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JavaOne Automatizando sua casa usando Java, JAVAME, JAVAFX e Open Source Hardware/ Vinicius Senger e Neto Marin
- 1. Automatizing your house with open source hardware and Java
- 2. Our team... Vinicius Senger – team leader and architect Benedicto Franco Junior – Senior engineer Paulo Carlos dos Santos – Electronic engineer Jose Luiz Sanchez Lorenzo – Electronic engineer Neto Marin – Mobile & Wireless engineer
- 3. This talk... Is not a product, solution or standard It ´s about putting accessible technologies together literally inside your house; It’s about community and open source experiences
- 4. Agenda Introduction Open source hardware Hands-on automation circuits Integration with Java & JavaFX Complete architecture demo
- 5. Introduction Electricity and electronics in our houses: Past I: making electricity accessible and cheap Past II: making it smaller and faster Past III: digitalizing and integrating everything Past IV: saving energy and improving intelligence NOW: making it simple and open source! Future: making automation accessible and cheap (all around the world)
- 6. Introduction Computers Vs. People*: Past I: one computer for many people Past II: one computer per person Today: many computers per person (rich person) Tomorrow: many computersa per person (including poor people) *from @alegomes
- 7. Your house tomorrow... (or Today) Advanced memory Semantic illumination Bluetooth and wifi communication Futuristic and gesture control Imagine recognition Interactive wall Open source technologies (HW + SW) D.I.Y
- 8. What do you need to automate your house? Main Board Controller Relay circuit Dimmer circuit Wired and wireless communication LED illumination Sensors: presence, temperature, light, reed, etc.
- 9. How much it cost? Main Board Controller Each wall socket Dimmer Communication LED illumination
- 11. Agenda Introduction Open source hardware Hands-on automation circuits Integration with Java & JavaFX Complete architecture demo
- 12. Open source hardware You can take, distribute, modify and make money Taking back the control about what is happening in our computer D.I.Y consumers New and exciting market! Very big community
- 13. Rep Rap
- 14. Monome
- 15. Segway
- 16. OSHW Controllers Normally uses microcontroller: single integrated circuit with CPU, memory and I/O. Low power consumption Normally bare metal Many options: Atmega / Arduino, BasicStamp, ARM, Netduino.. Some of then support Java, but most cases you need to write some C code;
- 17. Sun Spot Nice and expansive: U$ 750,00 Include 2 Spots and 1 PC station board Suppose to have different sensor boards Squawk virtual machine Small community
- 18. Sun Spot – mainboard (podemos tirar) The main board includes: ARM based (AtmelAT91RM9200) 4 megabytes flash memory Wireless 2.4GH JVM embedded 3.7V 720maH rechargeable battery
- 19. Sun Spot – sensor board (podemos tirar) The default sensor board includes: Accelerometer Leds Switch Light Sensor Temperature Sensor High current driver (small DC motor) 3 X Octal Register/Driver (led matrix)
- 20. Arduino Famous open source hardware project created by Maximo Banzi, Ivrea University “ Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments. “
- 21. Arduino Simple board based on Atmega328 MCU Cheap: U$ 30 – BIG community Limited resources: 16 mhz 32k flash 2k RAM 6 analolg ports 14 digital ports (6 PWM) Default language is C / C++ using GCC AVR
- 22. Arduino
- 23. So simple that you can do your own PCB You can take out many components for production Very easy to draw and DIY Arduino = simple
- 24. Arduino Arduino can run Java? NO, not the legal Java. But YES, www.kaffe.org – not officially Java.
- 25. Program-ME Brazilian development board based on Arduino Arduino + inboard resources: LEDs 4 high current transistors Light sensor Servo and analog simplified inputs
- 26. Beagle Board Very nice board for U$ 149,00, good candidate to be the central controller
- 27. Which one? Price Good for Not good for Sun Spot 750,00 prototyping with wireless and Java production Arduino 30,00 smaller dedicated controller Medium / high process, like video Beagle Board 149,00 medium / high process smaller controllers Raw Atmega < U$ 10,00 production for small dedicated controller prototyping
- 28. Agenda Introduction Open source hardware Hands-on automation circuits Integration with Java & JavaFX Complete architecture demo
- 29. Controlling Relay Very simple and useful with different applications: Wall socket Electronic Lock Electronic garage door Basic circuit components: Resistor, transistor, diode, connectors Just use 1 digital port for each relay
- 30. Relay PCB
- 31. void setup() { pinMode(2, OUTPUT); pinMode(3, OUTPUT); } void loop() { digitalWrite(3, LOW); digitalWrite(2, HIGH); delay(1000); digitalWrite(2, LOW); digitalWrite(3, HIGH); delay(1000); } Arduino Code
- 32. Demo #1 Introduce the central board controller Introduce JavaFX central console Show relay usage using Bluetooth
- 33. Digital Dimmer A/C light More advanced circuit using optical isolator and TRIAC (solid state relay) Can control A/C power for: Incandescent light Shower Fan
- 34. Demo #2 Digital dimmer in action with bluetooth and JavaFX Futuristic dimmer
- 35. RGB Illumination High power and low consumption; Can be RGB or one color; Very simple to drive: Uses three transistor PWM digital ports
- 36. Going beyond...
- 37. Wireless in you house Price Resume 433 mhz U$ 15 Simple but can be hard for many transceivers in the same environment. Good to have into house components. Bluetooth U$ 60 Very trustable, good for cell phone control Wifi U$ 100 Large distance, is expansive to have into house components, but perfect for central controller xBee U$ 30 The best choice, good price and many working mode X10 >U$ 200 Best choice for AC control
- 39. JavaFX Our choice because: It’s simple and rich Simple to integrate with wireless communication Simple to integrate with Sun Spot, Arduino or any other else; Java RXTX; DEMO JavaFX code with Arduino
- 40. Conclusion Many choices to automate your house by yourself Open-source hardware and software make it easy and acessible Do it yourself is a reality! Cheap & fun!
- 41. More... www.eletronlivre.com.br www.globalcode.com.br www.arduino.cc www.sunspotworld.com
- 42. More... Twitter: Vinicius Senger - @vsenger Jose Luiz Lorenzo - @jllorenzo Neto Marin - @netomarin Benedicto Franco - @benefrancojr [email_address]