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Physical Computing

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Dive into the world of physical computing with insights on Arduino and Raspberry Pi. Learn about essential components like sensors, controls, and communication modules, including Wi-Fi and Bluetooth. This guide covers the basics of microcontrollers (Atmel AVR, ARM), programming with Arduino IDE, and utilizing various interfaces such as I2C, SPI, and UART. Discover project ideas and applications involving barometric pressure sensors, humidity sensors, and more. Unlock your creativity with customizable graphics and low-power solutions for interactive projects.

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Physical Computing

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  1. Physical Computing Arduino, Raspberry Pi, Sensors, Controls…

  2. Atmel AVR, ARM • 1.8-12V • 1-84MHz (ATtiny, ATmega…) • Arduino IDE + libraries • I2C, SPI, PWM, UART, USB host • $12-60 Arduino

  3. bildr.org

  4. Broadcom SoC • 700-900 MHz, 512GB RAM • 5V, ~1A • Linux (Arch, Debian, Chromium), Python • Integrated A/V out, Ethernet, GPIO • $35 Raspberry Pi

  5. General Purpose Input Output • digital • 0-5V • on/off switching, bit-banging • no analog in or out (no ADCs, DACs, PWMs) GPIO?

  6. http://learn.adafruit.com

  7. Barometric Pressure Sensor BMP085 Breakout $19.95 Barometric Pressure Sensor BMP085$8.95 https://www.sparkfun.com/products/11282

  8. Humidity Sensor - HIH-4030 Breakout

  9. SPI • I2C • USI • USB Serial • TWI • CAN BUS • UART • RS-232 • Ethernet 3.3V and 5V don’t mesh: https://www.sparkfun.com/products/8745 Wired Communication

  10. WiFi • Bluetooth • Xbee / ZigBee • Wireless USB/RS-232 • IrDA • 315 & 434 MHz radio Tend to drain power Most require Client/Server relationship Wireless Communication

  11. 50 mA < 5A

  12. Microcontroller Motor, Valve, Relay, Light 50 mA < 5A

  13. Microcontroller Motor, Valve, Relay, Light (Current Source) (Current Sink) 50 mA < 5A

  14. Microcontroller Motor, Valve, Relay, Light (Current Source) (Current Sink) 50 mA < 5A

  15. Solenoids Motors Relays (non-SSR) Inductive Loads

  16. 2012 Senior Design Project Human Interaction

  17. 2012 Senior Design Project Human Interaction

  18. Human interface • Graphical Touchscreen • Customizable • Ultra low power • Wi-Fi integration • Built-in Tutorial

  19. Human interface • Graphical Touchscreen • Customizable • Ultra low power • Wi-Fi integration • Built-in Tutorial

  20. Human interface • Graphical Touchscreen • Customizable • Ultra low power • Wi-Fi integration • Built-in Tutorial

  21. http://shop.oreilly.com/category/deals/arduino-owo.do?code=WKARD&cmp=tw-make-dotw-arduinohttp://shop.oreilly.com/category/deals/arduino-owo.do?code=WKARD&cmp=tw-make-dotw-arduino http://www.adafruit.com/blog/2013/01/23/adafruits-raspberry-pi-lesson-10-stepper-motors-raspberry_pi-raspberrypi/

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