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  • Adafruit Bluefruit LE - Bluetooth Low Energy (BLE 4.0) - nRF8001 Breakout - v1.0 (ADABLE)


    The Adafruit Bluefruit LE (Bluetooth Smart, Bluetooth Low Energy, Bluetooth 4.0) nRF8001 Breakout allows you to establish an easy to use wireless link between your Arduino and any compatible iOS or Android (4.3+) device. It works by simulating a UART device beneath the surface, sending ASCII data back and forth between the devices, letting you decide what data to send and what to do with it on either end of the connection.

    Unlike classic Bluetooth, BLE has no big contracts to sign and no major hoops that you have to jump through to create iOS peripherals that you can legally design and distribute in the App Store, which makes it a great choice compared to classic Bluetooth which had (and still has) a lot of restrictions around it on the iOS platform.

    And now that Android also officially supports Bluetooth Low Energy (as of Android 4.3), it's also -- finally! -- a universal communication channel covering the main mobile operating systems people are using today.

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  • SRF Shield - Instant Wireless Networking for Arduino (CIS-R017)

    Product description

    The SRF shield is a low power wireless transceiver aimed at building wireless sensors and actuators. It’s a plug and play add-on for all Arduino style prototyping boards. It’s exceptionally easy to use and will work out the box with no configuration. Achieving greater range at lower power than WiFi, Zigbee and Bluetooth, the company sees such technology being the final enabler of many Internet of Things ideas.


    • Range: 100m – with the on-board chip antenna or upto 1000m using an external antenna
    • Air data rate: 250Kbps over the air (can be changed)
    • Serial data rate: 115,200bps (can be changed)
    • Proven technology: Over 40 million hours in the field
    • Encryption: 128 bit AES (turned off by default)
    • Different networks: 65,000 (selectable PANID)
    • Network types: Point to point, point to multipoint, multipoint to point and multipoint to multipoint.
    • Thousands of software examples: Any Arduino project that uses the XBee for serial comms will work the same.
    • Over the air programming: You can program your Arduino straight from the IDE without any hardware hacks or screamer software.
    • Jumper free uploads: No need to remove the shield, change jumpers or flip switches when doing uploads (most XBee shields do).
    • Supports LLAP: LLAP is the worlds easiest way to talk to Internet of Things nodes. Example sketches can be downloaded for free, this means you can build and sell your own IoT devices which can be networked with off the shelf products.a

    Technical data

    Dimensions: 69mm x 53.5mm x 12mm


    Datasheet: Datasheet here
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  • Arduino W5100 Ethernet Shield Rev 3, PoE Ready (A000072)

    The NEW Arduino Ethernet shield Rev3 allows an Arduino board to connect to a LAN using the  Ethernet library.

    The Arduino Ethernet Shield allows an Arduino board to connect to the internet. It is based on the Wiznet W5100 ethernet chip. The Wiznet W5100 provides a network (IP) stack capable of both TCP and UDP. It supports up to four simultaneous socket connections. Use the Ethernet library to write sketches which connect to the internet using the shield. The ethernet shield connects to an Arduino board using long wire-wrap headers which extend through the shield. This keeps the pin layout intact and allows another shield to be stacked on top.

    New available features:
         Micro SD card connector with active voltage translators
         Power Over Ethernet ready
         On board reset controller
         NOW Compatible with the Arduino MEGA board

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  • Adafruit Wave Shield for Arduino v1.1 (#94)

    Adding quality audio to an electronic project is surprisingly difficult. Here is a shield for Arduinos that solves this problem. It can play up to 22KHz, 12bit uncompressed audio files of any length. It's low cost, available as an easy-to-make kit. It has an onboard DAC, filter and op-amp for high quality output. Audio files are read off of an SD/MMC card, which are available at nearly any store. Volume can be controlled with the onboard thumbwheel potentiometer.

    This shield is a kit, and comes with all parts you need to build it.

    Arduino, SD card, tools, speaker and headphones are not included. It is fairly easy to construct and anyone with a successful soldering project under their belt should be able to build it.

    The shield comes with an Arduino library for easy use; simply drag uncompressed wave files onto the SD card and plug it in. Then use the library to play audio when buttons are pressed, or when a sensor goes off, or when serial data is received, etc. Audio is played asynchronously as an interrupt, so the Arduino can perform tasks while the audio is playing.

    • Can play any uncompressed 22KHz, 16bit, mono Wave (.wav) files of any size. While it isnt CD quality, it is certainly good enough to play music, have spoken word, or audio effects. Check out the demo video/audio at the webpage
    • Output is mono, into L and R channels, standard 3.5mm headphone jack and a connection for a speaker that is switched on when the headphones are unplugged
    • Files are read off of a FAT16/FAT32-formatted SD/MMC card 
    • Included library and examples makes playing audio easy
    • Please note that the library is rather bulky, requiring 10K of flash and more than 1/2 K of RAM for buffering audio. It works fine using an yATmega328-based Arduino (Duemilanove, Uno or compatible).
    • This shield is not Mega or Leonardo compatible!
    More information, including design notes, schematics, library, examples, etc is at the Wave Shield webpage
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  • Arduino I2C LCD Shield Kit w/ 16x2 Character Display Blue & White (#772)
    This new Adafruit shield makes it easy to use a 16x2 Character LCD, making it easier for people to get these LCD into their projects. Adafruit devised a shield that lets you control a 16x2 Character LCD, up to 3 backlight pins AND 5 keypad pins using only the two I2C pins on the Arduino! The best part is you don't really lose those two pins either, since you can stick i2c-based sensors, RTCs, etc and have them share the I2C bus. This is a super slick way to add a display without all the wiring hassle.

    This shield is perfect for when you want to build a stand-alone project with its own user interface. The 4 directional buttons plus select button allows basic control without having to attach a bulky computer.

    The shield is designed for 'classic' Arduinos such as the Uno, Duemilanove, Diecimilla, etc. It uses the I2C pins at Analog 4 and Analog 5. It will also work perfectly with Arduino Mega R3's which have the extra SDA/SCL I2C pins broken out. Earlier Mega's have the I2C pins in a different location and will require you to solder two wires from the I2C pins on the shield and plug them into the different I2C locations at Digital 20 & 21.

    This product comes as a kit! Included is a high quality, USA-made PCB and all the components (buttons, header etc). This product comes with a 16x2 Blue & White LCD. Assembly is easy, even if you've never soldered before and the kit can be completed in 30 minutes. Check the product tutorial page for assembly instructions before purchasing

    Of course, Adafruit even wrote an easy-to-use Arduino library that you can easily add to your project. It acts just like the built in LiquidCrystal library, but automatically uses the shield pins. You can also easily query the 5 keypad buttons to get input through the library, so you get extra buttons without using any more pins. The buttons are automatically de-bounced inside the library.

    At this time, the library and shield can control the backlight of our character LCDs by turning the LED on or off. There is no support for PWM control of the backlight at this time, so if you need to have more granular control of the backlight, this shield can't do that (the I2C expander does not have PWM output).
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  • Sensor Shield V4 for Arduino (SENV4)

    This is a great way of adding sensors to the Arduino without lots of messy wiring. Each pin has both a Male and a Female header, so no matter which you have on your sensor, there is somewhere to connect it. If you have 3-pin (Power, Ground, Signal) sensors or servos then each pin also has the correct terminals for that.

    If that isn't enough, there are also locking 3-pin terminals/connectors for sensors with suitable connectors

    Fully compatible with Uno, Leonardo and Mega2560

    We like this so much we use it in our Ultimate initio robot kit
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  • Prototype Shield with Mini Breadboard for Arduino (ARD-BBDSH)
    Connect your prototype circuit to the Arduino easily with this simple to use Arduino shield.

    It includes a mini-breadboard with self-adhesive backing so you can stick this onto the shield and use it directly.

    Alternatively you can solder your components directly onto the prototyping area which has power rails and groups of 3 connectors.
    • Two separate LED circuits that you can connect to
    • Reset button for the Arduino
    • Independent button for your own circuit
    • 170 ti-point breadboard
    • All headers pre-soldered
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  • Adafruit CC3000 WiFi Shield with Onboard Ceramic Antenna (#1491)
    For years we've seen all sorts of microcontroller-friendly WiFi modules but none of them were really Adafruit-worthy. Either they were too slow, or too difficult to use, or required signing an NDA, or had limited functionality, or too expensive, or too large. So we shied away from creating or developing a WiFi Arduino shield.


    The CC3000 hits that sweet spot of usability, price and capability. It uses SPI for communication (not UART!) so you can push data as fast as you want or as slow as you want. It has a proper interrupt system with IRQ pin so you can have asynchronous connections. It supports 802.11b/g, open/WEP/WPA/WPA2 security, TKIP & AES. A built in TCP/IP stack with a "BSD socket" interface. TCP and UDP in both client and server mode, up to 4 concurrent sockets. It does not support "AP" mode, it can connect to an access point but it cannot be an access point.

    We carefully wrapped this little silver module into an Arduino shield. We also added a microSD socket and a reset button. It has an onboard 3.3V regulator that can handle the 350mA peak current, and a level shifter to allow 3 or 5V logic level. The antenna layout is identical to TI's suggested layout and we're using the same components, trace arrangement, and antenna so the board maintains its FCC emitter compliance (you'll still need to perform FCC validation for a finished product, but the WiFi part is taken care of). Even though it's got an onboard antenna we were pretty surprised at the range, as good as a smartphone's.

    Each order comes with one fully assembled and tested shield, some male header for attaching it to an Arduino and a 2x3 female header that you can use to plug it into the ICSP port of a Mega. We don't have a detailed tutorial yet but to get you started, we've got a fully working Arduino library that is based off of TI's codebase but adapted for use with the AVR. We also have example code showing how to scan the SSID's, connect to your access point and run DHCP, do a DNS lookup to IP address, ping a site and connect to a remote TCP socket such as a website and print out the page.

    Please note the hardware is good, but the library code does not yet support all of the CC3000's functionality. SSID scanning, connection, DHCP, DNS lookup, ping, and UDP/TCP client connections (eg connect to a website and grab data) all work and are tested with example code. UDP/TCP server connections are not supported yet! Check out our tutorial for wiring and Arduino library downloads

    For use with Arduino Uno & Mega only at this time - we'll try to get the code ported to the Leonardo/Due at some point but no ETA.

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  • Shield stacking headers for Arduino (R3 Compatible) (#85)
    Use these to stack shields on your Arduino! These are standard 6-pin, 8-pin and 10-pin 0.1" spacing female headers...with a twist! The pins are extra long which means you can use these to stack shields! The legs are 10.5mm (0.42") long, so after the PCB thickness (1.7mm/0.07") you have a height of 8.8mm (0.35"). Comes in a package of one 2x3-pin header, 2 x 8-pin headers, 2 x 6-pin headers and 1 x 10-pin header for full compatibility with shields designed for Arduino R3 & Leonardo.

    Please note, not all shields use the 10-pin connector or 2x3 connector stacking header. For shields that do not use the 10-pin header, use the 2x6 and 2x8 headers.

    Some experimentation might be necessary. Some examples:
    • You can stack on top of a Proto Shield, but not if there is a breadboard on it
    • You can stack on top of a Motor Shield, make sure you bend the electrolytic capacitors before you solder them in, so that they lay flat against the PCB
    • You can stack on top of a Wave, NFC/RFID, or GPS shield with no problems
    • You can stack on top of an Ethernet shield, but you'll need two sets of headers to clear the Ethernet jack.
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  • W5100 Ethernet Shield for Arduino (ARDW5100)
    Arduino Ethernet Shield
    • Micro SD card slot
    • Wiznet W5100 chipset
    • Latest 2012 version
    • Supported by the Arduino Ethernet library
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  • Servo & Motor Shield for 2 Servos and 4 Motors (Adafruit compatible) ()
    • Ready Assembled (additional headers provided for spare pins - will need soldering if you need to use these)
    • 2 dedicated connectors for standard "hobby" servos
    • Up to 4 bi-directional DC motors with individual 8-bit speed selection
    • Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil, interleaved or micro-stepping
    • 4 H-Bridges: L293D chipset provides 0.6A per bridge (1.2A peak) with thermal shutdown protection, 4.5V to 12V
    • Pull down resistors keep motors disabled during power-up
    • Big terminal block connectors to easily hook up wires (10-22AWG) and power
    • Arduino reset button brought up top
    • 2-pin terminal block to connect external power, for separate logic/motor supplies
    • Power LED
    • Detailed instructions, libraries, test code, etc. >>HERE<<
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