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 Sparkfun products range from things like resistors and LEDs to humidity sensors and LCD screens.  Including: Books, Cables, Cellular, Components, Development Tools, E-Textiles, GPS, Kits, LCDs, Programmers, Prototyping, Sensor, Tools, Robotics, Wireless

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    Real Time Clock Module Real Time Clock Module This a custom designed module for the DS1307 Real Time Clock. The module comes fully assembled and pre-programmed with the current time (ok, so it's our current time - MST). The included Lithium coin cell battery (CR1225 41mAh) will run the module for a minimum of 9 years (17 years typical) without external 5V power. The DS1307 is accessed via... $14.95
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    WiiChuck Adapter WiiChuck Adapter The WiiChuck Adapter is a small PCB that is designed to be inserted into the connector of a Nintendo Wii Nunchuck to provide access to all 4 wires of the remote. The power, ground and two-wire interface of the Nunchuck are all broken out to a 4-pin 0.1" pitch header.The Wii Nunchuck is loaded with features -- a 2-axis joystick, two buttons and a... $2.25

    Ships in 24 hours
    DeadOn RTC - DS3234 Breakout DeadOn RTC - DS3234 Breakout DeadOn RTC - DS3234 Breakoutsku: BOB-10160 Here is a real time clock based on the DS3234 Real Time Clock IC. The DS3234 is a low-cost, extremely accurate SPI bus real-time clock with an integrated temperature-compensated crystal oscillator and crystal.The RTC maintains seconds, minutes, hours, day, date, month, and year information. The date at ... $19.95

    Ships in 3 to 7 days
    Breakout Board for FT232RL USB to Serial Breakout Board for FT232RL USB to Serial Basic breakout board for FTDI's popular USB to UART IC. Now with internal oscillator and EEPROM, the FT232RL is an impressive IC!VCCIO is now tied to 3.3V through a solder jumper. You have the option of clearing this jumper and tying the VCCIO pin to 5V or any other IO voltage you need. For more information on how to wire VCCIO for 5V, checkout ... $14.95

    Ships in 3 to 7 days
    Breakout Board for microSD Transflash Breakout Board for microSD Transflash Breakout board for the microSD socket that is not much bigger than your fingernail. Compatible with the SPI interface found on any SD card, this tiny form factor was created for cell phone storage and is perfect for your next MP3 project! Board comes fully assembled and tested. The bare socket is available. Documents:&#... $9.95

    Ships in 24 hours
    Electric Imp Breakout Electric Imp Breakout  Electric Imp Breakout BOB-11400   If you aren't familiar with the Electric Imp, it essentially provides an easy, integrated way to connect almost any hardware device both to other devices and to internet services. It's more than just a WiFi card, or even a WiFi module with processing built in - it's an integrated platform that deals with the dr... $12.95
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    SOIC to DIP Adapter 8-Pin SOIC to DIP Adapter 8-Pin Your basic SOIC break out boards. What's the difference? The 8 Pin board is TINY. And you can't beat the price! These are custom PCB boards that interface standard JEDEC SOIC devices to standard .1" headers. 8-SOIC: Standard 0.3" spacing between pins and 0.15" wide IC packages. Will fit directly into a slim (300 mi... $2.95

    Ships in 3 to 7 days
    Breakout Board for RJ45 Breakout Board for RJ45 RJ45 connectors are the kind that are used for Ethernet jacks, but they make great general purpose connectors when you need a lot of conductors. This is a small PCB that brings out the pins of the RJ45 connector to an in-line 0.1" footprint. Use with break-away headers for breadboarding or create your own RJ45 cable. Check the related items for ... $1.95

    Ships in 3 to 7 days
    Breakout Board for USB Mini-B Breakout Board for USB Mini-B This new version now has all 5 pins broken out on the connector. We have no idea what USB device you are hooking up to, but if you need to add a miniUSB/USB Mini-B connector to your breadboard - here it is. Also good for an un-regulated, non-limited 5V supply up to 100mA.Replaces: BOB-08401 $1.95

    Ships in 24 hours
    Breakout Board for Thumb Joystick Breakout Board for Thumb Joystick This is the breakout board for the thumb joystick. Pins are broken out to a 0.1" header and includes 4 mounting holes in the corners. Dimensions: 1" x 1.25" $1.95

    Ships in 24 hours
    SOT23 to DIP Adapter SOT23 to DIP Adapter 6 pin SOT-23 to DIP adaptor. Created to take SOT23 of various pin sizes breakout to DIP. This will work with 3-pin MOSFETs, BJTs, Voltage Regulators (SOT-23-5), and various other Micro6, Micro5, etc packages. DIP width is 0.300" (300mil) and will fit nicely into any breadboard or DIP socket. Dimensions: 0.34x0.46&q... $0.95

    Ships in 24 hours
    RS-485 Breakout RS-485 Breakout RS-485 Breakout sku: BOB-10124  This is a breakout board for the SP3485 RS-485 transceiver IC, which will convert a UART serial stream to RS-485. The SP3485 is a half-duplex transceiver, so it can only communicate one way at a time, but it can reach transmission speeds of up to 10Mbps. This board requires a very low amount of power... $9.95

    Ships in 24 hours
    Breakout Board for USB microB Breakout Board for USB microB This simple board breaks out a micro-B USB connector's VCC, GND, D- and D+ pins to a 0.1" pitch header. If you want to add the increasingly popular micro-B USB to  your project, but don't want to put up with soldering the tiny connector, this is the board for you. Dimensions: 0.8 x 0.45" (20.3 x 11.4mm) Documents:Schematic $1.95
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    USB MicroB Plug Breakout Board USB MicroB Plug Breakout Board We have no idea what USB device you are hooking up to, but if you want to access the microUSB port on something, you might want this. We broke out all 5 pins with a vertical microUSB connector for your prototyping needs. $3.95

    Ships in 24 hours
    MAX3232 Breakout MAX3232 Breakout  MAX3232 Breakoutsku: BOB-11189   The 'must have' IC for TTL/CMOS projects finally has its own breakout board! This is the RS232 converter IC that is capable of running at 3V and communicating with 5V logic.We've taken the SOIC package MAX3232 and broken out all the pins you need to set up your RS232 to TTL connection. We've also included the ne... $5.95

    Ships in 3 to 7 days
    Breakout Board for MCP4725 I2C DAC Breakout Board for MCP4725 I2C DAC You've always wanted to output analog voltages from a microcontroller, the MCP4725 is the DAC that will let you do it! The MCP4725 is an I2C controlled Digital-to-Analog converter (DAC). A DAC allows a digital device like a microcontroller to output analog values like a sine wave. Digital to analog converters are great for sound generation, mus... $4.95
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    MPR121 Capacitive Touch Sensor Breakout Board MPR121 Capacitive Touch Sensor Breakout Board This is a breakout board for Freescale's MPR121QR2. The MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode. The MPR121 also features eight LED driving pins. When these pins are not configured as electrodes, they may ... $9.95

    Ships in 3 to 7 days
    AVR Programming Adapter AVR Programming Adapter This is a simple, but extremely handy board to adapt the common 10-pin ISP programmers to the smaller 6-pin ISP connections. We also designed in a 6-pin inline connector so that you can insert this board directly into a breadboard! Good for the AVR programming tutorials. Pin 1 indicators indicate how the AVR-PG1 and PG2 should be oriented. Boar... $1.05

    Ships in 3 to 7 days
    Analog/Digital MUX Breakout Analog/Digital MUX Breakout This is a breakout board for the very handy 16-Channel Analog/Digital Mulitplexer/Demultiplexer CD74HC4067. This chip can be used to connect 16 analog sources (like sensors) to 5 pins on a microcontroller. 4 of the pins must be digital pins, 1 pin must be an analog to digital conversion pin. This allows 16 sensors to operate on only 5 pins... $4.95

    Ships in 3 to 7 days
    Breakout Board for ADMP401 MEMS Microphone Breakout Board for ADMP401 MEMS Microphone 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 microphone's wacky footprint. Wootness! ... $9.95

    Ships in 3 to 7 days
    Logic Level Converter Bi-Directional Logic Level Converter Bi-Directional  If you've ever tried to connect a 3.3V device to a 5V system, you know what a challenge it can be. The SparkFun bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V AND steps up 3.3V to 5V at the same time. This level converter also works with 2.8V and 1.8V devices. What really separates this Logic le... $2.95

    Ships in 24 hours
    Opto-isolator Breakout Opto-isolator Breakout This is a board designed for opto-isolation. This board is helpful for connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system. This board electrically isolates a controller from the high-power system by use of an opto-isolator IC. This IC has two LEDs and two photodiodes built-in. This allows the low-volta... $4.95

    Ships in 24 hours
    SOIC to DIP Adapter 20-Pin SOIC to DIP Adapter 20-Pin This is a low-cost, basic SOIC breakout boards. This custom PCB will interface a standard SOIC package IC to 0.1" headers, which are easier to work with and integrate well with breadboards.There is DIP-standard 0.6" spacing between the two rows of pins.40 Pin break-away headers are perfect for use with these custom PCBs. Machine pin headers may ... $3.95

    Ships in 24 hours
    SSOP to DIP Adapter 28-Pin SSOP to DIP Adapter 28-Pin 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). We've made these 0.635mm devices fit just fine... $3.89

    Ships in 3 to 7 days
    SSOP to DIP Adapter 16-Pin SSOP to DIP Adapter 16-Pin 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). We've made these 0.635mm devices fit just fine. Can be us... $2.75

    Ships in 3 to 7 days
    Shift Register Breakout - 74HC595 Shift Register Breakout - 74HC595 Shift Register Breakout - 74HC595 sku: BOB-10680  This is a breakout for the SOIC version of the 74HC595 shift register IC. Clock in data and latch it to free up IO pins on your micro. All pins from the IC are broken out to standard 0.1" spaced headers. The Serial in and out pins are on opposite sides of the board with the rema... $2.95

    Ships in 24 hours
    Breakout Board for SD-MMC Cards Breakout Board for SD-MMC Cards Breakout Board for SD-MMC Cards BOB-11403   With SD and MMC memory prices dropping, the time is right for mass storage and datalogging. This breakout board will allow you to breakout the SD/MMC socket to a standard .1" 11-pin header. Perfect for breadboarding and the likes. Board comes fully assembled and tested as shown. ... $9.95
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    Electric Imp Shield Electric Imp Shield Electric Imp Shield DEV-11401    If you aren't familiar with the Electric Imp, it essentially provides an easy, integrated way to connect almost any hardware device both to other devices and to internet services. It's more than just a WiFi card, or even a WiFi module with processing built in - it's an integrated platf... $19.95
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    SOIC to DIP Adapter 28-Pin SOIC to DIP Adapter 28-Pin Low-cost basic SOIC break out boards. These are custom PCB boards that interface standard SOIC devices to standard .1" 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, etc). Dimensions: 0.7x1.50" 40 Pin break-away headers are... $3.89

    Ships in 24 hours
    MIDI Breakout MIDI Breakout The MIDI Breakout board gives your Arduino or any other microcontroller access to the powerful MIDI communication protocol. The MIDI protocol shares many similarities with standard asynchronous serial interfaces, so you can use the UART pins of your microcontroller to send and receive MIDI's event messages. The MIDI Breakout pro... $14.95

    Ships in 3 to 7 days
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