350 likes | 539 Vues
Physical Computing. Arduino , Raspberry Pi, Sensors, Controls…. Atmel AVR, ARM 1.8-12V 1-84MHz ( ATtiny , ATmega …) Arduino IDE + libraries I2C, SPI, PWM, UART, USB host $12-60. Arduino. Arduino Trinket. Arduino YÚN. bildr.org. Broadcom SoC 700-900 MHz, 512GB RAM 5V, ~1A
E N D
Physical Computing Arduino, Raspberry Pi, Sensors, Controls…
Atmel AVR, ARM • 1.8-12V • 1-84MHz (ATtiny, ATmega…) • Arduino IDE + libraries • I2C, SPI, PWM, UART, USB host • $12-60 Arduino
Broadcom SoC • 700-900 MHz, 512GB RAM • 5V, ~1A • Linux (Arch, Debian, Chromium), Python • Integrated A/V out, Ethernet, GPIO • $35 • RasPi Camera Module Raspberry Pi
ARM Cortex A8 • 1GHz, 512GB RAM • 5V, ~1A • Linux (Angstrom, Android, Ubuntu), Python • Integrated A/V out, Ethernet, GPIO, ADC, DAC • $45 Beagle Bone Black
General Purpose Input Output • Digital read/write • 0-5V, 0-3.3V • on/off switching, bit-banging GPIO?
Analog to Digital Converter • 0-5V, 0-3.3V • Voltage reading • 8-bit (256 levels or resolution), 10-bit, 16-bit, etc • 0…0V, 127…2.5V, 255…5v ADC?
Digital to Analog Converter • Pulse Width Modulation (PWM) • 0-5V, 0-3.3V • Fast on/off switching, fading DAC?
Barometric Pressure Sensor BMP085 Breakout $19.95 Barometric Pressure Sensor BMP085$8.95 https://www.sparkfun.com/products/11282
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
WiFi • Bluetooth • Xbee / ZigBee • Wireless USB/RS-232 • IrDA • 315 & 434 MHz radio Tend to drain power Most require Client/Server relationship Wireless Communication
Microcontroller Motor, Valve, Relay, Light 50 mA < 5A
Microcontroller Motor, Valve, Relay, Light (Current Source) (Current Sink) 50 mA < 5A
Microcontroller Motor, Valve, Relay, Light (Current Source) (Current Sink) 50 mA < 5A
TIP Darlington Transistors • TIP120: 5A cont , 8A (trans) • NPN = Normally Open • TIP125: -5A cont, -8A(trans) • PNP = Normally Closed Higher Loads
Solenoids Motors Mechanical Relays (non-SSR) Inductive Loads
2012 Senior Design Project Human Interaction
2012 Senior Design Project Human Interaction
Human interface • Graphical Touchscreen • Customizable • Ultra low power • Wi-Fi integration • Built-in Tutorial
Human interface • Graphical Touchscreen • Customizable • Ultra low power • Wi-Fi integration • Built-in Tutorial
Human interface • Graphical Touchscreen • Customizable • Ultra low power • Wi-Fi integration • Built-in Tutorial
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/