https://www.arduino.cc/
https://es.wikipedia.org/
http://android.processing.org/
http://ketai.org/
https://processing.org/
http://www.prometec.net/
http://arduino.stackexchange.com/questions/12627/how-to-use-ultrasonic-sensors-trig-pin-and-why-it-is-needed/
http://www.luisllamas.es/2015/03/medir-nivel-luz-con-arduino-y-fotoresistencia-ldr/
https://forum.arduino.cc/
https://e-elektronic.blogspot.com.es/2013/06/arduino-tutorial-parte-8-el-sensor-de_28.html/
http://www.educachip.com/utilizar-ldr-arduino/
https://www.arduino.cc/en/Reference/
http://www.electroschematics.com/
https://forum.processing.org/
http://arduinobasics.blogspot.com.es/2013/03/arduino-basics-bluetooth-android.html/
http://www.akeric.com/blog/?p=1435.html/
https://www.sistemasorp.es/2011/08/13/android-processing-bluetooth/
https://github.com/processing/processing/issues/
https://www.youtube.com/watch?v=P75kzOuoiI0/
Imatges:
https://sandpointcomputers.com/
https://la-meva-aula.wikispaces.com/La+terra,+planeta+del+sistema+solar.
http://aeecb.blogspot.com.es/
http://www.luisllamas.es/2015/06/medir-distancia-con-arduino-y-sensor-de-ultrasonidos-hc-sr04/
http://www.electronicaestudio.com/
https://www.arduino.cc/
http://android.processing.org/
http://ketai.org/
http://eembeddedsystem.blogspot.com.es/p/light-emitting-diodes-leds.html/
https://create.arduino.cc/