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$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

$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...

$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...

$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 @...

$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...

$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...

$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...

$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...

$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...

$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...

$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...

$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...

$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...

$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

$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...

$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...

$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...

$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...

$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...

$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)

$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...

$4.50  
2 pc(s)
This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm. The sensitivity of the sensor can be adjusted by potentiometer. Features Good sensitivity to Carbon...

$4.50  
2 pc(s)
This is a simple-to-use hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-8 can detect hydrogen gas concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity and fast response time. The sensitivity of the sensor can be adjusted by...

$4.50  
4 pc(s)
This is a simple-to-use Carbon Monoxide / Combustible gas sensor, suitable for sensing Carbon Monoxide / Combustible gas concentrations in the air. The MQ-9 can detect Carbon Monoxide / Combustible gas concentrations anywhere from 100-10000ppm. This sensor has a high sensitivity and fast...