Arduino Compatible

Our selection of Arduino and Arduino compatible devices is always growing. One of the most popular sections on our site, we carry everything from the UNO R3 board, to RF transmitter and receiver modules, laser modules, Micro-SD card reader/writers, electronic parts kits, PIR sensors, voice record/play modules, mini-servos, relay modules and tons more, all at great prices.

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LIGHT-ACTUATED RELAY MODULE, 12 VDC

LIGHT-ACTUATED RELAY MODULE, 12 VDC

Photo-resistor controlled relay module. S.P.D.T. relay switches when light is sufficiently low or high. Cadmium Sulfide...

$4.60 each

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RELAY MODULE WITH 0-999 SECOND TIMER

RELAY MODULE WITH 0-999 SECOND TIMER

Relay coil is energized when module is triggered, de-energized at end of pre-set count-down period, 0-999 seconds....

$11.50 each

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HC-SR505 MINI INFRARED MOTION SENSOR

HC-SR505 MINI INFRARED MOTION SENSOR

Mini-passive infrared motion detection module (PIR). Senses changes in infrared heat patterns. Frequently used to sense human...

$3.50 each

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UNO R3 STARTER KIT

UNO R3 STARTER KIT

This starter kit is a great, inexpensive way to get into programming and experimenting with the Arduino open-source...

$49.95 each

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ELECTRONIC PARTS KIT

ELECTRONIC PARTS KIT

A large assortment of electronic parts in a clear plastic box with lid. Includes: 1 - solderless breadboard with 400...

$15.95 each

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RF TRANSMITTER / RECEIVER MODULES

RF TRANSMITTER / RECEIVER MODULES

433 MHz RF transmitter and receiver. Use to send audio or data signals, or use as a remote control on/off switch. With a few...

$3.00 set

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2.1MM ID COAX PLUG WITH 9V BATTERY SNAP

2.1MM ID COAX PLUG WITH 9V BATTERY SNAP

2.1mm ID co-ax plug on two 4" wire leads terminate to 9 volt T-type battery snap.

$1.30 each

10+	$1.15 each

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16 X 2 LCD W/ KEYPAD FOR ARDUINO

16 X 2 LCD W/ KEYPAD FOR ARDUINO

16x2 LCD keypad shield developed for Arduino compatible boards provides a user-friendly interface that allows user input and...

$5.95 each

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ISD1820 VOICE RECORD/PLAY MODULE WITH SPEAKER

ISD1820 VOICE RECORD/PLAY MODULE WITH SPEAKER

Based on the ISD1820 chip, this multiple-message record/playback device offers true single-chip voice recording, non-volatile...

$7.00 each

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UNO R3 MICROCONTROLLER

UNO R3 MICROCONTROLLER

The Uno R3 (Arduino compatible) board contains everything needed to support the onboard ATmega328 microcontroller; simply...

$20.95 each

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LITHIUM BATTERY CHARGING MODULE

LITHIUM BATTERY CHARGING MODULE

TC4056A charger for up to 1A Lithium Ion rechargeable battery. Input: 4.5-5.5Vdc. Suitable for USB-powered charger. Micro-USB...

$2.75 each

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Digital high torque servo. Metal gears and bushing, 180° rotation. Servo arms and screws included. Dimensions 40.7 x 19.7...

$7.20 each

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ARDUINO STACKABLE HEADER KIT

ARDUINO STACKABLE HEADER KIT

These headers are made to work with the Arduino Main Board, Arduino Pro, and the Arduino Mega. They are the perfect height...

$1.50 each

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IR OBSTACLE AVOIDANCE SENSOR

IR OBSTACLE AVOIDANCE SENSOR

Uses infrared beam to detect proximity of obstacles. Great for sounding an alarm or changing direction of a robot or...

$2.75 each

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MICRO SD CARD READER/WRITER MODULE

Limited Quantity

MICRO SD CARD READER/WRITER MODULE

This Micro SD card module can be used to read and write Micro SD cards with your Arduino or favorite microcontroller. Great...

$2.85 each

Low Stock, will ship if available

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GEARMOTOR AND WHEEL ASSEMBLY

GEARMOTOR AND WHEEL ASSEMBLY

• 4.5 - 10 Vdc gear motor • 120 RPM @ 6 Vdc, 100Ma (no-load rating) • Motor with gearbox is 2.5" x 0.75" x...

$3.00 each

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Controllable laser module can be used as a trip wire for theft detection or for optical effects. 650nM red laser. Operating...

$2.80 each

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ADJUSTABLE PWM MODULE

ADJUSTABLE PWM MODULE

Pulse Width Modulation (PWM) frequency generator. Adjustable frequency and duty cycle for use as motor driver, dimming...

$5.95 each

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PIEZO VIBRATION SENSOR MODULE

PIEZO VIBRATION SENSOR MODULE

Piezo elements, like microphones and speakers, are transducers that convert vibration to electrical energy. Here's a little...

$1.75 each

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ARDUINO UNO CASE, CLEAR

ARDUINO UNO CASE, CLEAR

Clear plastic case, designed for our UNO R3 microcontroller, CAT# ARD-21 . Includes all the hardware you need to put the...

$3.50 each

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ATMEGA328 W/ ARDUINO OPTIBOOT (UNO)

ATMEGA328 W/ ARDUINO OPTIBOOT (UNO)

An ATmega328 in DIP package, pre-loaded with the Arduino Optiboot (Uno 16MHz) Bootloader. This will allow you to use Arduino...

$8.50 each

10+	$8.00 each

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CONTINUOUS ROTATION SERVO

CONTINUOUS ROTATION SERVO

Model DS04-NFC. 360° rotation, standard size servo. For model cars, robots, aircraft and other remote control projects....

$9.50 each

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NANO ATMEGA328 MICROCONTROLLER BOARD W/ USB PORT

NANO ATMEGA328 MICROCONTROLLER BOARD W/ USB PORT

Nano V3.0 ATmega328P Microcontroller Board w/ on-board USB port and headers. Bootloader installed, ready to upload sketches...

$10.95 each

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ULTRASONIC DISTANCE SENSOR

ULTRASONIC DISTANCE SENSOR

The HC-SR04 Ultrasonic Sensor is an affordable proximity/distance sensor that can be used for object avoidance in various...

$3.25 each

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SG92R MINI SERVO

SG92R MINI SERVO

TowerPro SG92R 9g digital servo. POM with Carbon fiber gears. 180° rotation (90° each direction). Teflon bushing....

$4.75 each

10+	$4.50 each

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RAIN SENSOR / MOISTURE MONITOR W/ RELAY

Limited Quantity

RAIN SENSOR / MOISTURE MONITOR W/ RELAY

Rain or moisture on the sensor will cause the SPDT 12 Vdc relay to switch. This switching action can be used to turn on a...

$6.50 each

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STEPPER MOTOR AND DRIVER BOARD

STEPPER MOTOR AND DRIVER BOARD

Ideal for beginning robotics projects. Motor is a 4-phase, unipolar stepper, #28BYJ-48. Includes our driver board, CAT#...

$5.35 set

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5VDC RELAY MODULE W/ OPTOISOLATION & HI/LOW JUMPER

5VDC RELAY MODULE W/ OPTOISOLATION & HI/LOW JUMPER

Similar to our relay module, RLM-1, this 5Vdc 10A opto-isolated relay module can be triggered by high or low signal by...

$4.00 each

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4-CHANNEL RELAY MODULE

4-CHANNEL RELAY MODULE

Ideal for use with Arduino and other microcontrollers, this relay module uses data signals to selectively switch four 5V...

$8.00 each

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SENSOR KIT FOR ARDUINO

SENSOR KIT FOR ARDUINO

A very handy kit containing 37 different devices with the standard 3-pin interface for Arduino. We sell many of these...

$36.00 each

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RELAY MODULE WITH 0-25 SECOND TIMER

RELAY MODULE WITH 0-25 SECOND TIMER

Relay module can switch loads up to 10A @ 30Vdc for adjustable period of 0-25 seconds. Press momentary push-button to...

$5.75 each

5+	$5.25 each

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1-CHANNEL RELAY MODULE

1-CHANNEL RELAY MODULE

Ideal for use with Arduino and other microcontrollers, this relay module uses data signals to switch a 5V relay. Onboard LED...

$3.50 each

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0.96 INCH OLED DISPLAY MODULE

0.96 INCH OLED DISPLAY MODULE

This tiny 0.96 inch OLED display has a resolution of 128 x 64 pixels and uses a standard (configurable) serial interface for...

$6.95 each

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ARDUINO UNO CASE, BLACK

ARDUINO UNO CASE, BLACK

Black, plastic protective case designed specifically for the Arduino Uno. The two-piece case snaps together around the board,...

$3.50 each

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LINEAR MAGNETIC HALL SENSOR

LINEAR MAGNETIC HALL SENSOR

Simple analog hall effect sensor module used for proximity switching, positioning, speed detection, and current sensing...

$2.50 each

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HC-SR501 Passive InfraRed (PIR) motion sensor can be used alone or with Arduino or other microcontroller. Adjustable...

$3.25 each

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XY JOYSTICK MODULE

XY JOYSTICK MODULE

Handy dual axis joystick module with select button for Arduino projects. Contains two independent 10k ohm potentiometers (one...

$1.75 each

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LINE FOLLOWING / REFLECTIVITY SENSOR

Limited Quantity

LINE FOLLOWING / REFLECTIVITY SENSOR

Measures the reflectivity of a surface using infrared emitter/ detector pair. Built around the LM393 comparator, it requires...

$2.75 each

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The GainSpan GS1011MIE module offers a quick, easy and cost-effective way to add Wi-Fi capabilities to your projects or...

$2.00 each

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DS1302 REAL TIME CLOCK MODULE

DS1302 REAL TIME CLOCK MODULE

The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar. It communicates with a microprocessor via a...

$3.00 each

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IR TRANSMITTER MODULE

IR TRANSMITTER MODULE

IR transmitter module designed for IR communication when paired with IR receiver (CAT# ST-1089). Indicator LED lights when...

$3.40 each

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VIBRATION SENSOR MODULE FOR ARDUINO

VIBRATION SENSOR MODULE FOR ARDUINO

SW-420 vibration module, operates on 3.3V to 5V. The sensor uses LM393 comparator to detect the vibration over a threshold...

$1.95 each

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2-CHANNEL RELAY MODULE

2-CHANNEL RELAY MODULE

Ideal for use with Arduino and other microcontrollers, this relay module uses data signals to selectively switch two 5V...

$4.75 each

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IR REMOTE RELAY MODULE, 5VDC

Limited Quantity

IR REMOTE RELAY MODULE, 5VDC

• 5Vdc S.P.D.T. relay activated by infrared remote control • 10 Amp relay will switch AC or DC devices •...

$8.40 each

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ACTIVE BUZZER MODULE

ACTIVE BUZZER MODULE

3-pin piezo beeper module produces high-pitched tone when energized. Operates on low voltage, 3.5 - 5.5 Vdc. Built-in...

$1.15 each

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LIQUID FLOW SENSOR

Limited Quantity

LIQUID FLOW SENSOR

Water flow sensor measures the rate of liquid flowing through it. Consists of a plastic valve body, flow rotor and hall...

$6.00 each

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RFID READ AND WRITE KIT

Limited Quantity

RFID READ AND WRITE KIT

Give your Arduino the power to read and write RFID cards. Based on the versatile MFRC522 chip, this module allows you to both...

$5.75 each

Low Stock, will ship if available

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PHOTORESISTOR MODULE

PHOTORESISTOR MODULE

Light-dependent Cadmium Sulfide (CdS) resistor module for use with Arduino-style devices. Approximately 100Ω light,...

$2.40 each

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DIGITAL TEMPERATURE SENSOR MODULE

Limited Quantity

DIGITAL TEMPERATURE SENSOR MODULE

Dallas DS18B20 temperature sensor chip mounted on a pc board with pins for plug-in use with Arduino and other platforms....

$2.75 each

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IR RECEIVER MODULE

IR RECEIVER MODULE

Simple IR receiver module used to read infrared light value. Can be used to communicate with our IR transmitter module (CAT#...

$1.50 each

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