Other

#twatch v2 WITH LCD

The #twatch connects to Twitter and scrolls the latest trending topics and related tweets. It can also display PC system stats from programs like LCD Smartie. Constructed from files and firmware posted by DangerousPrototypes.com. Programmed with the latest firmware and bootloader.

8-channel Bi-directional Level Converter - TXB0108

Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many makers find that they need to perform level shifting/conversion to protect the 3.3V device from 5V.

Analog/Digital MUX Breakout

This is a breakout board for the very handy 16-Channel Analog/Digital Multiplexer/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 of a micro! This is a great way to connect a lot of sensors to a few pins.

BOB-09056

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, musical instruments, and many other creative projects!

BOB-08736

Breakout Board for PCF8575 I2C Expander

Have you run out of I/O pins? This great IC allows the user to expand up to 16 I/O using only two I/O for control! The PCF8575C is controlled through an I2C interface and features 16-bits of quasi-bidirectional input/output pins. Checkout the datasheet for more info!

BOB-08130

Conway's Game of Life Kit - v1.3

In 1970, John Conway came up with a 1-player game called Game of Life. The Game of Life is a mathematical game that simulates 'colonies' that grow or die based on how crowded or lonely they are and is known for the way it creates a beautiful organic display out of randomness.

Drawdio kit

Drawdio is an electronic pencil that lets you make music while you draw! It's great project for beginners: An easy soldering kit with instant gratification. Essentially, its a very simple musical synthesizer that uses the conductive properties of pencil graphite to create different sounds. The result is a fun toy that lets you draw musical instruments on any piece of paper.

EL Sequencer

The EL Sequencer is a ATmega based control board that allows the user to program any sequence of blink, on/off, even PWM pulsing of EL wire.

COM-09203

iCufflinks - v1.0

Sophisticated. Modern. Open Source. Gorgeously machined aluminum with a subtle pulsating LED. Perfect for Father's day or for that geek who loves technology and needs to get dressed up for a special event. Welcome to the future!

This is a new type of product for Adafruit, we want to create wearable electronics that are subtle, fun to wear and look classy. We're starting with cufflinks and soon we will have a necklace version shortly.

The cufflinks are CNC machined from the finest 6 series aluminum for durability and beauty. The iCufflinks are a remarkable accessory. Machined with a "screw in backing". Each iCufflink contains a circuit board with pulsating LED and battery.

Lectro Candle Kit

The LectroCandle is a simple, through-hole kit, comprised mainly of 3 RGB LEDs and an ATtiny85 to control them. Essentially, the Lectro Candle is exactly what it sounds like – an LED-based “candle” that cycles through all the colors of the rainbow. The programming pins of the ATtiny85 are also brought out on the PCB, so you can customize the firmware however you want. This is a perfect kit to start exploring physical computing and play around with LEDs!

Logic Level Converter

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 logic level converter is a small device that safely steps down 5V signals to 3.3V and steps up 3.3V to 5V. This level converter also works with 2.8V and 1.8V devices. Each level converter has the capability of converting 4 pins on the high side to 4 pins on the low side. Two inputs and two outputs are provided for each side.

BOB-08745

Logomatic v2 Serial SD Datalogger

The Logomatic v2 takes everything we learned with multiple logging projects over the years and boils it down to an easy to use device, that is now more adaptable than ever! Version 2 incorporates the LPC2148 with USB, battery charging, and microSD support. This allows us to use the SparkFun LPC2148 USB bootloader for even easier and faster modification of the firmware. No programmer required!

WIG-10216

MicroSD card breakout board+ - v1

Not just a simple breakout board, this microSD adapter goes the extra mile - designed for ease of use.

microSD Sniffer

This is a unique board recommended by a SparkFun customer. When playing with microSD, you sometimes need to view what the SPI traffic is doing, whether for hacking or debugging. The microSD Sniffer allows you to hook up an external device, such as a logic analyzer or microcontroller, to view what signals are being passed back and forth. Insert one side into a regular uSD socket and a uSD card into the on-board socket, simple as that.

TOL-09419

microSPS V07 basic kit

Die microSPS wird als teilbestückte Leiterkarte angeboten. Bestückt sind alle Bauteile bis auf die Relais, die Anschlussklemmen und die Optokoppler. Für die Optokoppler sind Fassungen aufgelötet, so dass diese nur gesteckt werden müssen. Die Relais und die Anschlussklemmen können nach Bedarf bestückt werden. Die Firmware ist aufgespielt, ein Programmiergerät ist somit nicht mehr erforderlich.

MOD-IO

INFO: MOD-IO is stackable development board which add analog and digital inputs and outputs to any of our development boards with UEXT. If you work with any of our development boards with UEXT connector and you need more digital and analog iniputs and outputs you can add these by connecting MOD-IO to your development board. This board allow easy interfacing to 4 relays, 4 optoisolated digitl inputs, 4 analog inputs. MOD-IO is stackable and addressable, what does this means? these boards can plug together so you can add as many as you want input and outputs! i.e. 8, 12 etc! MOD-IO have ATmega16 microcontroller and the firmware is available for modification.

FEATURES

• ATMega16L-8AU microcontroller
• ICSP 5x2 pin connector for in-circuit programming with AVR-PG1, AVR-PG2, AVR-ISP500, AVR-ISP500-TINY, AVR-ISP500-ISO or other compatible to 10 pin ICSP layout
• JTAG 5x2 pin connector for in-circuit programming with AVR-JTAG, AVR-JTAG-USB or other compatible to 10 pin JTAG layout
• EXT extension connector for the unused AVR ports
• status LED
• reset IC ZM33064
• Quartz crystall oscilator circuit 8MHz
• DC-DC with input voltage 8-30VDC - this board can be powered from 24V industrial power supplies
• Power plug-in jack
• 4 optocoupler isolated inputs with screw terminals
• input status LEDs
• 4 relay outputs with 5A/250VAC contacts with screw terminals
• output status LEDs
• four mounting holes 3.3 mm (0.13")
• FR-4, 1.5 mm (0.062"), green soldermask, white silkscreen component print
• dimensions 80x100 mm (3.9 x 3.15")

DOCUMENTS:

• MOD-IO.pdf user manual

HARDWARE:

• MOD-IO schematic

SOFTWARE:

• MOD-IO firmware C source and HEX for I2C control
• obsolete MOD-IO firmware C source and HEX for control through RS232

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 be used to drive LEDs.

SEN-09695

OpAmp Breakout

This is a simple Op Amp breakout board, set up as a 2-stage amplifier with a gain of 100 (gain of 10 for each stage). The on-board trim pot sets the signal level between the stages, not the feedback path. The bandwidth is set to 15.9kHz by a pair of feedback capacitors, or over 100kHz with the caps removed. The LMV358 opamp can source up to 160mA and works well as a low impedance driver/buffer.

BOB-09816

Pololu Pushbutton Power Switch SV

The Pololu Pushbutton Power Switch is a patented design initially created for our Orangutan Robot Controllers as an alternative to bulky mechanical switches. The switch is intended to be the main power switch for a DC device requiring up to several amps of current. Please see the detailed description for product details and limitations. This item is the 4.5-20 V standard-voltage version.

RS232 Shifter Board Kit

Get your PIC or other uC talking to your computer fast and easy with this board! This is a small custom PCB developed to connect the UART on a microcontroller directly to the computer without the hassle of a MAX232 circuit.

PRT-00133

RS232 Shifter SMD No DB9

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).

PRT-08780

SD Sniffer

This board is a unique board recommended by a SparkFun customer. When playing with SD, you sometimes need to view what the SPI traffic is doing, whether for hacking or debugging.

TOL-09237

Serial Enabled LCD Backpack

The serial enabled LCD backpack allows you to control a parallel based LCD over a single-wire serial interface. The SerLCD backpack takes care of all the HD44780 commands allowing seamless integration with any micro that can communicate over a wide range of TTL serial baud rates. The SerLCD currently supports 16 and 20 character wide screens with 2 or 4 lines of display.

LCD-00258

SerIO

The SerIO is a serial interface platform for creating physical computing projects controlled from a computer. The board gives access to 14 digital input and output pins, six analog output pins and eight analog input pins through a serial interface. This allows the creation of physical computing projects wihtout having to modify and code on the hardware platform. Projects that involve the use of analog sensors, buttons, LEDs, buzzers, motors and many more electronic components can be controlled from any environment that has access to a serial port; some examples of controlling environments are Visual Basic, Python, LabView and Processing, but it's certainly not limited to those languages!

DEV-09521

ShiftBar - RGB LED Controller

The ShiftBar is a medium-power RGB LED controller featuring 10-bit digital brightness control on each color channel (over one billion colors). Multiple ShiftBar modules can be chained together and controlled from a single microcontroller to create large LED displays.

SIM Reader kit - v1.0

This is a SIM card reader/writer kit for experimentation and investigation of SIM & Smart cards. Once the kit is assenbled, accompanying software can be used to read and write from the card. Together they can be used to backup stored SIM card data, recover deleted SMS's and phone contacts, examine the last 10 phone numbers dialed, etc. (Despite being called a SIM reader, it can also write to SIM cards)

The Brain Machine Kit - v1

Relax and rejuvenate as your brain synchronizes to a wonderful meditative state, and enjoy as you hallucinate beautiful colors and patterns from your subconscious mind!

The Brain Machine provides you with a fun, easy way to meditate, all the while being very photogenic! They work with lights and sounds that pulse at a 14-minute-long meditation sequence of brainwave frequencies. Your brain synchronizes to this meditation sequence, and you meditate. It's that easy! And the beautiful colors and patterns you vividly imagine along the way make it fun and enjoyable. The Brain Machine works with blinking lights. Be aware that blinking lights are not good for some people, especially those prone to seizures!

Build your own Brain Machine to expand your brain's technical skills, then lean back and enjoy the light show. They are a blast at parties, a fun way to practice meditation and trip out.

Please note: The additional picture above with Mitch Altman, the co-designer is of a previous version featured in MAKE magazine. The latest version does not include a serial port.

The Brain Machine Kit is an unassembled DIY kit - all the parts needed to make it are included:

• High quality Printed Circuit Board
• All electrical components, including pre-programmed microcontroller, wires, LEDs
• Over-ear headphones
• Dark-tinted safety glasses (fits children and adults)
• Color printed overlay for fashionability
• 2 x AAA batteries included - will last for hundreds of 'trips'

TV-B-Gone Kit - Universal v1.2

Tired of all those LCD TVs everywhere?
Want a break from advertisements while you're trying to eat?
Want to zap screens from across the street?

The TV-B-Gone kit is what you need! This ultra-high-power, open source kit version of the popular TV-B-Gone is fun to make and even more fun to use. This version can be used in both "North American/Asia" as well as "Europe/UK" areas (basically, the whole world)!