On sale

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-15%
PIR Motion Sensor
$13.20 $15.50  
5 pc(s)
This is a simple to use motion sensor. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low. Red wire is power (5 to 12V). White wire is GND. Black wire is open collector Alarm....
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-51%
Momentary Push Button Switch - 12mm Square
$0.17 $0.35  
235 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!
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-50%
2mm 10pin XBee Socket
$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.
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-50%
Single Row Break Away Pin Header - Straight (Black)
$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
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-20%
RedBot - Robotic Development Platform
$39.95 $49.95  
6 pc(s)
The RedBot Mainboard is a robotic development platform that works with the Arduino IDE. The RedBot is a motor driver and Ardiuno combination with various headers and connections, eliminating the need to stack multiple shields. By using the RedBot accessory boards and your own chassis, you...
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-20%
Hakko Soldering Iron - 40W 230V EU Plug
$9.95 $12.50  
37 pc(s)
This is a simple fixed temperature, quick heating soldering iron from Hakko. It is not as powerful as soldering station such as Hakko FX-888, but if you really need a low cost iron for your tool box, this lovely iron is a good choice. At 40W, this iron is perfect for kit building or minor...
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-50%
Mini Push Button Switch
$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)
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-11%
FTDI Basic Breakout - 3.3V
$23.95 $26.85  
3 pc(s)
This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 3.3V Arduino boards. It can also be used for general serial applications. The major difference with this board is that it brings out...
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-20%
Sabertooth 2x25A 6V-24V Regenerative Motor Driver (v2)
$188.00 $235.00  
2 pc(s)
The Sabertooth 2X25 is one of the most versatile, efficient and easy to use dual motor drivers on the market. It is suitable for high powered robots - up to 100lbs in combat or 300lbs for general purpose robotics. Out of the box, the Sabertooth can supply two DC brushed motors with up...
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-50%
Single Row Break Away Female Header
$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....
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-50%
9V Battery Snap to 2.1mm Barrel Jack Adapter
$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...
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-30%
Potentiometer 10K with Knob
$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...
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-50%
Bluetooth Module Breakout - Roving Networks (RN-41 v6.15)
$27.50 $55.00  
1 pc(s)
This is a simple breakout for the Roving Networks Bluetooth module. All pertinent pins are broken out and labeled. This new version's headers are unpopulated. Check below for appropriate headers. The module from Roving Networks is powerful, small, and very easy to use. This...
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-50%
Break Away Headers - Right Angle
$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.
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-71%
USB Weather Board
$50.00 $175.00  
2 pc(s)
Got weather? This board can handle it. The USB Weather Board includes onboard sensors for barometric pressure, humidity, temperature, and light level. We've also added headers in the new version so you can connect the board to the weather meters (not included), adding sensors for wind...
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-6%
RS232 Shifter SMD
$23.00 $24.50  
2 pc(s)
The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice versa (TX and RX). This will allow a microcontroller to communicate with a computer. Shifter SMD is powered from the target application and can run at...
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-20%
TEMT6000 Breakout Board
$6.00 $7.50  
3 pc(s)
Basic breakout board for the TEMT6000 Ambient Light Sensor. Only what you need, nothing you don't. Sensor acts like a transistor - the greater the incoming light, the higher the analog voltage on the signal pin. Documents: Datasheet Wiring Example...
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-50%
Transceiver nRF2401A with Chip Antenna
$13.25 $26.50  
3 pc(s)
This nRF2401A module has the same minimum interface of 7 pins (all in a .1" spaced connector) as the original nRF2401A module, but the size is reduce by over 60%! These are the nRF2401A 2.4GHz transceiver modules with built in chip antenna designed around the Nordic Semiconductor nRF2401A...
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-50%
Transceiver nRF24L01+ Module with Chip Antenna
$15.00 $30.00  
1 pc(s)
This module uses the newest 2.4GHz transceiver from Nordic Semiconductor, the nRF24L01. This transceiver IC operates in the 2.4GHz band and has many new features! Take all the coolness of the nRF2401A and add some extra pipelines, buffers, and an auto-retransmit feature - very nice!...
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-30%
SMC04 High-Power Motor Controller w/Feedback
$88.00 $125.00  
1 pc(s)
The SMC04 high-power motor controller with feedback has multiple interface and feedback options that simplify servo control of commonly available DC motors. T he module features three independent interfaces: a serial protocol for microcontroller-based applications, a pulse-width...
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-20%
4 x AA Battery Holder with Barrel Jack
$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...
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Small Stepper Motor
$11.60 $14.50  
1 pc(s)
These small steppers are a great way to get things moving, especially when positioning and repeatability is a concern. Features : Stride Angle (degrees) : 7.5 2-Phase Rated Voltage : 12V Rated Current : 400mA 3mm Diameter Drive Shaft...
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-7%
RF Link Receiver - 4800bps (434MHz)
$8.50 $9.10  
2 pc(s)
These wireless receivers work with our 434MHz transmitters. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of...
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-7%
RS232 Shifter SMD Without DB9
$15.75 $17.00  
5 pc(s)
The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS232 to TTL and vice versa (TX and RX). This will allow a microcontroller to communicate with a computer. Shifter SMD is powered from the target application and can run at...
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-30%
Force Sensitive Resistor - Small (FSR400) - Male Pin Header
$6.30 $9.00  
61 pc(s)
This is a small force sensitive resistor. It has a 0.16" (4 mm) diameter active sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR,...
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-50%
Interface Cable RP-SMA to U.FL
$3.45 $6.95  
4 pc(s)
This connector cable interfaces UFL RF connectors to RP-SMA antennas. Use it to attach any standard RP-SMA 2.4GHz antenna to the DPAC 802.11 modules. Dimensions: 4" Length
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-20%
XBee Explorer Serial
$26.00 $32.50  
1 pc(s)
This is a simple to use, RS232 to serial base unit for the XBee line. This unit works with all XBee modules including the Series 1 and Series 2, standard and Pro version. Plug the unit into the XBee Explorer, attach a RS232 cable, and you will have direct access to the serial and programming...
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-31%
Tilt Sensor
$2.20 $3.20  
12 pc(s)
This basic tilt switch can easily be used to detect orientation. Inside the can are a pair of balls that make contact with the pins when the case is upright. Tilt the case over and the balls don't touch, thus not making a connection. There are numerous uses for these basic sensors,...
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-32%
Reed Switch
$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
-21%
Tweezers - Straight (ESD Safe)
$5.00 $6.30  
1 pc(s)
These are nice, solid curved tweezers. They have a very fine tip which allows you to pick up very small parts with precision. This is a great tool to have if you're working with surface mount components or anything with very small parts. The ESD-safe coating will also help prevent...
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-50%
Flash Memory - microSD 1GB
$4.50 $9.00  
78 pc(s)
This is a 1 GB microSD media card. Perfect for massive datalogging in a minute amount of space. These microSD cards have a simple to use SPI interface allowing any micro to read and write data in a very large 1 gigabyte storage array. This product is guaranteed to work in products that use a...
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-27%
LilyPad Buzzer
$6.50 $8.85  
2 pc(s)
This is a small buzzer for the LilyPad system. Use 2 I/O pins on the LilyPad main board and create different noises based on the different frequency of I/O toggling. Loud enough to hear inside a pocket but not obtrusively loud. Please note: This is an inductive buzzer meaning that is will act...
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-28%
Photo Interrupter GP1A57HRJ00F
$4.00 $5.55  
3 pc(s)
This sensor is composed of an infrared emitter on one upright and a shielded infrared detector on the other. By emitting a beam of infrared light from one upright to the other, the sensor can detect when an object passes between the uprights, breaking the beam. Used for many applications...
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-20%
MEMS Microphone Breakout - INMP401 (ADMP401)
$12.80 $16.00  
1 pc(s)
This tiny breakout board features the ADMP401 MEMs microphone. One of the key advantages to this breakout and microphone is the bottom ported input. This means the microphone's input can fit flush against the enclosure of your project. Plus you will not have to deal with trying to solder the...
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-20%
WiFi Module - ESP8266 1MB Flash
$7.95 $9.95  
58 pc(s)
The ESP8266 WiFi Module is a self contained SOC with integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network. The ESP8266 is capable of either hosting an application or offloading all Wi-Fi networking functions from another application processor. Each...
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-21%
LPG Gas Sensor - MQ-6
$5.95 $7.50  
1 pc(s)
This is a simple-to-use liquefied petroleum gas (LPG) sensor, suitable for sensing  LPG (composed of mostly propane and butane) concentrations in the air. The MQ-6 can detect gas concentrations anywhere from 200 to 10000ppm. This sensor has a high sensitivity and fast response...
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-29%
Tactile Button Assortment Pack of 12
$6.50 $9.10  
20 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
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-35%
Bare Conductive - Electric Paint (50ml)
$27.95 $43.00  
3 pc(s)
Bare Conductive's Electric Paint is just like any other water-based paint... except that it's electrically conductive! This means that you can actually paint wires onto things like models, clothes, furniture, walls, almost anything you can think of. Standard acrylic or water-based paints can...
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-36%
Quad-band Cellular Duck Antenna SMA
$8.00 $12.55  
2 pc(s)
This is a small, high-quality, quad-band, regular SMA terminated, cellular antenna. Specifications: GSM/850E : 824 to 894MHz GSM : 880 to 960MHz DCS : 1710 to 1880MHz PCS : 1850 to 1990MHz Documents: GSM Antenna 850-1900MHz
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-31%
LilyPad RGB LED
$5.50 $7.95  
3 pc(s)
Blink any color you need! Use the LilyPad RGB LED board as a simple indicator, or by pulsing the red, green, and blue channels, you can produce a broad variety of colors. Each of the colors in the RGB LED are connected to one of the sew tabs on the board labeled R, G, and B. The color...
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-20%
RF Link Receiver - 4800bps (315MHz)
$7.25 $9.10  
6 pc(s)
These wireless receivers work with our 315MHz transmitters. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of...
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-48%
Fio v3 - ATmega32U4
$29.50 $56.90  
1 pc(s)
The Fio v3 is a new spin on the Arduino Fio hardware powered by the ATmega32U4. While the Fio v3 is not yet compatible with the Arduino v1.0 IDE, it's still a very capable XBee-ready development board. The JST-connector and 3.3v system voltage make this a great development tool for...
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-40%
0.1" (2.54mm) Crimp Connector Housing: 1x40-Pin
$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)
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-40%
Serial Enabled 20x4 LCD - Black on Green 5V
$22.75 $37.85  
1 pc(s)
The serial enabled LCD allows you to control a parallel based LCD over a single-wire serial interface. Included in this product is a black on green 20x4 LCD connected to our serial backpack. The backpack, based around a PIC16F88, takes a TTL serial input and prints the characters it receives...
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-25%
LilyPad Slide Switch
$2.95 $3.95  
2 pc(s)
This is a simple slide switch for the LilyPad. Use it as a simple ON/OFF switch, or to control LEDs, buzzers, sensors, etc. LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to...
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-20%
RF Link Transmitter - 315MHz
$6.30 $7.90  
4 pc(s)
These wireless receivers work with our 315MHz transmitters. They can easily fit into a breadboard and work well with microcontrollers to create a very simple wireless data link. Since these are only transmitters, they will only work communicating data one-way, you would need two pairs (of...
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-20%
Resistor Kit - 1/4W 1% (600 total)
$6.40 $8.00  
10 pc(s)
Don't you hate it when you're in the middle of a build and you don't have a certain value of resistor? Don't let it happen again with this resistor kit. This kit contains a resistor color code chart and 20 each of 30 standard value 1/4 Watts resistors with 1% tolerance. It's perfect for starting...
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-33%
Screw Terminals 5mm Pitch (2-Pin)
$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...
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-20%
Sparkfun XBee Wireless Shield
$19.95 $24.95  
1 pc(s)
Xbee radios are an awesome way to add wireless capability to your Arduino project and now it's even easier with the XBee Shield. The shield form-factor mates directly with any dev board that has an Arduino standard footprint and equips it with wireless communication capabilities using the...
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-50%
LilyPad Protoboard Large
$4.75 $9.50  
1 pc(s)
This is a large board for prototyping through hole components with the LilyPad system. There are an array of pins all shorted together with 10mil traces. This allows for quick and easy prototyping - all you have to do is cut the traces between holes you don't want connected! Standard 0.1"...
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-26%
Thermistor 10K
$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
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SSOP to DIP Adapter 28-Pin
$3.15 $6.30  
14 pc(s)
8, 16, 20, and 28-Pin SSOP to DIP break out boards. The footprint was rotated to accommodate different width SSOP devices and can be used with any pin count up to 28 pins. Designed to be used with 0.65mm pitch devices but can also be used with 0.025" pitch devices (comes out to ~0.635mm)....
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SSOP to DIP Adapter 20-Pin
$1.95 $3.90  
5 pc(s)
8, 16, 20, and 28-Pin SSOP to DIP break out boards. The footprint was rotated to accommodate different width SSOP devices and can be used with any pin count up to 28 pins. Designed to be used with 0.65mm pitch devices but can also be used with 0.025" pitch devices (comes out to ~0.635mm)....
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-33%
RCA Video Cable - 6'
$3.00 $4.50  
1 pc(s)
RCA cables are super handy for moving analog signals around. This is a great way to connect a composite video capable device, like the Raspberry Pi, to a suitable display. They also come in handy if you want to hook up your old-school analog gaming consoles, you know it's always impossible to...
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-30%
Basic 8x2 Character LCD - Black on Green 5V
$7.00 $9.95  
3 pc(s)
This is a basic 8 character by 2 line display with black text on green background. The screen utilizes the extremely common HD44780 parallel interface chipset. Interface code is freely available. You will need ~11 general I/O pins to interface to this LCD screen. Includes LED backlight....
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-50%
SOIC to DIP Adapter 28-Pin
$3.15 $6.30  
22 pc(s)
Low-cost basic SOIC break out boards. These are custom PCB boards that interface standard SOIC devices to standard .1" (2.54mm) headers. 28-SOIC: Standard .6" spacing between pins. Will fit directly into a standard width (600 mil) DIP socket. For wide ICs (memories, drivers, 74s,...
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-40%
Mini Thermal Printer
$45.00 $75.00  
1 pc(s)
This is a thermal printer like you would find on a cash register or adding machine. It will print simple strings passed to it via TTL serial, bitmap images (poorly) and it even generates several different formats of barcodes! The thermal printer takes 57mm wide thermal paper with a...
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-50%
SSOP to DIP Adapter 8-Pin
$2.50 $5.00  
6 pc(s)
8, 16, 20, and 28-Pin SSOP to DIP break out boards. The footprint was rotated to accommodate different width SSOP devices and can be used with any pin count up to 28 pins. Designed to be used with 0.65mm pitch devices but can also be used with 0.025" pitch devices (comes out to ~0.635mm)....
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-11%
Arduino Uno Rev 3 ( A000066 )
$39.95 $45.00  
Out-of-stock
This is the new Arduino Uno R3. In addition to all the features of the previous board, the Uno now uses an ATmega16U2 instead of the 8U2 found on the Uno (or the FTDI found on previous generations). This allows for faster transfer rates and more memory. No drivers needed for Linux or Mac (inf...
Out-of-stock
-10%
Solder Lead Free - 100-gram Spool
$12.50 $13.95  
1 pc(s)
This is your basic spool of lead free solder with a water soluble resin core. 0.031" gauge and 100 grams. This is a good spool for more advanced users that should last 6-12 months depending on how often you solder. If you are just beginning to solder, we recommend you order the...
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-7%
ISL29125 RGB Light Sensor
$12.50 $13.50  
2 pc(s)
If you’ve had ideas for a project that depends on the ability to sense different spectrums of visible light and react based on those measurements, the ISL29125 breakout board may be just what you need. The ISL29125 breakout board makes it very easy to sense and record the light intensity...
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-15%
SPDT Mini Power Switch
$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
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-33%
Vibration Motor 11.6×4.6×4.8mm
$3.95 $5.90  
4 pc(s)
This tiny DC motor produces vibrations by spinning an eccentric shaft at over 10,000 RPM when powered at 3 V. Motors like this are commonly found in cell phones and other devices that use vibration for tactile feedback, and its small size (11.6 × 4.6 × 4.8 mm) and light weight (0.8 g) make it...
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