For control Arduino via Bluetooth it’s a simple, basic and functional apps
The Arduino Bluetooth Relay 12 Channels App supports to control 12 channel relay module via Bluetooth (HC-05, HC-06, HC-07 ect.) modules.
You can use for control the Arduino’s Pin13, Pin12, Pin11, Pin10.
You can connect the Bluetooth modüle on Arduino’s RX pin0 and TX pin1.
(You can be modification Arduino code and connections.)
Project Application steps:
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Install “ARDUINO – BLUETOOTH 12 CH.” Application from Google Play Store.
Download Connection schemmatic.and Arduino .ino code from below link:
Connect your devices.
Download Arduino .ino code to your arduino Uno card.
(It takes just half hour.)