Circuits & Schematics: Arduino - 7

61. A Universal RFID Key. Part 2 - Schematic and PCB
    Circuits Security Wireless Embedded Systems Microcontrollers Usage Arduino
    Part 1 - How does RFID work, Whats stored on the card 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 ...
    Jan 28, 2012

62. A Universal RFID Key. Part 1 - How does RFID work, Whats stored on the card
    Circuits Security Wireless Embedded Systems Microcontrollers Usage Arduino
    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
63. 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
    .. 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 ...
    Jan 11, 2012
64. The Talking Breathalyzer. Part 1 - Features, Schematic and Demonstration
    Circuits Measurement Medicine Embedded Systems Microcontrollers Usage Arduino
    .. Tweets (PC Mode) Weather and Stock Performance Readouts (PC Mode) Photobooth Mode (PC Mode) Part List Seeeduino or Arduino board dased on Atmel AVR ATmega328 Seeed Music Shield Seeed Twig Alcohol Sensor Seeed Twig Serial LCD Seeed ...
    Dec 30, 2011
65. MakerBot Watch - portable Arduino environment
    Circuits Domestic Embedded Systems Microcontrollers Usage Arduino
    .. 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 ...
    Dec 23, 2011
66. Arduino expansion board used for controlling large numbers of LEDs
    Circuits Embedded Systems Light Arduino
    .. The Voxel Shield is an Arduino Sheild (or expansion board) used for controlling large numbers of LEDs. The Voxel Shield can drive up to ...
    Nov 1, 2011
67. ATtiny45/85 Servo Library
    Circuits Microcontrollers Usage Robots Power
    .. ATtiny, one that has a 16 bit timer, but all of those have more pins than the ATtiny85. This library is modeled after then Arduino servo library and has an identical interface. Here is a short example program that shows how this library ...
    Oct 31, 2011
68. Add 512K of external SRAM to Arduino Mega. Part 3 - Software
    Circuits Embedded Systems Microcontrollers Usage Arduino Arduino Arduino Mega
    .. are declared in xmem.h, so you must include that header file like this: #include xmem.h Installation instructions for the Arduino IDE Download the library zip file from my downloads page. Browse to the libraries subdirectory of your ...
    Sep 19, 2011
69. Add 512K of external SRAM to Arduino Mega. Part 2 - Schematic and PCB
    Circuits Embedded Systems Microcontrollers Usage Arduino Arduino Arduino Mega
    .. 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 ...
    Sep 15, 2011
70. Add 512K of external SRAM to Arduino Mega. Part 1 - Theory
    Circuits Embedded Systems Microcontrollers Usage Arduino Arduino Arduino Mega
    .. when prototyping with an Arduino you run into the memory limitations inherent in a microcontroller programming environment. The Arduino Mega ...
    Sep 13, 2011

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