Prototyping

1 2
$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)

$0.17 $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  
42 pc(s)
DIP switch with 2 individual switch positions. The pins have 2.54mm spacing - fits great into a breadboard! Works great as general control switches.

$0.40  
17 pc(s)
DIP switch with 3 individual switch positions. The pins have 2.54mm spacing - fits great into a breadboard! Works great as general control switches.

$0.45  
Out-of-stock
DIP switch with 4 individual switch positions. The pins have 2.54mm spacing - fits great into a breadboard! Works great as general control switches.
Out-of-stock

$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  
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.

$0.50 $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...

$0.50 $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  
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...

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

$0.50 $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...

$0.50  
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  
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  
39 pc(s)
This female barrel jack plug is great for adding a common connector to the end of wires. This jack is compatible with 5.5x2.1mm barrel connectors. The outer shell unscrews to reveal solder terminals and a crimp strain relief. The outer shell has strain relief as well.

$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  
35 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  
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)

$0.50  
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.

$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  
22 pc(s)
DIP switch with 5 individual switch positions. The pins have 2.54mm spacing - fits great into a breadboard! Works great as general control switches.

$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 $0.85  
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  
36 pc(s)
DIP switch with 6 individual switch positions. The pins have 2.54mm spacing - fits great into a breadboard! Works great as general control switches.

$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 $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 $0.90  
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 $0.90  
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  
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

$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 @...

$0.60 $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 $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  
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 $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  
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".

$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.

$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  
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  
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

$0.75 $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  
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

$0.95 $1.20  
Out-of-stock
This Capacitive Touch Sensor Module offers a single, momentary capacitive touch button with easy-to-use digital output pin. The onboard TTP223B touch-sensing IC monitor the sensing pad for touch. As long as a touch (e.g., from a finger) is detected, the TTP223B keeps the output line high....
Out-of-stock

$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...

$0.95 $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  
2 pc(s)
This Mounting Kit is used to secure HC-SR05 Ultrasonic Sensor Adaptor and Line Follower Array to our 2WD Robot Chassis Kit . Kit includes: M3 Standoff (2 pcs each) 10mm 20mm M3 Screw (4 pcs) M3 Nuts (4 pcs)

$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  
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 .

$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...

$1.50  
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...

$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

$1.55 $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...

$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...

$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...

$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...

$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...

$1.75  
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...

$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...

$1.80 $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 2