nRF24L01 , and build the smallest system for it , also the wireless circuit . You can use it in you project without any wireless design , just need to leave a 8 pins interface to this module , use the...

8-Channel EL Shield Kit
Price: $69.53
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Elecrow Item #: EL-DEL0008KIT -

The EL Shield Kit gives you whole solution to use the EL wires. It includes all the necessary modules: 5V Inverter,4 EL wires and EL control Shield to make it possible to control the EL via Arduino. With Arduino and Crowduino, You will be able to control 8 EL devices simultaneously and separately. The controlling method is as simple as controlling an LED. Driven by PWM, it can create a colorful and florid effect by controlling each EL wire according to your own programs. This kit comes with a...

Heatsink Kit for RPI
Price: $2.29
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Elecrow Item #: EL-RPB1488H -

This Kit includes 1 pcs of 14x14mm and 2 pcs of 8x 8mm heatsink, to help users cool down the main IC of Raspberry Pi.

3mm Red LED - 10Pcs
Price: $0.70
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Elecrow Item #: EL-CLL30001R -

LEDs - Basic electronic parts. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. This is a very standard red LED. The lens is 3mm in diameter, and is diffused. 10pcs per pack.SpecificationDiameter : 3mmVoltage : 1.9 - 2.5VCurrent : 5mA - 17.5mALuminous Intensity: 150-200mcd ...

2-Channels Opto Sensor
Price: $13.53
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Elecrow Item #: EL-SPS21211S -

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, adjust the...

IMU 10DOF L3G4200D + ADXL345 + HMC5883L + BMP180
Price: $39.20
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Elecrow Item #: EL-SM080110DOF -

This IMU 1DOF is based on the sensor L3G4200D, ADXL345, HMC5883L and BMP180. 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 ADXL345 is a small, thin, low power, three-axis accelerometer with high resolution (13-bit)...

Buzzer Module
Price: $2.99
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Elecrow Item #: EL-SLS01010S -

This buzzer module is simple to use. Just Connect the "I/O" pin of the module to the digital outputs of Arduino, it will emit a tone when the output is high.Of cause it can be connected to an analog pulse-width modulation output to generate various tones and effects. Wiki & External links Schematic ...

6Pin Dual-Female Jumper Wire - 200mm (1 pcs)
Price: $1.17
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Elecrow Item #: EL-PCW20061 -

This is 200mm long 6pin 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.

Adjustable Infrared Sensor Switch 3 - 80cm
Price: $16.05
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Elecrow Item #: EL-SOD00380S -

This is an infrared distance switch. It has an adjustable detection ranging from 3cm to 80cm. It is small, easy to use/assemble, and inexpensive. Useful for robotics, interactive media, industrial assembly line, etc.SpecificationPower supply: 5VCurrent: 100mARange: 3-80cm adjustable Red: +5V Yellow: Signal Black: GNDWire length: 20cmWiki & External linksManual/Wiki ...

Vibration Sensor Module - SW-420
Price: $3.45
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Elecrow Item #: EL-SMS10221S -

The Vibration module based on the vibration sensor SW-420 and Comparator LM393 to detect if there is any vibration that beyond the threshold. The threshold can be adjusted by the on-board potentiometer. When this no vibration, this module output logic LOW the signal indicate LED light,And vice versa.Application Idea Vibration detecting Burglary protection systemFeatures The default state of the swith is close Digital output Supply voltage:3.3V-5V On-board indicator LED to show the results...

3MM Infrared Emitter (5pcs Pack)
Price: $0.89
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Elecrow Item #: EL-COI03474E -

3MM infrared emitter for remote controllers, please download the detailed specification Here.SpecificationWavelength: 940 nmMax infrared power : 100 mW/srAngle: Forward voltage: 0.9~1.3V Soldering Temperature: Life: > 80,000h ...

Wireless SD Shield
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Retail: $20.75
Price: $13.80
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Elecrow Item #: EL-MCS01109S -

The Wireless SD card shield allows an Arduino board to communicate wirelessly using a wireless module, and adds storage to your Arduino project. The XBee Shield is based on the Xbee modules from Digi, but can use any Bee module with the same footprint. It supports SD, SDHC, or MicroSD TF cards. Use the on-board toggle switch to select the SD card type. And when you want plug a sd card on it,you should select the switch to the right direction. About the wireless module, it only uses you two...

W5200 Ethernet Shield
Price: $46.43
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Elecrow Item #: EL-ACS52001S -

The Ethernet Shield connects your Arduino device to the internet in mere minutes. Just plug this module onto your Arduino board, connect it to your network with an RJ45 cable (not included) and follow a few simple instructions to start controlling your world through the internet. The Ethernet controller of this Ethernet Shield is W5200. it is twice the buffer size of W5100 and support for up to eight simultaneous TCP/UDP connections. There is an onboard micro-SD card slot, which can be used to...

Prototype Shield V3.0 For Arduino Mega
Price: $13.53
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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 components.FeaturesThe shield can support being...

Pro Micro For Arduino - 5V/16MHz
Price: $30.29
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Elecrow Item #: EL-AAM64534P -

Welcome the Arduino Pro Miro – the tiny version of Leonardo at elecrow. The Pro Micro is similar to the previous Pro Mini except that it uses the ATmega32U4 on board, which allows us to add USB connectivity on-board and do away with bulky external USB interface. This tiny little board uses the Atmefa32U4 chip, it has the same amount of flash, RAM and capability as the ATmega328 found in the crowduino. It also has all of the neat-o Arduino tricks that you\'re familiar with: 4 channels of...

Adjustable DC-DC Booster- LM2577
Price: $11.62
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Elecrow Item #: EL-PCH2577S -

Arduino LM2577 DC-DC Adjustable Step-up Power Converter Module . The LM2577 series of regulators are monolithic integrated circuits that provide all the active functions for a step-up(buck) switching regulator, capable of driving a 3A load withexcellent line and load regulation. This module uses the adjustable output version, it would facilitate your application and be your good assistant in your debugging. FeaturesModule Properties: Non-isolated buck ModuleRectification: Non-synchronous...

EMAX 9g ES08A Mini Servo
Price: $10.92
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Elecrow Item #: EL-RMS19001S -

This EMAX servo is an entry level servo for beginners who like to enjoy servo controlling fun. This product includes a full set of common shafts as shown in the pictures, great for small mechatronic projects.Features3 pole ferrite, all nylon gear. Top ball bearinglocation of each pin: red (+),brown (-), yellow (signal).SpecificationOperating Voltage: 4.8V ~ 6.0V Stall Torque(4.8V): 1.5Kgf.cm(22.2 oz.in)Operating Speed(4.8V): 0.12 Sec/60\xb0 at no load Temperature range: 0\xb0C - 55\xb0C...

Water Proof Integrated Ultrasonic Ranging Module- JSN-SR04T
Price: $34.53
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Elecrow Item #: EL-SP0433JSN -

There are many ultrasonic ranger module on the market, but sometimes, these kind of sensor needs to work in conditions more than the Lab. This water proof ultrasonic sensor meets this requirement. It has a good performance and almost the same usage of HC-S04 module. There is also a simillar JSN-B02 module that is more easy to install and waterproofing.Featuressmall size, easy to uselow voltage, low power consumptionhigh accuracystrong anti-jammingintegrated with wire enclosed waterproof probe,...

Auxiliary Clip Magnifier for Soldering
Price: $18.20
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Elecrow Item #: EL-TH8875AC -

It is a very useful maintenance tool with magnifier, clip, LED and iron stand. It can play an important role when you weld small SMD components. You can nip the PCB with clip, enlarge it with magnifier and then start to weld. Sometimes, in order to prevent the adjacent pins together when welding the IC with intensive pins, you can use magnifier to enlarge for testing, if the light is weak, you can open the LED.

3mm Super Bright LED - Blue(10Pcs)
Price: $1.63
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Elecrow Item #: EL-CLS30002B -

These are very bright LEDs, the lens of this super bright blue LED is 3mm in diameter. 10pcs per pack. Specification Diameter : 3mm Voltage : 3.1-3.6vCurrent : 5mA - 7.5mA

Lipo Charger
Price: $20.53
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Elecrow Item #: EL-PSB01012B -

The LiPo Charger is extremely affordable and easy to use. No programming is required. Plug it in and it works. The internal charger IC handles all the power flow between the various components. The LiPo Charger board will Show red LED to alarm when the battery is low power, or it will show Green. It allows you ride the solar wave to run your favorite 5V device. The LiPo Charger board is the ideal green power solution for your outdoor sensor design. Attach the LiPo Charger board to your sensor...

Coreless DC Motor
Price: $5.79
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Elecrow Item #: EL-AMS18000CD -

Coreless dc motors, also know as slotless, ironless, basket wound, or cup motors, offer numerous features and benefits that differentiate them from iron core or slotted dc motors relatives, these corless motors are a marvel of modern engineering! They combine rare earth magnets with a coreless design to produce high torque & speed motor with only a 6 mm diameter. Originally designed for vibration functions in mobile phones, these come without the weight and are finding increasing applications...

4 Channels RF Remote Control Module DC 5V
Price: $23.33
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Elecrow Item #: EL-CRF00504C -

This 4-channel latching relay module whose output is passive output, can be controlled by its 5-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...

Digital Light Sensor - BH1750FVI
Price: $6.77
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Elecrow Item #: EL-SLS01011S -

This is a BH1750FVI light intensity sensor module with built-in a 16 bit AD converter generating digital signal. The data from this module is light intensity in lx (lux meter). It communicate with micro-controller board through I2C bus.Features working Voltage: 3.3V~6VI2C bus Interface with 2 alternative address (f/s Mode Support) Spectral responsibility is approximately human eye response Wide range and High resolution (1 ~ 65535 lx) Light source dependency is little. (ex. Incandescent Lamp....

Vibration Sensor Module - SW-18015P
Price: $4.62
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Elecrow Item #: EL-SMS40130S -

This Vibration Sensor use the SW-18015P from MEC to measure the vibration.It can triggerd from any angle, and often used for flex, touch, vibration and shock measurements. There is an on-board potentiometer to adjust the threshold of vibration.It outputs logic HIGH when this module not triggered while logic Low when triggered. Application Idea Automobie alarm. Movement detection. Vibration detecting Applications Features The default state of the switch is open Digital output Supply...

GPIO Extension Cable For Raspberry Pi B+ 40P
Price: $3.27
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Elecrow Item #: EL-RA000021R -

This is a 40P GPIO extension Cable special for the Raspberry Pi B+, please note that it is not compatible for the B, please purchase this for the Raspberry Pi BFeaturesLength:19cm2.54 interface

ESP8266 based WiFi module FCC/CE
Price: $13.25
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Elecrow Item #: EL-CWI82668FC -

ESP-12 (ESP8266 ) is an ultra-low power UART-WiFi module. It has excellent dimensions and ULP technology compared to other similar modules. The module is special design for mobile devices and Internet of Things . Once firmware is upgraded to the appropriate version, a compatible Android device can run the IOT.APK to do the following:control the PWM, I/O pin, or Serial communication. For example,you can use this module transmit date with it serial port.It is easy to communication with other...

Relay Shield v1.1
Price: $18.20
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Elecrow Item #: EL-MCS01584R -

The Relay Shield v1.1 is an Arduino compatible smart module with 4 mechanical relays providing an easy way to control high voltage. The max switching power is 35VDC 70W for each channel. It can be directly controlled by Arduino/Crowduino through digital IOs with external 9V DC supply. Compared to the Relay shield1.0, the v1.1 version use 4 selector instead of those push buttons used on version1.0, to make it more convenient to control the relays manually. Note: Please note that the pins on...

4MM Inductive Metal Proximity Sensor
Price: $11.62
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Elecrow Item #: EL-SPM0409IP -

Metal Proximity Sensor, which is also called non-contact proximity switch, it is composed of generator and shaping amplifier oscillator vibration in the switch after induction head, and produces an alternating magnetic field when the metal body detected. This Inductive Proximity Sensor has high sensitivity, fast frequency response, high repeat positioning accuracy and also stability and reliable, it can detects metal components in 0~4mm distance, and is widely used in modern industry, such as...

Xbee Shield
Price: $18.43
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Elecrow Item #: EL-MCS01407S -

XBee shield will make interfacing multiple Bee-style (XBee, GPS Bee, Bluetooth Bee and etc) easier than ever before. it has large proto area, customizable software, serial, port for easier prototyping.Featuresarduino main board compatible3 indicator LED\u010f\u017a\u02c6ON/Sleep, RSSI, ASSOC\u010f\u017a\u2030for XBeeFull size with free drillsReset button for XBee and base boardProvide maximal 500mA under 3.3VFull break out for XBeeFull break out for the base boardPackage listXBee Shield PCBA...

Speaker - 0.5W (8 ohm)
Price: $1.12
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Elecrow Item #: EL-ASO058SP -

A small audio speaker that is ideal for radio and amplifier projects and is small enough to fit in robot projects.FeaturesSmall Size: 30mm diameterPower rating: 0.5WImpedance: 8 ohm

TCS3200 Colour Sensor Module
Price: $18.20
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Elecrow Item #: EL-SEN32001T -

TCS3200 chip is designed to detect the color of light incident on it. It has an array of photodiode (a matrix of 8x8, so a total 64 sensors). These photodiodes are covered with four type of filters. Sixteen sensor have RED filter over them thus can measure only the component of red in the incident light. Like wise other sixteen have GREEN filter and sixteen have BLUE filter. As you should know that any visible colour can be broken into three primary colours. So these three type of filtered...

3mm Super Bright LED - Green(10Pcs)
Price: $1.87
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Elecrow Item #: EL-CLS30002G -

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

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...

Audio Amplifier PAM8403 with Volume Control
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Price: $3.45
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Elecrow Item #: EL-ASAA8403P -

The PAM8403 is a 3W, class-D audio amplifier. It offers low THD+N, allowing it to achieve high quality sound reproduction. The new filter less architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus to save the system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8403 is much better than that of class-AB cousins. It can extend the battery life, ideal for portable applications.Features3W Output at 10%...

Micro-Speed Motor
Price: $5.83
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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.SpecificationGear Ratio: 1:120No-load speed(3V): 50RPMNo-load speed(5V): 83RPMTorgue (3V): 0.8KgcmTorque (5V): 1.0KgcmSize: 69mm * 37mm * 23mmWeight:30g ...

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&...

Micro DC Geared Motor Set
Price: $11.20
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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.SpecificationGear Ratio: 1:120No-load speed(3V): 50RPMNo-load speed(5V): 83RPMTorgue (3V): 0.8KgcmTorque (5V): 1.0KgcmSize: 69mm * 37mm * 23mmWeight: 30g Package listMicro DC...

433Mhz Serial RF Module HC-12
Price: $28.47
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Elecrow Item #: EL-WHC0012RF -

HC-12 wireless serial port communication module is a new-generation multichannel embedded wireless data transmission module. Its wireless working frequency band is 433.4-473.0MHz, multiple channels can be set, with the stepping of 400 KHz, and there are totally 100 channels. The maximum transmitting power of module is 100mW (20dBm), the receiving sensitivity is -117dBm at baud rate of 5,000bps in the air, and the communication distance is 1,000m in open space. There is MCU inside the module,...