Arduino : How to Control an LCD Via Bluetooth

First, you should see the following Instructable:

How to Connect and Control an LCD Displays

• HC06 or 05 Bluetooth Module
• Wires

2 More Images

Bluetooth Modul VCC to Arduino 5V (at the same time if you want, you can use 3V3)

Bluetooth Modul GND to Arduino GND

Bluetooth Modul RX to Arduino TX

Bluetooth Modul TX to Arduino RX

I use "App Inventor" for create application

MIT App Inventor

Get the Code

* When uploading code remove the Bluetooth VCC cable

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