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CircuitsArduino

Circuits & Schematics - Arduino - 5

Subsection: "Arduino"
Search results: 56 Output: 41-50
  1. A Universal RFID Key. Part 3 - The Software, Entering data into our card
    Circuits Arduino Security Wireless Embedded Systems Microcontrollers Usage
    The software was next. Using the Arduino IDE, I implemented a simple menu system that allowed me to enter the relevant facility and CardID data directly from the keypad. I also provided a way of displaying the data using the LEDs that I mounted on ...
    Feb 2, 2012
  2. A Universal RFID Key. Part 2 - Schematic and PCB
    Circuits Arduino Security Wireless Embedded Systems Microcontrollers Usage
    So the next step was to identify how to pretend to be a card - I wanted a card that I could type a card number into, so it had to have a microprocessor on it, was well as a keypad to allow the data to be keyed in. The Atmel ATmega8 manipulates the ...
    Jan 28, 2012
  1. A Universal RFID Key. Part 1 - How does RFID work, Whats stored on the card
    Circuits Arduino Security Wireless Embedded Systems Microcontrollers Usage
    RFID projects have been pretty prominent recently, ranging from projects here in Instructables, to our local Silicon Chip magazine in Australia publishing a RFID door lock project in their November issue. Even I recently purchased a RFID door lock ...
    Jan 27, 2012
  2. The Talking Breathalyzer. Part 2 - Schematic and connecting modules and shields, using the Breathalyzer in Portable Mode, Customizing the Breathalyzer in Portable Mode
    Circuits Measurement Medicine Embedded Systems Microcontrollers Usage Arduino
    Part 1 - Features, Schematic and Demonstration Seeeduino Description Seeeduino is Arduino compatible board based on Atmel AVR ATmega328. Its design is based on Diecimila scheme, 100% compatible to its existing program, shield and IDEs. On the ...
    Jan 11, 2012
  3. The Talking Breathalyzer. Part 1 - Features, Schematic and Demonstration
    Circuits Measurement Medicine Embedded Systems Microcontrollers Usage Arduino
    Description A customizable Breathalyzer that talks and tells you how much you’ve had to drink. It’s also open source and can easily be modified with your own text on the LCD screen and audio MP3 files. When tethered to a PC with a USB ...
    Dec 30, 2011
  4. MakerBot Watch - portable Arduino environment
    Circuits Domestic Embedded Systems Microcontrollers Usage Arduino
    This is the page for the MakerBot watch. It's a portable and fashionable arduino environment that you can take with you. It also tells the time. Specs: Atmel Atmega328 chip with Arduino bootloader on it. 6 pin header for bootloading. Also includes ...
    Dec 23, 2011
  5. Arduino expansion board used for controlling large numbers of LEDs
    Circuits Embedded Systems Light Arduino
    Overview: The Voxel Shield is an Arduino Sheild (or expansion board) used for controlling large numbers of LEDs. The Voxel Shield can drive up to 512 LEDs, making it possible to make an LED cube up to 8x8x8 voxels, or an LED screen of 64×8 ...
    Nov 1, 2011
  6. Add 512K of external SRAM to Arduino Mega. Part 3 - Software
    Circuits Embedded Systems Microcontrollers Usage Arduino Arduino Arduino Mega
    The final part of this series of blog posts will present some open source software that you can use to exploit the new memory space. You can download the library source code from my downloads page. The xmem library I’ve put together a ...
    Sep 19, 2011
  7. Add 512K of external SRAM to Arduino Mega. Part 2 - Schematic and PCB
    Circuits Embedded Systems Microcontrollers Usage Arduino Arduino Arduino Mega
    Pin mappings Here’s how the Arduino maps the xmem pins. As you can see they’re all conveniently placed in a block at the end of the board. That will make it easy for me to design a PCB that just plugs straight in. Thanks go out from me ...
    Sep 15, 2011
  8. Add 512K of external SRAM to Arduino Mega. Part 1 - Theory
    Circuits Embedded Systems Microcontrollers Usage Arduino Arduino Arduino Mega
    Often when prototyping with an Arduino you run into the memory limitations inherent in a microcontroller programming environment. The Arduino Mega series goes a long way to solving the program size issues, offering as it does 128Kb and 256Kb ...
    Sep 13, 2011
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