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Ideal for use with Arduino and other microcontrollers, this relay module uses data signals to selectively switch two 5V relays, each capable of handling 10A loads. Onboard LED indicators light when... CAT# RLM-2
$6.00 each
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Keyes. 3-color LED Module with red, green and blue output. Great for DIY project. Works with official Arduino boards. 0.98" x 0.59" x 0.08". CAT# LED-274
$4.50 each
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Ideal for use with Arduino and other microcontrollers, this relay module uses data signals to selectively switch four 5V relays, each capable of handling 10A loads. Onboard LED indicators light wh... CAT# RLM-4
$11.50 each
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This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog r... CAT# SEN-3
$4.95 each
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It's blue! It's thin (0.8mm)! It's the Arduino Pro Mini! SparkFun's minimal design approach to Arduino. This is a 5V Arduino running the 16MHz bootloader. Arduino Pro Mini does not come with connec... CAT# ARD-18
$9.95 each
10 or more    $8.95 each
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It's blue! It's thin (0.8mm)! It's the Arduino Pro Mini! SparkFun's minimal design approach to Arduino. This is a 3.3V Arduino running the 8MHz bootloader. Arduino Pro Mini does not come with conne... CAT# ARD-14
$9.95 each
10 or more    $8.95 each
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The ProtoShield mates with the Arduino USB board and gives the user a small soldering area, two general LEDs, access to a BlueSMiRF socket, a general pushbutton switch, and most important of all - ... CAT# APS-14
$9.95 each
10 or more    $8.95 each
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These headers are made to work with the Arduino Main Board, Arduino Pro, and the Arduino Mega. They are the perfect height for clearing the USB-B connector and great for stacking multiple shields.... CAT# HDR-07
$1.50 each
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An ATmega328 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 Ard... CAT# ARD-24
$5.50 each
10 or more    $4.95 each
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Black text on green background. Utilizes the extremely common HD44780 parallel interface chipset. Interface code is freely available. LED backlight. 3.15" x 1.425". CAT# LCD-255
$13.95 each
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Gomcu CZ-HC-05 Bluetooth module. 33 x 18 x 5mm pc board with 6-pin header. Can be set for master or slave operation. Onboard 3.3V regulator. Operates on 3.3-6V. For use with Arduino. CAT# HC-05B
$9.00 each
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HC-05 / ZS-040 Bluetooth module. 37 x 16.5 x 4.0mm pc board with 6-pin header. Can be set for master or slave operation. Onboard 3.3V regulator. Operates on 3.3-6V. For use with Arduino. CAT# HC-05
$8.50 each
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Basic breakout board for FTDI's popular USB to UART IC. VCCIO is tied to 3.3V through a solder jumper. You have the option of clearing this jumper and tying the VCCIO pin to 5V or any other IO vol... CAT# ARD-718
$14.95 each
10 or more    $13.46 each
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This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. Detects CO-gas concentrations anywhere from 20 to 2000ppm. This sensor has a high sensitivit... CAT# SEN-7
$7.25 each
10 to 99    $6.53 each
100 or more    $5.80 each
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AT Mega 328 MCU. 5V 16MHz. The Deek-Robot Pro Mini is nearly identical to the Sparkfun Arduino Pro Mini. It has all of the I/O of the Arduino Uno, plus two more analog inputs. There is only a 5V... CAT# AM-328P
$6.50 each
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Dallas DS18B20 temperature sensor chip mounted on a pc board with pins for plug-in use with Arduino and other platforms. Unique 1-Wire interface requires only one port pin for communication. Requ... CAT# TS-12
$5.75 each
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This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 5V Arduino boards. It can also be used... CAT# ARD-76
10 Available
$14.95 each
10 or more    $13.46 each
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This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 3.3V Arduino boards. It can also be us... CAT# ARD-73
2 Available
$14.95 each
10 or more    $13.46 each
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Analog gas sensor for Arduino and other development boards. Onboard MQ2 sensor is suitable for detecting LPG, i-butane, propane, methane , alcohol, Hydrogen, smoke. High sensitivity and fast respon... CAT# GS-29
$11.95 each
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Simple breakout board for the CAT#s SEN-3 and SEN-7 gas sensors. All you need is VCC at 5V, GND, and a resistor to an ADC, that is it. Note: This is the PCB only. 16.8mm diameter. CAT# SEN-BB
$0.95 each
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The RHT03 (also known by DHT-22) is a low cost humidity and temperature sensor with a single wire digital interface. The sensor is calibrated and doesn't require extra components so you can get rig... CAT# SEN-16
$10.95 each
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The SparkFun Inventor's Kit is a great way to get started with programming and hardware interaction with the Arduino programming language. Includes everything you need to complete 15 circuits that ... CAT# SFA-22
$99.95 each
10 or more    $89.96 each
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The IOIO (pronounced "yo-yo") is a board specially designed to work with your Android 1.5 and later device. The board provides robust connectivity to an Android device via a USB or Bluetooth connec... CAT# AND-48
$39.95 each
10 or more    $35.96 each
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Line Hunting sensor module. Consists of TCRT5000 optical sensor and LM393 dual comparator. Three-pin connector, 0.10" spacing for breadboarding, Arduino and other platforms. 5Vdc operation. CAT# LS-16
$5.50 each
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TP4056 charger for up to 1A Lithium Ion rechargeable battery. Input: 4.5-5.5Vdc. Suitable for USB-powered charger. Mini-USB input jack. 1.05" x 0.75" x 0.20". CAT# BC-4056
$3.75 each
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Bi-directional logic level converter safely steps down 5V signals to 3.3V and steps up 3.3V to 5V at the same time. This level converter also works with 2.8V and 1.8V devices. Each converter has th... CAT# LLC-46
$2.95 each
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Based on the ATmega2560, it has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connecti... CAT# ATM-2560
$28.50 each
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The TB6612FNG motor driver can control up to two DC motors at a constant current of 1.2A (3.2A peak). Two input signals (IN1 and IN2) can be used to control the motor in one of four function modes ... CAT# MD-57
$8.95 each
10 or more    $8.06 each
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SEN-08630 RoHS Compliant. This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the alarm ... CAT# PIR-6
$9.95 each
10 or more    $8.96 each
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HC-SR501 Passive InfraRed (PIR) motion sensor can be used alone or with Arduino or other microcontroller. Adjustable sensitivity and timing. 33 x 24mm pc board. 25mm overall depth. CAT# PIR-7
$7.95 each
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Optical heart rate sensor with amplification and noise cancellation circuitry making it fast and easy to get reliable pulse readings. In proximity to a pulse point on your body, it provides a digit... CAT# PSM-3
$14.00 each
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The Arduino Starter Kit is a great raw parts re-fill for beginners and weathered professionals alike. Also included is a multitude of inputs, outputs, and sensors to get your workbench back up to p... CAT# ARD-74
$49.95 each
10 or more    $44.95 each
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The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice versa (TX and RX). This will allow a microcontroller t... CAT# ARD-49
$13.95 each
10 or more    $12.56 each
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Arduino compatible controller for 16 x 2 LCD modules. Also has output for LED backlight. 16-pin header solders into LCD. 42 x 19 x 8mm pc board (excluding header pins). CAT# LCD-SI
$3.00 each
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ROB-09347 RoHS Compliant. For all your mechatronic needs, this is a simple, high quality continuous full-rotation servo motor. This servo is able to take in 6 volts and deliver 66.7 oz-in. of maxim... CAT# DCS-108
26 Available
$13.95 each
10 or more    $12.56 each
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Keyes "Funduino" Sound Sensor. Detects sounds using an LM386 audio amplifier and an electret microphone. Adjustable sensitivity with onboard pot. LED power indicator. Operates on 5 Vdc. CAT# SSM-1
$5.95 each
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Sparkfun # 12757. Sparkfun's economical alternative to the Arduino Uno, the RedBoard has most of the features of the Uno with the added benefit of an ISP header and FTDI interface. The RedBoard can... CAT# ARD-22
$19.95 each
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DK Electronics V1.0. Arduino compatible motor shield. The board has two STMicroelectronics L293D Motor H-Bridge IC's which can drive up to 4 DC motors (or up to 2 stepper motors) with 0.6 A per bri... CAT# SMD-293
$11.50 each
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Based on the Allegro A4988 stepper driver chip, this board drives bi-polar stepper motors up to a max 2A/phase. It is a chopper microstepping driver which defaults to 16 step microstepping mode. It... CAT# STMD-2
$19.95 each
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Digital temperature and humidity sensor consists of a capacitive sense element and a precision wet NTC temperature measurement device with a high-performance 8-bit microcontroller connected. Standa... CAT# SEN-4
$3.95 each
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Thermistor-based temperature sensor mounted on pc board with LM358, dual op-amp. Three-pin shrouded connector, 0.1" spacing. CAT# TS-13
$5.25 each
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2-Axis, self-centering Joystick contains two independent 10K Ohm pots (one per axis) for reporting the joystick's position. Also has a select button actuated when the joystick is pressed down. CAT# JS-932
$3.95 each
10 or more    $3.56 each
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Breakout board for the 3 axis ADXL335 from Analog Devices. The ADXL335 is a triple axis accelerometer with extremely low noise and power consumption - only 320uA! The sensor has a full sensing rang... CAT# ACL-69
$24.95 each
10 or more    $22.46 each
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The HC-SR04 Ultrasonic Sensor is an affordable proximity/distance sensor that can be used for object avoidance in various applications from robotics to car parking. The module has integral ultrason... CAT# UST-4
$4.50 each
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The Uno R3 board contains everything needed to support the onboard ATmega328 microcontroller; simply connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get ... CAT# ARD-21
$24.20 each
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The XBee Shield simplifies the task of interfacing an XBee with your Arduino. This board mates directly with an Arduino Pro or USB board, and equips it with wireless communication capabilities usin... CAT# XB-76
$14.95 each
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