Prototyping

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$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!

$0.50 $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.

$0.75 $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

$3.50  
7 pc(s)
This is a medium sized breadboard with 830 tie-points, self-adhesive backing and two power rails on both sides. Dimensions: 165(L) x 54 (W) x 9(H) mm

$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)

$0.75 $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....

$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.

$2.20  
13 pc(s)
These headers are made to work with the Arduino Uno R3 and new Arduino boards going forward. They are the perfect height for clearing the USB-B connector and great for stacking multiple shields. This kit includes 4 headers, enough to connect a R3 shield to an Arduino Uno R3....

$0.60  
17 pc(s)
This is a 6-pin female header, with extra long legs -- great for stacking Arduino shields. Pins are spaced by 0.1". Documents: Datasheet

$0.60  
29 pc(s)
This is a 8-pin female header, with extra long legs -- great for stacking Arduino shields. Pins are spaced by 0.1". Documents: Datasheet

$2.50  
4 pc(s)
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution.

$2.80  
13 pc(s)
These pins can be crimped on 22-28AWG wires and snapped into our crimp connector housings to create custom cables that are compatible with standard 0.1"-pitch headers and solderless breadboards. These female pins are sold in packs of 20.

$1.75  
10 pc(s)
This white 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! If you run out of room, no worries, these mini breadboards can be...

$1.00  
2 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 .

$2.00 $2.95  
Out-of-stock
This is a small device called a reed switch . When the device is exposed to a magnetic field, the two ferrous materials inside the switch pull together and the switch closes. When the magnetic field is removed, the reeds separate and the switch opens. This makes for a great...
Out-of-stock

$0.60  
15 pc(s)
This is a 10-pin female header, with extra long legs -- great for stacking R3-compatible Arduino shields. Pins are spaced by 0.1".

$2.50  
36 pc(s)
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare wires to a barrel jack on an Arduino or a development board, this might be the simple solution.

$6.50 $9.10  
19 pc(s)
These tactile buttons are great for all sorts of projects. This assortment comes with 2 of each of 6 different colors for a total of 12 buttons. The colored caps are removable and the buttons fit into breadboards. See the drawing below for exact dimensions. Documents: Drawing

$2.80  
6 pc(s)
These pins can be crimped on 22-28AWG wires and snapped into our crimp connector housings to create custom cables that are compatible with standard 0.1"-pitch headers and solderless breadboards. These male pins are sold in packs of 20.

$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)

$0.50  
1 pc(s)
Screw Terminals with 3.5mm pitch pins. Comes in 2 or 3 positions and have the really cool feature of slide-locking together to form any size you need (4, 5, up to 20 without problems). Rated up to 125V @ 6A. Terminal can accept 30 to 20AWG wire. 3.5mm/138mil pin pitch will not fit standard...

$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...

$3.95  
6 pc(s)
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps. This copper tape is...

$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...

$1.95 $2.30  
19 pc(s)
Simple SPDT slide switch. Rated at 30V/200mA. The pins have .1" spacing - fits great into a breadboard! Use it as a power switch or general control switch. Documents : Dimensional Drawing

$3.50  
1 pc(s)
The Arduino Mega 2560 R3 is a very big and powerful microcontroller,needless to say, you want to keep it protected. Why not protect it with one of these snazzy plastic enclosures? These cases protect the Arduino Mega 2560 from things like rogue wires that might short it out while still allowing...

$1.80  
21 pc(s)
This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. Features : Convex Button 35.75 mm Diameter x 46 mm Height M28 thread Mounting Hole Diameter: 27.3 mm Net weight: 0.015kg Rated...

$26.95  
5 pc(s)
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps. This copper tape is...

$1.80 $2.60  
20 pc(s)
This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. Features : Convex Button 35.75 mm Diameter x 46 mm Height M28 thread Mounting Hole Diameter: 27.3 mm Net weight: 0.015kg Rated...

$1.80 $2.60  
28 pc(s)
This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. Features : Convex Button 35.75 mm Diameter x 46 mm Height M28 thread Mounting Hole Diameter: 27.3 mm Net weight: 0.015kg...

$1.80 $2.60  
26 pc(s)
This is a 33mm round momentary push button similar to the ones you find on arcade games. Simple screw in design. Perfect for mashing. Features : Convex Button 35.75 mm Diameter x 46 mm Height M28 thread Mounting Hole Diameter: 27.3 mm Net weight: 0.015kg Rated...

$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

$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...

$4.95  
10 pc(s)
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps. This copper tape is backed by a...

$0.50  
21 pc(s)
2-Pin 2mm pitch JST connector for battery holder or Lithium Polymer battery. Work with Sparkfun's Lipo charger/booster and Lilypad/Fio boards. Includes 2x female crimp pins 1x housing (2mm pitch)

$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.

$1.50  
4 pc(s)
The prototyping circuit board has a general purpose double sided pad-per-hole pattern which is good for general purpose analog and digital use. 0.95mm holes are drilled on 2.54mm centers. Size: 3 x 7cm, 1.6mm thick

$1.95  
2 pc(s)
The prototyping circuit board has a general purpose double sided pad-per-hole pattern which is good for general purpose analog and digital use. 0.95mm holes are drilled on 2.54mm centers. Size: 4 x 6cm, 1.6mm thick

$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

$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...

$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

$0.50  
6 pc(s)
DC power jack / connector. This is a common barrel-type power jack for DC wall supplies. These are compatible with our DC wall supplies and have a 5.5mm jack, with a 2.1mm center pole diameter.

$0.95  
16 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...

$0.60 $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

$0.75 $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:...

$0.60 $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

$0.50  
52 pc(s)
This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barrel jacks that have a 2.1mm center pole diameter. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well.

$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...

$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

$1.95  
1 pc(s)
The prototyping circuit board has a general purpose double sided pad-per-hole pattern which is good for general purpose analog and digital use. 0.95mm holes are drilled on 2.54mm centers. Size: 4 x 6cm, 1.6mm thick

$1.95  
4 pc(s)
The prototyping circuit board has a general purpose double sided pad-per-hole pattern which is good for general purpose analog and digital use. 0.95mm holes are drilled on 2.54mm centers. Size: 4 x 6cm, 1.6mm thick

$0.50  
2 pc(s)
A simple 1-position DIP switch - fits great into a breadboard! Works great as general control switches.

$2.50 $3.60  
10 pc(s)
Add a power switch to any project simply by plugging this between the power supply. This is the most useful thing you never knew you needed! You'll want to pick up a bunch for your electronic projects. Comes with a 5.5/2.1mm barrel jack on one end an a plug on the other. In between is an...

$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...

$2.90 $3.85  
22 pc(s)
This 2x20 "tall" header has the same number and spacing of pins as a Raspberry Pi and provides your board with the ability to extend the heights of your GPIO to accommodate for enclosures or other parts that can encapsulate your Pi. This through-hole header has 40 0.1"-spaced pins and can...

$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...

$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...

$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...

$29.95  
5 pc(s)
Copper tape has countless applications in electronics from creating low-profile traces for electrical components to RF-shielding and antenna-making. Copper tape is even used to join things together using solder, like the stained glass on Tiffany lamps. This copper tape is backed by a...

$0.65  
26 pc(s)
DIP switch with 8 individual switch positions. The pins have 2.54mm spacing - fits great into a breadboard! Works great as general control switches.

$1.95  
3 pc(s)
The prototyping circuit board has a general purpose double sided pad-per-hole pattern which is good for general purpose analog and digital use. 0.95mm holes are drilled on 2.54mm centers. Size: 4 x 6cm, 1.6mm thick

$1.80 $2.00  
171 pc(s)
This is a row of 40 break away headers spaced 0.1" (2.54mm) apart with long pins on both sides. This header is especially useful when you need to connect a PCB to a solderless breadboard. Each header can be broken apart to your preference to fit custom PCBs or general custom headers.

$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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