Multitouch. Android send order ON/OFF to LEDs in Arduino by Bluetooth HC-05

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In this web I wrote many examples of App Inventor, Bluetooth and Arduino:

http://kio4.com/appinventor/index.htm#bluetooth

In this post I present extensions about 3, 4 and 9 Multitouch:
http://community.thunkable.com/t/extension-multitouch-you-can-touch-concurrently-zones-in-screen/11659/5

Now we join those two projects:

Android with 4 zones multitouch send order to Arduino by Bluetooth for ON/OFF 4 LEDs.

You can touch several zones at once and send information to Arduino by Bluetooth for ON/OFF 4 LEDs.

multitouchBT3.jpg360×640 38.3 KB

arduino_bt_multitouch.png877×657 377 KB

multitouchBT2.png862×865 60 KB

Hola amigos, en mis tutoriales de App Inventor puedes encontrar información sobre Arduino, App Inventor y Bluetooth, en esta ocasión he unido el proyecto de Bluetooth con la extensión de Multitouch que he indicado en el enlace anterior.
Puedes pulsar una o varias zonas a la vez y enviar información por Bluetooth al Arduino para encender y apagar 4 LEDs.

p195_multitouch4_Bluetooth.aia (94.3 KB)

com.KIO4_Multitouch4.aix (9.8 KB)

Multitouch4_App_Inventor.ino.txt (843 Bytes)

Aquí puedes ver más claramente los códigos utilizados:

http://kio4.com/appinventor/9U_multitouch_BT.htm

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very beautiful
We can also turn the lights off by driving the relay.
If possible, help to speed up & down the control of the ac fan.

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Hi @Shivendra_Kr_Sahu, to control an ac fan to up & down. isn’t necessary multitouch, simply a button to up and another to down.

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oho & what about zero-crossing ?

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Depende cómo quieras controlar al ventilador, en vez de utilizar relé puedes utilizar Triac, hay mucha información de esto en internet:

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