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T5577 RFID Tag - Read/Write 125kHz
$2.95  
8 pc(s)
RFID is useful for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications. This basic T5577 RFID tag works in the 125kHz RF range and supports read/write operation. Note : This is a blank tag - its ID must be chosen and...
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Wheel For Toy Motor and TT Motor - 32mm Diameter
$0.45  
41 pc(s)
This custom-designed plastic wheel has a rubber ring measuring 32mm in diameter and is designed to fit the 2mm shafts and the output shaft on our DC toy motor . It also has a slot for fitting onto our TT motor and comes with a mounting screw for secure attachment. Wheel body: ø32 x 7mm
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Shaft - Solid 2mm Diameter x 20mm
$0.10 $0.20  
33 pc(s)
These 20mm long steel shafts have a diameter of 2mm. These shafts are solid, which makes them an ideal choice for axles. They fit on the following wheel and pulley: Wheel: RBT-02709 RBT-02711 RBT-02713 Pulley: RBT-02714 RBT-02715...
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Shaft - Solid 2mm Diameter x 30mm
$0.10 $0.20  
14 pc(s)
These 30mm long steel shafts have a diameter of 2mm. These shafts are solid, which makes them an ideal choice for axles. They fit on the following wheel and pulley: Wheel: RBT-02709 RBT-02711 RBT-02713 Pulley: RBT-02714 RBT-02715...
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Shaft - Solid 2mm Diameter x 40mm
$0.10 $0.20  
30 pc(s)
These 40mm long steel shafts have a diameter of 2mm. These shafts are solid, which makes them an ideal choice for axles. They fit on the following wheel and pulley: Wheel: RBT-02709 RBT-02711 RBT-02713 Pulley: RBT-02714 RBT-02715...
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Shaft - Solid 2mm Diameter x 75mm
$0.10 $0.20  
2 pc(s)
These 75mm long steel shafts have a diameter of 2mm. These shafts are solid, which makes them an ideal choice for axles. They fit on the following wheel and pulley: Wheel: RBT-02709 RBT-02711 RBT-02713 Pulley: RBT-02714 RBT-02715...
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Arduino Sensor Kit (34 Sensor Modules)
$55.60 $69.50  
1 pc(s)
Note: For safety reasons and to comply with local government regulation, this kit does not contain any Laser Emitter and sensors containing Mercury. The sensor kit for the Arduino system consists of 34 individual sensor modules which can be used to carry out many interesting...
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Electric Paint Lamp Kit
$48.00 $60.00  
6 pc(s)
Make three paper lamps with no tools, no programming, no special skills required. A great gift for anyone that needs more light in their life! Transform a piece of paper into a beautiful lamp in three easy steps. Paint, plug, and play! Use this Electric Paint to create custom...
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5mm Fast Flashing RGB LED - Clear (10pcs)
$1.50  
31 pc(s)
These are very interesting 5mm diffused RGB LEDs - instead of having 4 pins to control 3 LEDs, they have only two leads - power and ground. When powered, the LEDs perform a flashing effect with all the colors. There is no way to change the 'program' or rate, its burned into a little chip that...
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WS2812 RGB Ring - 24 LED
$5.25 $7.50  
130 pc(s)
Round and round and round they go! 24 ultra bright smart RGB LED are arranged in a circle with 86mm outer diameter. The rings are 'chainable' - connect the output pin (DO) of one to the input pin (DI) of another. Use only one microcontroller pin to control as many as you can chain together!...
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Opto-Isolated Relay Module - 16 Channels (5V)
$22.99  
1 pc(s)
This 16 channels Relay Module can be used to control the lighting, electrical and other equipments through the digital IO port. The digital input circuit is optically isolated from the relay, so your controller is protected from voltage spikes and surges. The module is controlled with 5V...
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M12 (S-Mount) lens - 6mm
$4.45  
10 pc(s)
M12 Lenses, also referred to as S-Mount Lenses, are compact imaging lenses designed for use with many small format cameras. They are ideal for environments where space is limited. Designed for use in micro sensor board cameras, this low cost 6mm fixed lens with IR Cut Filter provides...
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M12 (S-Mount) lens - 8mm
$6.45  
12 pc(s)
M12 Lenses, also referred to as S-Mount Lenses, are compact imaging lenses designed for use with many small format cameras. They are ideal for environments where space is limited. Designed for use in micro sensor board cameras, this low cost 8mm fixed lens with IR Cut Filter provides...
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M12 (S-Mount) lens - 12mm
$6.45  
3 pc(s)
M12 Lenses, also referred to as S-Mount Lenses, are compact imaging lenses designed for use with many small format cameras. They are ideal for environments where space is limited. Designed for use in micro sensor board cameras, this low cost 12mm fixed lens with IR Cut Filter...
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M12 (S-Mount) lens - 16mm (5 MegaPixels)
$9.95  
3 pc(s)
M12 Lenses, also referred to as S-Mount Lenses, are compact imaging lenses designed for use with many small format cameras. They are ideal for environments where space is limited. Designed for use in micro sensor board cameras, this low cost 16mm fixed lens with IR Cut Filter...
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M12 (S-Mount) Plastic Lock Ring
$0.10  
117 pc(s)
M12x0.5mm Plastic Lock Ring for securing M12 Lenses on lens holders.
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M12 (S-Mount) lens - 3.6mm
$4.45  
11 pc(s)
M12 Lenses, also referred to as S-Mount Lenses, are compact imaging lenses designed for use with many small format cameras. They are ideal for environments where space is limited. Designed for use in micro sensor board cameras, this low cost 3.6mm fixed lens with IR Cut Filter...
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Capacitive Touch Breakout - AT42QT1011
$9.50  
2 pc(s)
If you need to add user input without using a button, then a capacitive touch interface might be the answer. The AT42QT1011 SparkFun Capacitive Touch Breakout offers a single, momentary capacitive touch button with easy-to-use digital I/O pins. The AT42QT1011 is a dedicated,...
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Non-contact Liquid Level Sensor (Open Collector Output)
$19.95  
4 pc(s)
This non-contact liquid level sensor can be triggered when the liquid level fall below the sensor attached to the outside surface of a non-metal container. Unlike traditional liquid level sensors, it does not need to be immersed into liquid. So, in this way, liquid will not be contaminated...
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Micro Servo - 9g (360° Full Rotation)
$5.90  
Out-of-stock
Here is a simple, low-cost, high quality continuous 360° full-rotation servo motor for all your mechatronic needs. Small servo with a standard 3 pin power, control cable, and mounting hardware. This servo is very similar in size and specifications to the Hitec HS-55. Includes hardware as...
Out-of-stock
High Torque Metal Gear Servo (270° Rotation)
$19.90  
3 pc(s)
This high-torque servo now comes with metal-gear for extra-high torque (10.5 kg/cm!) and reliability! It can rotate at approximately 270 degrees with a classic 500µS to 2500µS pulse. You can use any servo code, hardware or library to control these servos. Good for applications that require...
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7-Segment Green LED - 0.8" Digit Height
$3.50  
5 pc(s)
Your basic 7-segment LED, Common anode. Digit height is 0.8" (20.4mm). Overall height is 27.7mm. Documents: Datasheet Arduino Library
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SparkFun Motor Driver - Dual TB6612FNG (with Headers)
$14.65 $19.55  
8 pc(s)
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: CW, CCW, short-brake, and stop. The two motor outputs (A and B) can be separately controlled,...
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UV 400nm Purple LED Clear Lens - 5mm (10 pcs)
$2.95  
45 pc(s)
These LEDs emit UV 'blacklight' in the UV spectrum so they are great for projects with fluorescent materials referred to as UV/blacklight-reactive or 'glow-in-the dark'. They are bright (350mcd) and have about a 20-degree LED beam. They go easily into a breadboard and come in a pack of ten so...
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Medium Breadboard White, 400 Tie-In Points
$2.95  
1 pc(s)
This is your tried and true white solderless breadboard. It has 2 power buses, 30 columns, and 10 rows - a total of 400 tie in points. All pins are spaced by a standard 0.1". The two sets of five rows are separated by about 0.3", perfect for straddling a DIP package over. The board accepts...
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HDMI Cable - 1.5 Meters
$9.95  
2 pc(s)
This is an inexpensive HDMI cable that you can use to hook up your Raspberry Pi 3B to a suitable monitor or TV. Heck, you can hook up anything you want with it, HDMI is becoming more and more common as a digital audio/video standard. Dimensions: 1.5 meters Long
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3.5mm Stereo Audio Jack Terminal Block - 4-Pole (TRRS)
$1.95  
8 pc(s)
One truth about working with audio is you always need the cable or adapter you don't have in your toolbox. That's why we love these terminal-block audio connectors so much. No soldering required! Use stranded or solid core wire and a small screw driver to create custom wiring jigs. This is...
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Ultrasonic Range Finder - I2CXL-Maxsonar EZ4 (MB1242)
$58.50  
2 pc(s)
The I2CXL-MaxSonar-EZ sensors now feature an I2C bus. This allows for easy I2C integration and multisensor operation using a single bus. The I2CXL‑MaxSonar‑EZ4 has the highest noise tolerance and narrowest beam of any of our indoor sensors. The sensor is designed and calibrated to...
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MicroSD Card Adapter
$0.20  
33 pc(s)
The micro SD card adapter looks like a regular-sized SD card with a slot in it for the microSD card. It allows you to transfer data between your device and a computer.
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ESP32 Development Board
$19.95  
2 pc(s)
The ESP32 Development Board is a low-footprint, minimal system development board powered by ESP-WROOM-32 module. The ESP-WROOM-32 is a powerful and compact module that combines Wi-Fi and Bluetooth to support a wide range of applications that require wireless and internet connectivity. This...
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Arduino Uno Rev 3 ( A000066 )
$39.95 $45.00  
Out-of-stock
This is the new Arduino Uno R3. In addition to all the features of the previous board, the Uno now uses an ATmega16U2 instead of the 8U2 found on the Uno (or the FTDI found on previous generations). This allows for faster transfer rates and more memory. No drivers needed for Linux or Mac (inf...
Out-of-stock
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SparkFun moto:bit
$22.50 $45.00  
4 pc(s)
The SparkFun moto:bit is a fully loaded "carrier" board for the micro:bit that, when combined with the micro:bit, provides you with a fully functional robotics platform. The moto:bit offers a simple, beginner-friendly robotics controller capable of operating a basic robotics chassis. Onboard...
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Programming Fixture 8266 - ESP8266
$25.50 $34.95  
6 pc(s)
The Programming Fixture 8266 is an innovative programming / testing tool specially designed for ESP-07 , ESP-07S, ESP-12F and ESP-12S. It provides an efficient way to program and test the ESP8266 module before soldering the module to the board. User just need to place the module on the...
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Infrared Obstacle Avoidance Sensor
$1.95  
10 pc(s)
The Infrared Obstacle Avoidance Sensor has a pair of infrared transmitting and receiving sensors. The infrared LED emits Infrared signals at certain frequency and when an obstacle appears on the line of infrared light, it is reflected back by the obstacle which is sensed by the receiver....
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Basic Temperature-Humidity Sensor Breakout - DHT11
$5.50  
6 pc(s)
The DHT11 is a basic, ultra low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the surrounding air, and spits out a digital signal on the data pin (no analog input pins needed). Its fairly simple to use, but requires...
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Aluminum Heatsink Self-adhesive - 11mmx11mm
$0.50  
8 pc(s)
This tiny little aluminium heatsink is a perfect solution for cooling off small surface-mount components such as CPUs on Raspberry Pi or stepper motor driver. The heatsink includes thermal adhesive tape for better heat dissipation. The installation is simple, what you need to do is to remove...
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32x8 SPI Dot Matrix Display Module - MAX7219 - Red
$14.99  
1 pc(s)
This 32 x 8 SPI Dot Matrix Module allows you to experiment with dot matrix LED's without all the complicated wiring. The module makes use of the MAX7219 LED driver which handles all the complicated stuff such as multiplexing the LEDs and driving them at the correct currents. What's more, the...
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8x8 SPI Dot Matrix Display Module - MAX7219 - Red
$3.90  
7 pc(s)
This 8x8 SPI Dot Matrix Module allows you to experiment with dot matrix LED's without all the complicated wiring. The module makes use of the MAX7219 LED driver which handles all the complicated stuff such as multiplexing the LEDs and driving them at the correct currents. What's more, the...
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Mifare 13.56MHz RC522 RFID Card Reader (3.3V Supply)
$6.35 $7.95  
5 pc(s)
MFRC522 is the highly integrated RFID card reader which works on non-contact 13.56MHz communication. Designed by NXP as a low power consumption, low cost and compact size read and write chip, this MFRC522 is the best choice in the development of portable hand-held devices. It supports...
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RPLIDAR A2M8 360° Laser Scanner - 12 Meters
$499.95  
1 pc(s)
IMPORTANT: This version (A2M8R4), with maximum laser power of 5mW, is a class 3a laser apparatus and does not require license to possess or use. The laser power of newer version (A3) has increased to 10-12mW which make it a controlled class 3b apparatus. Licenses are required to legally...
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Corner Cube Kit For MakerBeamXL - Clear
$25.70  
2 pc(s)
This Corner Cubes can join up to three MakerBeamXL in right angle. Corner Cubes are joined with a beam by the threaded beam ends. Each set contains 12 15mmx15mmx15mm cubes Note : Not compatible with 10mmx10mm MakerBeam.
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MakerBeamXL - 500mm Clear Anodised (Threaded)
$9.90  
28 pc(s)
MakerBeamXL is a Mini-T open-source building system. Mini-T is a miniature version of T-slot (a technology that is widely used for industrial automation, robotics and machine enclosures.) Not only is it small enough to work as a model building system, but it's also precise and strong enough...
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MakerBeamXL - 1000mm Clear Anodised (Threaded)
$15.50  
27 pc(s)
MakerBeamXL is a Mini-T open-source building system. Mini-T is a miniature version of T-slot (a technology that is widely used for industrial automation, robotics and machine enclosures.) Not only is it small enough to work as a model building system, but it's also precise and strong enough...
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Servo Shield For OpenMV Cam
$25.95  
2 pc(s)
The Servo Shield gives your OpenMV Cam the ability to control up to 8 servos in parallel. It features the PCA9685 Servo Controller which can also do general-purpose PWM. We've got a PCA9685.py script for controlling the chip for general-purpose PWM and a Servo.py script for controlling...
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Smart Dust Sensor - SM-PWM-01C
$19.90  
5 pc(s)
This is a dust sensor that detects the dust particle concentration in air by using optical sensing method. An infrared light emitting diode (IR LED) and a photo-sensor are optically arranged in the device. The photo-sensor detects the reflected IR LED light by dust particles in air. The...
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Optical Dust Sensor - GP2Y1014AU0F
$19.90  
2 pc(s)
Sharp's GP2Y1014AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a phototransistor are diagonally arranged into this device, to allow it to detect the reflected light of dust in air. It is especially effective in detecting very fine...
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Mini Breadboard - Green
$1.75  
18 pc(s)
This black Mini Breadboard is a great way to prototype your small projects! With 170 tie points there's just enough room to build and test simple circuits; They're also great for breaking out DIP package ICs to jumper wires! Perfect for tiny projects and for sticking onto the top of Arduino...
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Mini Breadboard - Red
$1.75  
17 pc(s)
This black Mini Breadboard is a great way to prototype your small projects! With 170 tie points there's just enough room to build and test simple circuits; They're also great for breaking out DIP package ICs to jumper wires! Perfect for tiny projects and for sticking onto the top of Arduino...
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Educational Traffic Light Module
$1.20 $1.35  
3 pc(s)
The Educational Traffic Light Module is a low cost hardware module designed to allow users to take their first steps into interfacing microcontroller with the real world. It is designed to remove many of the common hurdles people are faced with when getting started using hardware with the...
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I2C 20x4 Character LCD Module - Black on Green 5V
$17.95  
8 pc(s)
This is another great 20x4 character LCD display with I2C interface. As the pin resources of Arduino controller is limited, your project may be not able to use standard LCD module after connected with a certain quantity of sensors or SD card. However, with this I2C interface LCD module, you...
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Mini Breadboard - Yellow
$1.75  
13 pc(s)
This black Mini Breadboard is a great way to prototype your small projects! With 170 tie points there's just enough room to build and test simple circuits; They're also great for breaking out DIP package ICs to jumper wires! Perfect for tiny projects and for sticking onto the top of Arduino...
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Breakout Board for microSD w/Level Shifter
$11.90  
4 pc(s)
This Level Shifting microSD Breakout from Sparkfun is quite similar to the microSD Transflash Breakout, but with the included level shifting hardware, this board allows you to utilize a microSD card at Arduino's SD library's top speed on a 5V system. With this small breakout board, that is...
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Illuminated Capacitive Switch Module - Green
$2.50 $3.60  
8 pc(s)
This Illuminated Capacitive Switch Module feature an innovative method of combining the benefits of capacitive switching with colour back lighting. The backlit switching solution allows makers to prototype and evaluate HMI designs without the need to develop custom capacitive sensors and back...
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RFID Tag - 125kHz
$2.35 $2.95  
19 pc(s)
RFID is useful for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications. This basic RFID tag works in the 125kHz RF range and comes with a unique 40-bit ID. It is not re-programmable. This blank, smooth, and mildly...
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Illuminated Capacitive Switch Module - Yellow
$2.50 $3.60  
8 pc(s)
This Illuminated Capacitive Switch Module feature an innovative method of combining the benefits of capacitive switching with colour back lighting. The backlit switching solution allows makers to prototype and evaluate HMI designs without the need to develop custom capacitive sensors and back...
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Illuminated Capacitive Switch Module - Blue
$2.50 $3.60  
2 pc(s)
This Illuminated Capacitive Switch Module feature an innovative method of combining the benefits of capacitive switching with colour back lighting. The backlit switching solution allows makers to prototype and evaluate HMI designs without the need to develop custom capacitive sensors and back...
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Illuminated Capacitive Switch Module - Red
$2.50 $3.60  
1 pc(s)
This Illuminated Capacitive Switch Module feature an innovative method of combining the benefits of capacitive switching with colour back lighting. The backlit switching solution allows makers to prototype and evaluate HMI designs without the need to develop custom capacitive sensors and back...
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Grove Cable With 4-Pin Female Jumper
$1.50  
2 pc(s)
This Grove Cable with 4-Pin Female Jumper lets you bridge between a Grove socket and device with standard 1" header pins. Cable length approx. 200mm
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Mini Breadboard - Black
$1.75  
14 pc(s)
This black Mini Breadboard is a great way to prototype your small projects! With 170 tie points there's just enough room to build and test simple circuits; They're also great for breaking out DIP package ICs to jumper wires! Perfect for tiny projects and for sticking onto the top of Arduino...
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Mini Breadboard - Blue
$1.75  
12 pc(s)
This blue Mini Breadboard is a great way to prototype your small projects! With 170 tie points there's just enough room to build and test simple circuits; They're also great for breaking out DIP package ICs to jumper wires! Perfect for tiny projects and for sticking onto the top of Arduino...
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Through-Beam Infrared Sensor Kit - 30cm
$7.90  
8 pc(s)
This Through-Beam Infrared Sensor Kit consists of two separate components: an Infrared transmitter and detector. They work by having an transmitter side that sends out a beam of human-invisible infrared light, then a detector across the way which is sensitive to that same light. When an...
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L298 Dual Motor Driver Module 2A
$5.50  
3 pc(s)
This dual motor driver is based on the L298N heavy-duty dual H-bridge controller, which can be used to drive two DC motors at up to 2A each, with a voltage between 5 and 35V DC - or one stepper motor or 2 solenoids with ease. The driver has a nice heatsink to keep the L298N cool and all...
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ZX Distance and Gesture Sensor
$31.95 $39.90  
2 pc(s)
The ZX Distance and Gesture Sensor is a touchless sensor that is capable of looking for simple gestures. Developed in conjunction with XYZ Interactive , the sensor uses their GestureSense® technology to recognize the distance of an object away from the sensor up to about 12 inches (30cm,...
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Ardumoto - Motor Driver Shield
$31.00 $36.50  
1 pc(s)
The Ardumoto Shield is a dual-motor controller for Arduino. Based on the L298 H-bridge, the SparkFun Ardumoto can drive two DC motors up to 2A per channel. Combined with an Arduino, the Ardumoto makes a fantastic controller platform for RC vehicles or even small autonomous robots. It's now...
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Mini Lock-style Solenoid - 12VDC
$5.00  
8 pc(s)
Solenoids are basically electromagnets: they are made of a big coil of copper wire with an armature (a slug of metal) in the middle. When the coil is energized, the slug is pulled into the center of the coil. This makes the solenoid able to pull from one end. This solenoid has a slug...
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Raspberry Pi Zero Mini Camera - 72 Degree 60mm
$32.00 $40.00  
5 pc(s)
This teeny-weeny Camera Board is the perfect companion to the popular Raspberry Pi Zero! The sensor is 5MP, and the components are mounted on the flexible circuit board. As such, a little care is needed when handling, just like the connector on the Pi Zero. It's a great camera in a tiny...
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28mm Crocodile Clips (10 pcs)
$0.50 $0.80  
43 pc(s)
Pack of 10, 28mm Crocodile Clips. Excellent for fast prototyping where removable connections are essential. Features two side notches at the back of the clip for securing to leads and wires. Available as a pack of 10 clips. These miniature crocodile clips are perfect to use with...
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Mini Submersible Liquid Pump - Horizontal (2.5V to 5VDC)
$2.95  
4 pc(s)
Looking for a battery powered liquid pump for your Micro:Bit project? This Mini Submersible Liquid Pump operates between DC 2.5V to 5V. You can PWM the motor to speed up or slow down the flow rate. Works great with motor driver or a simple relay. This liquid pump does not come with tubing....
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Membrane 3x4 Matrix Keypad
$1.65 $2.35  
3 pc(s)
This 12-button keypad provides a useful human interface component for microcontroller projects. It's made of a thin, flexible membrane material with an adhesive backing so you can attach it to nearly anything. The keys are connected into a matrix, so you only need 7 microcontroller pins...
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Panel Mount Toggle Switch - DPDT
$0.60 $0.90  
1 pc(s)
This heavy duty double-pole, double-throw (SPDT) toggle switch is great for any project where you need two switches each with two options to select between. Rated for 6A at 125VAC. Includes threaded nuts and washer for mounting. Features! DPDT 6 Terminal ON-OFF-ON 3 - Position...
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3.3V, 2.5A Step-Down Voltage Regulator D24V25F3
$35.00  
10 pc(s)
This D24V25F3 synchronous buck voltage regulator takes an input voltage of up to 38 V and efficiently reduces it to 3.3 V. The board measures only 0.7″ × 0.7″ yet delivers a typical continuous output current of up to 2.5 A and features reverse voltage protection. Typical efficiencies of 80%...
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TT Gear Motor - 200RPM
$4.50  
6 pc(s)
These inexpensive and reliable TT Gear Motors are an easy, low-cost way to get your projects moving. These gear motors require a voltage of 3-6VDC with a no load current of less than 150mA at 3V and possess a stall torque of 0.8kg.cm at 6V, a gearbox ratio of 48:1, and it comes with 2 x 200mm...
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Rubber Wheel For TT Gear Motor - 65mm Diameter
$1.95  
5 pc(s)
This Rubber Wheel For TT Gear Motor is equipped with a nice, thick rubber tread with excellent traction, and a press-fit design to make connecting super quick and easy. Note : This wheel is only for use with TT gearbox motors . Wheel body: 65 x 28mm
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HC-06 Bluetooth Module
$16.80  
3 pc(s)
The HC-06 is a class 2 slave Bluetooth module designed for transparent wireless serial communication. Once it is paired to a master Bluetooth device such as PC, smart phones and tablet, its operation becomes transparent to the user. All data received through the serial input is immediately...
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Membrane 4x4 Matrix Keypad
$1.65 $2.35  
5 pc(s)
This 16-button keypad provides a useful human interface component for microcontroller projects. It's made of a thin, flexible membrane material with an adhesive backing so you can attach it to nearly anything. The keys are connected into a matrix, so you only need 8 microcontroller pins...
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Rocker Switch - SPDT Small
$0.60 $0.90  
29 pc(s)
The rocker switch is a classic and this one is a great size for an unobtrusive on/off switch. It can be panel mounted and has two tabs for connecting wire. You can either solder wire or use a quick-connect connector. Features : Maximum Voltage: 250VAC Maximum Current: 3A @...
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Water Sensor - Small
$2.10  
4 pc(s)
This Water Sensor is designed for water detection, which can be used in sensing the water level and leakage. This sensor works by having a series of exposed copper traces which will turn on the transistor when water droplets shot the copper traces. This sensor works with the digital I/O...
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Water Sensor - Large
$2.50  
2 pc(s)
This water sensor is designed to detect water, which can be used to sense water level and leakage. It works by using exposed copper traces to detect the presence of water droplets. The sensor board has a sensing area of 47 x 36mm. The on-board potentiometer is used to set the threshold for...
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Break Away Female Headers - Swiss Machine Pin
$2.50  
15 pc(s)
Single row of 40-holes, female header with swiss round machined pins. These units have very high quality round pins to accept and retain machine pin headers much better. Can be cut to size with a pair of wire-cutters. Standard 2.54mm spacing. Documents: 40-Pin Swiss Female...
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USB Extension Cable - 1 meter
$3.95  
6 pc(s)
This is a 1 meter long USB extension cable equipped with type A male connector on one end to plug into your computer and a type A female connector at the other that allows for a second USB cable to be inserted. This cable is perfect for adding a periphery that utilizes USB without having it...
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USB Extension Cable - 50cm
$3.00  
5 pc(s)
This is a 50cm long USB extension cable equipped with type A male connector on one end to plug into your computer and a type A female connector at the other that allows for a second USB cable to be inserted. This cable is perfect for adding a periphery that utilizes USB without having it...
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LiPower Shield
$36.00 $48.00  
2 pc(s)
Is there anything an Arduino can't do? Well, for one, most of them can't be powered directly from a 3.7V LiPo battery; much less charge and monitor that battery. The SparkFun LiPower Shield takes care of this by combining the functionality of two of our favorite battery power boards: the...
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LilyPad LED Red (5pcs)
$4.75 $5.95  
4 pc(s)
This is a simple pack of five Red LilyPad LEDs that are still attached to one another, letting you snap the LEDs apart at your leisure to sew into clothing or whatever else you can dream up. LilyPad is a wearable e-textile technology developed by Dr. Leah Buechley and cooperatively...
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WS2812 Diffused RGB LED, PTH 8mm
$1.00  
7 pc(s)
We know this looks like a lot of our other LEDs, but it's not! This is a PTH Addressable RGB LED with a WS2812 control IC built right into the LED. This PTH version is incredibly similar to its SMD cousin, except it is breadboard friendly and a lot simpler to solder into your project and is...
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Mini USB Microphone
$7.95  
2 pc(s)
This plug-and-play Mini USB Microphone needs no driver, and its USB interface means you can use it with any computer, laptop, SBC, etc! Works great with a Raspberry Pi computer, but you can also use it with any other computer you want to record audio on. Simply plug it right in and...
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2 x AAA Battery Holder w/Switch and JST Connector
$2.25  
Out-of-stock
This 2xAAA Battery Holder with Switch and JST Connector is compatible with the BBC micro:bit. Supplied with ~150mm colour coded power leads and a JST connector at the end, this battery holder is light and can be attached to the back of BBC micro:bit cases. This battery holder features a lid...
Out-of-stock
3.5mm Stereo Audio Jack Terminal Block
$1.95  
9 pc(s)
One truth about working with audio is you always need the cable or adapter you don't have in your toolbox. That's why we love these terminal-block audio connectors so much. No soldering required! Use stranded or solid core wire and a small screw driver to create custom wiring jigs. This is...
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3.5mm Stereo Plug w/Spring Strain Relief
$1.95  
4 pc(s)
Repair or design your very own audio cables with these nice and durable phono-jack connectors. This is a great plug to make your own cable with. it's made out of durable metal with a flexible, sturdy spring for strain-relief. Just solder the connector to some wires and you have a DIY audio...
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3.5mm 4-Pole (TRRS) Plug w/Spring Strain Relief
$1.50  
10 pc(s)
Repair or design your very own audio cables with these nice and durable phono-jack connectors. This is a great plug to make your own cable with. it's made out of durable metal with a flexible, sturdy spring for strain-relief. Just solder the connector to some wires and you have a DIY audio...
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3.5mm Stereo Plug
$0.50  
13 pc(s)
This is a simple 3.5mm stereo audio plug with a screw-on plastic shroud. These are great for projects that plug into headphone jacks. Stereo plugs can also be used for carrying serial comm connections! The outer shell unscrews to reveal solder terminals on the inside of the plug. Solder on your...
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Breadboard-Friendly 3.5mm Stereo Headphone Jack
$1.05 $1.50  
84 pc(s)
Pipe audio in or out of your project with this very handy breadboard-friendly audio jack. It's a stereo jack with disconnect-switches on Left and Right channels as well as a center ground pin. You can use any 3.5mm stereo cable with this jack. The pins are on 2.54mm spacing so it plugs very...
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Load Sensor - 50kg
$7.90 $9.90  
12 pc(s)
This load cell / sensor, sometimes called a strain gauge, is the same one found in digital bathroom scales. Each straight bar load cell is made from an aluminum-alloy and is capable of measure up to about 50kg. Documents : Specifications Load Sensor Tutorial (NerdKits)
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3 x AAA Battery Holder with Cover and Switch
$1.00 $2.00  
13 pc(s)
Enclosed battery holder for three AA cells. This holder features a lid that slides over the batteries and snaps into place to fully enclose the cells. It also features a switch that lets you open and close the electrical connection between the batteries and the holder's leads. The leads are...
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MQ-135 Gas Sensor For Indoor Air Quality Monitor
$4.50  
2 pc(s)
This is a simple-to-use gas sensor for indoor air quality monitor, suitable for sensing NH3, NOx, alcohol, Benzene, smoke and CO2 in the air. The MQ-135 can detect NH3 and Alcohol gas concentrations anywhere from 10-300ppm and Benzene from 10-1000ppm. This sensor has a high sensitivity and...
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MQ-3 Gas Sensor (Alcohol)
$4.50  
3 pc(s)
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. The sensitivity of the sensor can be adjusted by potentiometer. Features Good sensitivity to alcohol gas...
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MQ-4 Gas Sensor (Natural Gas)
$4.20  
5 pc(s)
This MQ4 Gas Sensor module is useful for gas leakage detection. It is suitable for detectingI Methane, Propane, Butane, and other combustible gas. The sensitivity of the sensor can be adjusted by potentiometer. Features Good sensitivity to wide range of combustible gas High...
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