On sale

1 2 3 4
$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...

$0.10 $0.20  
12 pc(s)
These 100mm 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...

$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...

$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...

$0.10 $0.20  
33 pc(s)
These 90mm 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...

$0.10 $0.20  
1043 pc(s)
Miniature Single Pole Single Throw switches. These are high quality momentary on switches. Perfect as a tactile reset switch. Mounts directly into standard bread boards. Rated up to 50mA. Documents : Datasheet (TSS-TC-0104)

$0.10 $0.20  
12 pc(s)
These 60mm 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...

$0.10 $0.20  
5 pc(s)
These 110mm 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...

$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...

$0.10 $0.20  
19 pc(s)
These 80mm 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...

$0.15 $0.30  
8 pc(s)
This plastic pulley can be used to drive wheels or other pulleys with 2mm diameter belt. They have an outer diameter of 17mm and is designed to fit the 2mm shafts and the output shaft on our DC toy motor . Wheel body: ø17 x 4mm

$0.15 $0.30  
45 pc(s)
This plastic pulley can be used to drive wheels or other pulleys with 2mm diameter belt. They have an outer diameter of 30mm 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...

$0.15 $0.30  
46 pc(s)
This plastic pulley can be used to drive wheels or other pulleys with 2mm diameter belt. They have an outer diameter of 36mm 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...

$0.17 $0.35  
230 pc(s)
This is a standard 12mm square momentary button. What we really like is the large button head and good tactile feel (it 'clicks' really well). This button is great for user input on a PCB or a good, big reset button on a breadboard. Breadboard friendly!

$0.30 $0.45  
249 pc(s)
These are two pin jumper caps (also called shunts) that will create an electrical connection between two pin headers. Commonly used to modify settings on a board or device.

$0.35 $0.45  
37 pc(s)
Small 3 blade propeller, 50mm in diameter. It push fits directly onto our toy DC motor . Dimensions : Ø50 x 11.6mm Center bore:1.9 mm

$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...

$0.50 $1.00  
50 pc(s)
Battery holder for three AAA batteries, terminated with ~150mm leads

$0.50 $1.00  
100 pc(s)
This is a 10-pin socket with 2mm pitch that mates with the popular XBee radio from Maxstream. Use this small part to avoid having to solder your precious radio to a PCB. You'll need two of these sockets to connect to all 20 pins on the XBee. Sold in single unit.

$0.50 $0.75  
28 pc(s)
This is the basic panel-mount latching on/off switch. The two switch contacts are either connected or disconnected. When you push the button they will switch from one to the other, like an on-off switch. These buttons are rated up to 1A@250VAC. Overall length (including leads) is 32mm and...

$0.50 $0.75  
45 pc(s)
This spring coil antenna is designed for the 868 / 915MHz devices. Each antenna is constructed of copper. Features: Frequency Range(MHz):868 / 915MHz Gain(dBi):2 dBi V.S.W.R:≤2 Input Impedance( OHM):50 Spring outer diameter: 5mm Total length: 16mm...

$0.50 $0.75  
53 pc(s)
Screw Terminals with 5mm pitch pins. Comes in 2 positions and have the really cool feature of slide-locking together to form any size you need (4, 6, up to 20 without problems). Rated up to 300V @ 8A. Terminal can accept 26 to 14AWG wire. 5mm/197mil pin pitch will line up well with standard...

$0.50 $1.00  
84 pc(s)
Battery holder for three AA batteries, terminated with ~150mm leads

$0.55 $0.80  
5 pc(s)
This heavy duty single-pole, double-throw (SPDT) toggle switch makes a great power switch or state selector for user interface. Rated for 6A at 125VAC. Includes a two threaded nuts and washer for mounting.

$0.60 $0.90  
2 pc(s)
This switch is about the same size as our Rocker Switch -DPDT except that it's single-pole single-throw. It's rated for 6A@250V / 10A@125VAC and can be snap-in panel mounted. Documents : Dimensional Drawings

$0.60 $0.90  
34 pc(s)
This switch is about the same size as our right angle rocker switch except that it's double-pole double-throw. It's rated for 10 Amps at 125VAC and can be snap-in panel mounted. Documents : Dimensional Drawings

$0.60 $0.75  
5 pc(s)
This is the basic SPDT panel-mount latching on/off switch. The two switch contacts are either connected or disconnected. When you push the button they will switch from one to the other, like an on-off switch. These buttons are rated up to 3A@125VAC / 1A@250VAC. Overall length (including...

$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...

$0.60 $0.75  
38 pc(s)
This is the basic SPDT panel-mount latching on/off switch. The two switch contacts are either connected or disconnected. When you push the button they will switch from one to the other, like an on-off switch. These buttons are rated up to 3A@125VAC / 1.5A@250VAC. Overall length (including...

$0.60 $1.00  
3 pc(s)
This inline switch is great when you just want a simple on/off toggle switch that's already enclosed. Inside is a double pole rocker switch with screw terminals. Features : SPDT 6A, 250VAC Clicky Sound Dimensions : 60.9(L) x 26.5(W) x 15.5(H)mm

$0.60 $0.85  
22 pc(s)
This is the basic SPST normally-open panel-mount momentary button. These buttons are rated up to 0.5A@125VAC. Overall length (including leads) is 27.5mm and has small solder lugs for connection. Mounting hole diameter is 10mm Documents : Datasheet

$0.60 $1.00  
337 pc(s)
These housings work with our crimp pins to let you quickly make custom cables that mate with various 0.1"-spaced connectors, including male and female headers and solderless breadboards . Specifications : Pins: 1 x 40 Spacing: 0.1 in (2.54mm)

$0.60 $0.85  
19 pc(s)
This is the basic SPST normally-open panel-mount momentary button. These buttons are rated up to 3A@125VAC / 1A@250VAC. Overall length (including leads) is 24mm and has small solder lugs for connection. Mounting hole diameter is 12mm Documents : Datasheet

$0.60 $0.85  
19 pc(s)
This is the basic SPST normally-open panel-mount momentary button. These buttons are rated up to 0.5A@125VAC. Overall length (including leads) is 27.5mm and has small solder lugs for connection. Mounting hole diameter is 7mm Documents : Datasheet

$0.60 $0.85  
6 pc(s)
This is the basic SPST normally-open panel-mount momentary button. These buttons are rated up to 3A@125VAC / 1A@250VAC. Overall length (including leads) is 24mm and has small solder lugs for connection. Mounting hole diameter is 12mm Documents : Datasheet

$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 @...

$0.75 $1.50  
273 pc(s)
Single row of 40-holes, female header. Can be cut to size with a pair of wire-cutters. Standard .1" spacing. We use them extensively in the Olimex development boards. They mate very well with break away headers. Please note: You will probably lose one pin with each cut....

$0.75 $1.50  
57 pc(s)
This Swivel Caster Wheel is perfect for use with 2-wheeled robots that need a third-point of support. The nylon wheel comes attached to a metal plate and with M4 screw holes for fastening to any robot or project. It can rotate a full 360° on the plate and the sleek silver metal look suits any...

$0.75 $1.50  
135 pc(s)
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm

$0.75 $1.50  
119 pc(s)
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm

$0.75 $1.50  
20 pc(s)
This thermally conductive adhesive is used widely for heat sinks without fixed fastener, such as on voltage regulator, MOSFET, high power LED and so on. It allows heat to be transferred from IC to the heat sinks, effectively protects IC from thermal impacts, Features : Heat conductivity:...

$0.75 $1.50  
25 pc(s)
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm

$0.75 $1.50  
15 pc(s)
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm

$0.75 $1.50  
240 pc(s)
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers. Features: Pin Style: Square Number of Pins: 40 Pin Spacing: 0.1" (2.54 mm) Pin Length: 11.5 mm

$0.80 $1.00  
Out-of-stock
Battery holder for two AA batteries, terminated with ~150mm leads
Out-of-stock

$0.80 $1.00  
7 pc(s)
Battery holder for two AAA batteries, terminated with ~150mm leads

$0.90 $1.80  
75 pc(s)
This 9V Snap to 2.1mm Barrel Jack Adapter provides the ability to conveniently use a 9V battery to power many common boards and modules such as the popular Arduino and compatible microcontrollers. This plug is a common barrel type with an outside diameter of 5.5mm and an inside diameter of...

$0.95 $1.35  
587 pc(s)
There are lots of potentiometer out there. Some are very large, some so small they require a screwdriver. This 10K potentiometer has a small knob built right in and it's breadboard friendly to boot! Perfect for your next LCD contrast adjuster, opamp setting, or volume level. This model # is...

$0.95 $1.35  
126 pc(s)
This terminal block is a spring clamp electrical connector where the individual stripped conductors are clamped down to the metal part by means of a spring. Compare to screw-type terminal block, this Spring Clamp Terminal Block gives you a constant connection. It always exerts the same force on...

$0.95 $1.35  
61 pc(s)
These are general purpose, Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current devices. This relay's coil has switch voltage of 3V at 120mA. The contacts are rated 10A at 120VAC, 10A at 30VDC. Features : 3V DC SPDT...

$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...

$1.00 $2.00  
1 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...

$1.00 $1.35  
11 pc(s)
10K thermistor with a negative temperature coefficient. Good choice for temp-sensing aplications. Vishay part #: NTCLE100E3103JB0 Note: You get only one thermistor. Document: Datasheet

$1.00 $1.85  
19 pc(s)
This 1xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable sliding cover and an ON/OFF switch which can be used to control power to your project. The leads are about 150mm, and the last 5mm of them are tinned. Dimensions: 69 x 26...

$1.00 $1.50  
17 pc(s)
Battery holder for eight AA batteries with ~140mm leads, cube end-to-end configuration.

$1.00 $2.00  
1218 pc(s)
A row of right angle headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.

$1.00 $1.20  
23 pc(s)
Battery holder for four AA batteries, terminated with ~150mm leads

$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...

$1.20 $1.50  
36 pc(s)
This is a simple 4 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector. The connector mates with the barrel jack on the Arduino Uno (among a number of other products) allowing you to easily make your project...

$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...

$1.55 $1.95  
3 pc(s)
This kit makes it easy to mount a PS2-like thumb joystick to your project. The 2-axis joystick contains two independent potentiometers (~10k ohm, one per axis, ) for reporting the joystick's position and a 'press in to select' button. Since it's analog, you'll need two analog reading pins on...

$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...

$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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