1  introduction  1.1  the arduino project  1.2  book structure and target audience2  structure and function of the hardware  2.1  lots to choose from: arduino versions  2.2  available for all purposes: shields    2.2.1  proto shield    2.2.2  motor shield    2.2.3  ethernet shield  2.3  nothing happens without power: the power supply  2.4  the microcontroller: heart of the arduino  2.5  the pc connection: usb interface3  development environment and programming basics  3.1  integrated development environment (ide)  3.2  for linux users: arduino ide under ubuntu  3.3  simple beginnings: the warning light  3.4  general structure of an arduino sketch  3.5  basic elements of the c programming language for arduino  3.6  program structures  3.7  arduino-specific functions  3.8  arduino punctuation: syntax elements  3,9  data storage elements: variables  3.10  the art of math: operators  3.11  to be clear: logical operators  3.12  unchanging parameters: constants  3.13  dealing with related data of the same type: arrays  3.14  program control structures  3.15  controlling timing  3.16  mathematical functions  3.17  random numbers  3.18  extending the options: adding libraries4  electronic components and low-cost "freeduinos"  4.1  breadboards: simple and effective without soldering  4.2  prototyping boards: durable construction without chemicals  4.3  low-cost 'freeduinos'  4.4  arduino and its helpers: basic electronic components    4.4.1  usb cable    4.4.2  resistors    4.4.3  capacitors    4.4.4  potentiometers    4.4.5  leds    4.4.6  rgb leds    4.4.7  switches    4.4.8  silicon diodes    4.4.9 transistors5  hello world  5.1  cut to the chaser  5.2  it gets brighter: controlling power leds  5.3  povino: persistence-of-vision display6  displays and display techniques  6.1  bar graph display: the classic for measurement applications  6.2  simple and cheap: 7-segment displays  6.3  4-digit, 7-segment displays: a key component for instrumentation  6.4  mini monitor for signs and graphics: the led dot matrix  6.5  dot matrix display as a two-digit digital display  6.6  micro learns to write: alphanumeric display  6.7  the lcd7  measurement and sensors  7.1  flexible and easy to read: an led voltmeter  7.2  volt / ammeter: precise instrument for the hobbyist's lab  7.3  kiloohmmeter for specific applications  7.4  no more faulty electrolytic capacitor woes: the 'elcaduino' tester ..  7.5  'picofaraduino': measuring smaller capacitances  7.6  'transistino': transistor tester  ~  7.7  a simple ntc thermometer  7.8  hot or cold? temperature measurement using the ad22100  7.9  remote thermometer  7.10  'thermoduino': precision thermometer with 7-segment display  7.11  when are we most comfortable? - the hygrometer  7.12  'battduino': capacity measurement for rechargeable batteries  7.13  optical sensors: important for more than just photography  7.14  reflex light for geocaching  7.15  for professional photographers: a digital light meter  7.16  home 'radar station": distance measurement using ultrasound8  timers, clocks and interrupts  8.1  morning and night fun: grand prix toothbrush timer  8.2  practical and accurate: digital clock with led display  8.3  who's faster? a reaction timer  8.4  'timerino': universal timer with a 7-segment display  8.5  plug-in timer to make life easier  8.6  atomic precision: the dcf77 radio clock  8.7  output of time and date to the serial interface  8.8  stand-alone dcf77 clock with lcd display9  interfaces  9.1  universal and simple: the i2c interface  9.2  when we run out of pins: port expansion  9.4  hexadecimal debugger display using a 2-digit, 7-segment display.  9.5  lcd control via i2c using the pcf8574  9.6  this time, fully digital: the lm75 thermometer  9.7  power-saving: real-time clock with date display  9.8  alter including the irremote wireless, practical, quick: the ir interface  9.9  'lampino': an ir-controlled rgb lamp  9.10  timely luxury: an ir-controlled digital clock  9.11  optimal for microcontrollers: the ps/2 interface  9.12  keyboard and mouse as universal input devices  9.13  a complete microcomputer with lcd monitor and keyboard10  sounds and synthesizer  10.1  simple tones  10.2  transducers and amplifiers  10.3  fast pwm makes it happen: not just tones, but sound waves  10.4  theremin: the contactless musical instrument  10.5  audio processing    10.5.1  vco: a tunable sine wave source    10.5.2  digital signal processing  10.6  sound cloud: a digital synthesizer11  digital control techniques  11.1  control types    11.1.1  p controller    11.1.2  i controller    11.1.3  pi controller    11.1.4  pd controller    11.1.5  pid controller  11.2  optimum workstation lighting: digital illumination control  11.3  a classic of control theory: the gravity compensator12  physical computing  12.1  servos control the world  12.2  'photino': 2d camera swivel  12.3  'craning': mouse-controlled crane13  processing  13.1 arduino and processing: a formidable team  13.2 interaction with processing: data logging, trend graphs, etc14  the "living room box': our modular concluding project  14.1  always useful: a clock  14.2  control from afar: the ir interface  14.3  230 v control for hi-fi systems, televisions, lamps, etc  14.4  timers and sensors as the basis for home automation  14.5  indoor and outdoor thermometers  14.6  no more dry air: a hygrometer  14.7  the hardwarebibliographylistingslist of figureslist of tablesindex