Sensor Data Sending Thru Bluetooth to Android App

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javachip
Posts: 1
Joined: Mon Dec 17, 2018 10:14 pm

Sensor Data Sending Thru Bluetooth to Android App

Post by javachip » Mon Dec 17, 2018 10:33 pm

Hi! I need help on these stuff and I am planning to make a project and app out of it.

So first of, the stuff I do have are:

1x Arduino UNO
1x Bluetooth HC-05 (Keeps blinking)
1x Raindrops Sensor
2x HC-SR04 Ultrasonic Motion Sensors

Now, the question that I do have are:

1. The bluetooth keeps blinking even I connect my Android phone in it. Should I switch it to slave or master?
2. What mode should I have it preferred with so that I receive data from my phone app? Slave or Master?

Thanks for the advice in advance.

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