Prototyping

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$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...

$0.60 $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

$0.50  
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.

$0.50  
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.

$0.60 $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

$0.40  
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

$0.60  
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  
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.

$0.65  
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.

$0.55 $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.

$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...

$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)

$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

$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...

$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 .

$1.80 $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...

$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...

$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)

$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...

$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

$1.95 $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

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

$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.

$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

$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.

$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.

$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...

$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.

$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.

$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....

$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.

$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...

$0.60  
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".

$0.17 $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!

$0.60  
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  
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

$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

$0.10 $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)

$0.50 $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  
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  
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

$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...
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