Sparkfun Electronics RedBoard Manual Download Page 3

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What is the RedBoard platform?

Download Arduino Software (IDE)

Install Drivers

Select your board: Arduino Uno

Download “SIK Guide Code”

The World Runs on Circuits

Inventory of Parts

Section 2:

Getting Started with Circuits

Section 1:

Getting Started

RedBoard

Breadboard

Circuit #1 - Your First Circuit: Blinking a LED

Circuit #3 - RGB LED

Circuit #4 - Multiple LEDs

Circuit #5 - Push Buttons

Circuit #6 - Photo Resistor

Circuit #7 - Temperature Sensor

Circuit #8 - A Single Servo

Circuit #9 - Flex Sensor

Circuit #10 - Soft Potentiometer

Circuit #11 - Piezo Buzzer

Circuit #12 - Spinning a Motor

Circuit #13 - Relay

Circuit #14 - Shift Register

Circuit #15 - LCD

Circuit #16 - Simon Says

Circuit #2 - Potentiometer

Page 1

Summary of Contents for RedBoard

Page 1: ...2 A 3 A 4 A 5 P O W E R A N A L O G I N D I G I T A L P W M O N I S P T X R X L E A R N S H A R E H A C K SIK GUIDE Your guide to the SparkFun Inventor s Kit for the SparkFun RedBoard I O R E F E S E...

Page 2: ...its of the SparkFun Inventor s Kit for Educators At the center of this manual is one core philosophy that anyone can and should play around with electronics When you re done with this guide you ll hav...

Page 3: ...ction 1 Getting Started RedBoard Breadboard Circuit 1 Your First Circuit Blinking a LED Circuit 3 RGB LED Circuit 4 Multiple LEDs Circuit 5 Push Buttons Circuit 6 Photo Resistor Circuit 7 Temperature...

Page 4: ...uts like a blinking LED light or an electric motor That s where the term physical computing is born this board is capable of taking the world of electronics and relating it to the physical world in a...

Page 5: ...e f g h c b a f e d h g Power Lacing High Tops Old Toy Email Notifer Bug Zapper Counter Re Programmed Traffic Light Auto Plant Watering Camera Time lapse operation Quadcopter Auto Coffee Maker RedBoar...

Page 6: ...s With an internet capable computer open up your favorite browser and type in the following URL into the address bar Access the Internet Download the Arduino IDE Integrated Development Environment use...

Page 7: ...l need to follow specific instructions Please go to www sparkfun com FTDI for specific instructions on how to install the FTDI drivers onto your RedBoard 2 3 I O R E F R E S E T R E S E T 7 1 5 V S C...

Page 8: ...Arduino IDE software on your computer Poke around and get to know the interface We aren t going to code right away this is just an introduction This step is to set your IDE to identify your RedBoard O...

Page 9: ...buttons opens up a new code window tab 3 Open This button will let you open up an existing sketch See Diagram Below 4 Save This saves the currently active sketch 5 Serial Monitor This will open a wind...

Page 10: ...t disappears should be the RedBoard Reconnect the board and select that serial port Select the serial device of the RedBoard from the Tools Serial Port menu On the Mac this should be something with de...

Page 11: ...Arduino s folder named examples WHAT S NEXT Read on to learn more about getting started with circuits Then you can start on your first circuit on page 17 Unzip the file SIK Guide Code It should be loa...

Page 12: ...any other handful of hundreds of thousands of components Circuits are usually divided into three categories analog circuits digital circuits or mixed signal circuits In this guide you will explore all...

Page 13: ...Page 11...

Page 14: ...umper Wire x30 Push Button x4 x1 DC Motor x1 DC Motor x1 Potentiometer Light Emitting Diode x1 x5 x5 x5 x5 LED 5mm 330 Resistor x25 ACTUAL SIZE 10K Resistor x25 ACTUAL SIZE TMP36 x1 Temp Sensor FRONT...

Page 15: ...f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27...

Page 16: ...EF RESET RESET 7 15V SCL SDA AREF GND 13 12 11 10 9 8 7 6 5 4 3 2 1 0 TX RX 13 3 3V 5V GND GND VIN A0 A1 A2 A3 A4 A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK 1 2 8 6 9 7 3 4 5 10 Page...

Page 17: ...igital Rx Tx These various pins can be used for inputs outputs power and ground See Diagram Below 6 LED Indicates RedBoard is ON This is a simple power indicator LED 7 Reset Button This is a way to ma...

Page 18: ...5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 This line divides the board in half re...

Page 19: ...r is running Vertical Connection Power and Ground Power bus See Diagram Below 1 Horizontal Connection a e f j See Diagram Below 2 How s it all connected View of the inside f g h i a b c d e 1 2 3 4 5...

Page 20: ...W E R A N A L O G I N D I G I T A L P W M O N I S P T X R X L E A R N S H A R E H A C K Connect the USB cable CIRCUIT 1 Your First Circuit Your RedBoard runs on 5V This is the power that will be supp...

Page 21: ...ight not seem like much but establishing this important baseline will give you a solid foundation as we work toward more complex experiments Blinking an LED 1 Each circuit begins with a brief descript...

Page 22: ...4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 LED Make sure the short leg marked with at side goes into the negative position 330 Resistor The color banding sh...

Page 23: ...in its vertical column on the Power bus Breadboard The white background represents a connection to a breadboard socket speci ed by a letter number coordinate such as e2 These coordinates are merely s...

Page 24: ...Page Setup Print New Open Sketchbook Examples Close Save Save As Upload Upload Using Progammer Circuit 1 Circuit 2 Circuit 3 Circuit 4 Circuit 5 Circuit 6 Circuit 7 Circuit 8 Circuit 9 Circuit 10 Cir...

Page 25: ...your code automatically I O R E F R E S E T R E S E T 7 1 5 V S C L S D A A R E F G N D 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 0 T X R X 1 3 3 3 V 5 V G N D G N D V I N A 0 A 1 A 2 A 3 A 4 A 5 P O W E R A...

Page 26: ...Code to Note Real World Application Almost all modern flat screen televisions and monitors have LED indicator lights to show they are on or off Open Arduino IDE File Examples SIK Guide Circuit 1 What...

Page 27: ...ed proportionate to the resistance between the middle pin and the ground pin In this circuit you ll learn how to use a potentiometer to control the brightness of an LED Potentiometer PARTS Wire 6 X CI...

Page 28: ...4 A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Circuit 2 Potentiometer a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b...

Page 29: ...o and from the outside world and can even do tricks like simulated dimming by blinking on and off really fast and serial communications transferring data to another device by encoding it as patterns o...

Page 30: ...g pin 0 the row of pins beneath the power pins LEDNotLightingUp LEDs will only work in one direction Try taking it out and twisting it 180 degrees no need to worry installing it backward does no perma...

Page 31: ...bright each diode is nearly any color is possible RGB LED PARTS CIRCUIT 3 3 Potentiometer 1 X Transistor P2N2222AG 1 X Wire 6 X 330 Resistor 3 X LED 1 X I O R E F R E S E T R E S E T 7 1 5 V S C L S...

Page 32: ...LOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Circuit 3 RGB LED a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b c d e f g h i 1 2 3...

Page 33: ...using something called PWM Pulse Width Modulation The pins on the RedBoard with next to them are PWM Analog out compatible The RedBoard is so fast that it can blink a pin on and off almost 1000 times...

Page 34: ...r loop is used to step a number across a range and repeatedly runs code within the brackets Here the variable x starts a 0 ends at 767 and increases by one each time x for x 0 x 768 x The RedBoard is...

Page 35: ...n you want to run a piece of code several times arrays used to make managing variables easier by grouping them together Multiple LEDs PARTS LED 8 X Wire 10 X 330 Resistor 8 X CIRCUIT 4 4 I O R E F R E...

Page 36: ...4 A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Circuit 4 Multiple LEDs a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b...

Page 37: ...Wire Jumper Wire Jumper Wire Jumper Wire 5V Jumper Wire LED 5mm c2 c3 e2 Pin 2 330 Resistor a15 330 Resistor a12 330 Resistor a9 330 Resistor 330 Resistor a6 a3 LED 5mm c23 c24 LED 5mm c20 c21 LED 5m...

Page 38: ...E T R E S E T 7 1 5 V S C L S D A A R E F G N D 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 0 T X R X 1 3 3 3 V 5 V G N D G N D V I N A 0 A 1 A 2 A 3 A 4 A 5 P O W E R A N A L O G I N D I G I T A L P W M O N I...

Page 39: ...ngly In this circuit you will also use a pull up resistor which keeps the voltage HIGH when you re not pressing the button Push Buttons PARTS Wire 7 X CIRCUIT 5 5 Push Button 2 X LED 1 X 330 Resistor...

Page 40: ...A4 A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Page 38 Circuit 5 Push Buttons a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 2...

Page 41: ...nt provides a set of logic operations that let you build complex if statements They include You can combine these functions to build complex if statements For example if mode heat temperature threshol...

Page 42: ...ou Should See The digital pins can be used as inputs as well as outputs Before you do either you need to tell the RedBoard which direction you re going pinMode button2Pin INPUT Because we ve connected...

Page 43: ...voltage when it is getting a lot of light and a low voltage when it is not Photo Resistor PARTS Wire 6 X CIRCUIT 6 6 LED 1 X 330 Resistor 1 X Photo Resistor 1 X 10K Resistor 1 X I O R E F R E S E T R...

Page 44: ...F GND 13 12 11 10 9 8 7 6 5 4 3 2 1 0 TX RX 13 3 3V 5V GND GND VIN A0 A1 A2 A3 A4 A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Page 42 Circuit 6 Photo Resistor a b c d e f g h i 1 2 3...

Page 45: ...a normal fixed resistor When you connect the top resistor to 5 volts and the bottom resistor to ground The voltage at the middle will be proportional to the bottom resistor relative to the total resis...

Page 46: ...the smaller range using the map function lightLevel map lightLevel 0 1023 0 255 Because map could still return numbers outside the to range we ll also use a function called constrain that will clip n...

Page 47: ...e Arduino IDE s serial monitor to display the temperature Temperature Sensor CIRCUIT 7 7 p 44 GND Ground RedBoard TMP36 Precision Temperature Sensor 5 volt GND 3 VCC 1 VOUT 2 PIN A0 PARTS Wire 5 X Tem...

Page 48: ...A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Circuit 7 Temperature Sensor a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30...

Page 49: ...open this first upload the program then click the button which looks like a magnifying glass in a square In order for the serial monitor to operate correctly it must be set to the same baud rate speed...

Page 50: ...n 9600 Serial print will print everything on the same line Serial println will move to the next line By using both of these commands together you can create easy to read printouts of text and data Ser...

Page 51: ...ions because they do one thing very well that motors cannot they can move to a position accurately By varying the pulse width of the output voltage to a servo you can move a servo to a specific positi...

Page 52: ...4 A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Circuit 8 A Single Servo a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a...

Page 53: ...f the standard libraries and information on using them But anyone can create a library and if you want to use a new sensor or output device chances are that someone out there has already written one t...

Page 54: ...1 1 0 9 8 7 6 5 4 3 2 1 0 T X R X 1 3 3 3 V 5 V G N D G N D V I N A 0 A 1 A 2 A 3 A 4 A 5 P O W E R A N A L O G I N D I G I T A L P W M O N I S P TX RX I O R E F R E S E T R E S E T 7 1 5 V S C L S D...

Page 55: ...stance gets it has a range from about 10K ohm to 35K ohm In this circuit we will use the amount of bend of the flex sensor to control the position of a servo Flex Sensor PARTS CIRCUIT 9 9 Potentiomete...

Page 56: ...A4 A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b c d e f g h i 1 2 3 4...

Page 57: ...final output but it s also incredibly useful for debugging Debugging your sketches using the Serial Monitor Component Image Reference i20 i24 Servo e1 e3 e2 e1 Jumper Wire i19 Jumper Wire h24 Jumper...

Page 58: ...ircuit 9 What You Should See I O R E F R E S E T R E S E T 7 1 5 V S C L S D A A R E F G N D 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 0 T X R X 1 3 3 3 V 5 V G N D G N D V I N A 0 A 1 A 2 A 3 A 4 A 5 P O W E...

Page 59: ...s circuit we ll get the soft pot up and running to control an RGB LED Soft Potentiometer PARTS CIRCUIT 10 10 Wire 9 X 330 Resistor 3 X LED 1 X Soft Potentiometer 1 X 330 Resistor 3 X 10K Resistor 1 X...

Page 60: ...5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b c d e f g h i 1 2 3 4 5 6...

Page 61: ...e1 1 5V 330 Resistor g4 e4 e7 e1 1 5V 330 Resistor g6 e6 e7 e1 1 5V 330 Resistor g7 e7 Jumper Wire 5V 5V Jumper Wire Pin 9 h4 Jumper Wire Pin 10 h6 Jumper Wire Pin 11 h7 e5 Jumper Wire j18 Jumper Wire...

Page 62: ...es which overlap to mix and create new colors See the code for more information Even if you re not 100 clear how it works you can copy and paste this or any function into your own code and use it your...

Page 63: ...es together you ve got music This circuit and sketch will play a classic tune We ll never let you down Piezo Buzzer PARTS Wire 3 X CIRCUIT 11 11 Piezo Buzzer 1 X I O R E F R E S E T R E S E T 7 1 5 V...

Page 64: ...4 A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Circuit 11 Piezo Buzzer a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b...

Page 65: ...ir types in the parentheses after the function name If your function is not using any parameters just use an empty parenthesis after the name If your function is returning a value from your function p...

Page 66: ...X R X 1 3 3 3 V 5 V G N D G N D V I N A 0 A 1 A 2 A 3 A 4 A 5 P O W E R A N A L O G I N D I G I T A L P W M O N I S P TX RX I O R E F R E S E T R E S E T 7 1 5 V S C L S D A A R E F G N D 1 3 1 2 1 1...

Page 67: ...this circuit is rated at 40V max and 200 milliamps max perfect for our toy motor When the motor is spinning and suddenly turned off the magnetic field inside it collapses generating a voltage spike T...

Page 68: ...A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Circuit 12 Spinning a Motor a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a...

Page 69: ...m This is one of the reasons we ve been promoting good programming habits Things like using constants for pin numbers and breaking your sketch into functions make it much easier to re use your code in...

Page 70: ...1 0 T X R X 1 3 3 3 V 5 V G N D G N D V I N A 0 A 1 A 2 A 3 A 4 A 5 P O W E R A N A L O G I N D I G I T A L P W M O N I S P TX RX I O R E F R E S E T R E S E T 7 1 5 V S C L S D A A R E F G N D 1 3 1...

Page 71: ...N2222AG 1 X Relay 1 X 1 X Diode 1N4148 Wire 14 X 330 Resistor 2 X LED 2 X When the relay is off the COM common pin will be connected to the NC Normally Closed pin When the relay is on the COM common p...

Page 72: ...3 A4 A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Circuit 13 Relays a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b c...

Page 73: ...istor g3 e3 e7 e1 1 5V 330 Resistor b14 Component Image Reference i13 Jumper Wire i13 e22 j5 Jumper Wire j7 j9 Jumper Wire i15 e19 Jumper Wire e15 e19 Jumper Wire e15 e19 Jumper Wire b14 e19 Jumper Wi...

Page 74: ...stor which in turn energizes the relay s coil the relay s switch contacts are closed This connects the relay s COM pin to the NO Normally Open pin Whatever you ve connected using these pins will turn...

Page 75: ...E S E T R E S E T 7 1 5 V S C L S D A A R E F G N D 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 0 T X R X 1 3 3 3 V 5 V G N D G N D V I N A 0 A 1 A 2 A 3 A 4 A 5 P O W E R A N A L O G I N D I G I T A L P W M O...

Page 76: ...A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Circuit 14 Shift Register a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a...

Page 77: ...D j21 c24 330 Resistor a3 GND j24 c24 330 Resistor IC e5 f5 e6 f6 e7 f7 e8 f8 e9 f9 e 1 0 f10 e 1 1 f11 e 1 2 f12 a3 GND Jumper Wire a3 GND Jumper Wire a3 GND Jumper Wire j5 a3 GND Jumper Wire j6 a14...

Page 78: ...2 1 1 1 0 9 8 7 6 5 4 3 2 1 0 T X R X 1 3 3 3 V 5 V G N D G N D V I N A 0 A 1 A 2 A 3 A 4 A 5 P O W E R A N A L O G I N D I G I T A L P W M O N I S P TX RX I O R E F R E S E T R E S E T 7 1 5 V S C L...

Page 79: ...ometer 1 X I O R E F R E S E T R E S E T 7 1 5 V S C L S D A A R E F G N D 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 0 T X R X 1 3 3 3 V 5 V G N D G N D V I N A 0 A 1 A 2 A 3 A 4 A 5 P O W E R A N A L O G I N...

Page 80: ...6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29 30 a b c d...

Page 81: ...e a3 GND Jumper Wire e6 a3 GND Jumper Wire f15 a3 GND Jumper Wire e7 f28 a3 GND Jumper Wire f16 a3 GND Jumper Wire e8 Jumper Wire Jumper Wire j10 Pin 2 f17 f18 Pin 3 f18 j10 5V GND Potentiometer b8 b7...

Page 82: ...code tells your Arduino IDE to include the library for a simple LCD display Without it none of the commands will work so make sure you include it include LiquidCrystal h Code to Note Real World Appli...

Page 83: ...SIK Simon Says PARTS CIRCUIT 16 16 Page 81 I O R E F R E S E T R E S E T 7 1 5 V S C L S D A A R E F G N D 1 3 1 2 1 1 1 0 9 8 7 6 5 4 3 2 1 0 T X R X 1 3 3 3 V 5 V G N D G N D V I N A 0 A 1 A 2 A 3 A...

Page 84: ...A4 A5 POWER ANALOG IN DIGITAL PWM ON ISP TX RX LEARN SHARE HACK Page 82 Circuit 16 Simon Says a b c d e f g h i 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 20 2 1 22 23 24 25 26 27 28 29...

Page 85: ...j10 Pin 13 d12 a3 Jumper Wire c7 Jumper Wire j10 Pin 2 c24 a3 Jumper Wire c22 Jumper Wire j10 Pin 9 c29 a3 Jumper Wire c27 Jumper Wire GND Page 83 LED 5mm j11 c3 LED 5mm j12 c3 LED 5mm j18 c3 LED 5mm...

Page 86: ...guess the pattern will repeat this time adding another random LED The player is to follow the pattern for as long as possible with each successful guess resulting in an additional layer of complexity...

Page 87: ...te has a wealth of tutorials to whet your appetite for more knowledge We also host a community of hackers engineers DIYers etc in our forums So log on to our website for more information about Arduino...

Page 88: ...Board is licensed under the Creative Commons Attribution Share Alike 3 0 Unported License To view a copy of this license visit http creativecommons org by sa 3 0 Or write Creative Commons 171 Second S...

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