Circuits & Schematics: Arduino - 5

41. Electronic Breadboard Templates
    Circuits Tools and Technologies
    .. breadboard template (PDF format) Note: Your browser may not like trying to render many small circles. These variations have Arduino Diecimila connectors on the page also: Electronic breadboard template (SVG format) Electronic breadboard ...
    Oct 30, 2007

42. Easy Pulse: A DIY photoplethysmographic sensor for measuring heart rate. Part 2 - Testing and measurements
    Circuits Measurement Medicine Microcontrollers Usage
    .. waveforms as displayed on the PC screen when. The Easy Pulse output signal can be connected to a digital input pin of Arduino or ChipKIT board to find its frequency. If you multiply the frequency by 60, you will get the heart rate in ...
    Dec 24, 2012
43. 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
44. 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
45. 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
46. 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
47. 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
48. A Universal RFID Key. Part 3 - The Software, Entering data into our card
    Circuits Arduino Security Wireless Embedded Systems Microcontrollers Usage
    .. software was next. Using the Arduino IDE, I implemented a simple menu system that allowed me to enter the relevant facility and CardID data ...
    Feb 2, 2012
49. osPID - open source PID-controller. Part 1 - Main Board
    Circuits Automation Embedded Systems Microcontrollers Usage Arduino
    .. however, we wanted to provide flexible hardware that allows people to modify, change and hack to suit their applications. Arduino was chosen as a base platform for the osPID as many makers are familiar with it. The osPID hardware has 3 ...
    Mar 4, 2014
50. LED Camera
    Circuits Embedded Systems Microcontrollers Usage Light Arduino
    .. The per LEDs must be limited as to not overdrive the LEDs. The current to the LEDs must be limited as to not overload the Arduino. The current to the LEDs shall be as high as possible in order to get good brightness. The load on the ...
    Apr 6, 2012

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