Arduino_Bluetooth_Communication

Bluetooth communication between two arduino uno/ nano

Door module

• When connected to the raspberry pi via bluetooth, the raspberry pi will send "0x1" indicating that it want to start a connection
• When Arduino Nano detects this event it will enter listen mode for the sensor and send "0x2" when the door opens, "0x3" when the door closes.
• "0x4" can be sent from the raspberry pi to check if the bluetooth connection to the Arduino Nano is still present (Only when Arduino Nano is in "waitForConnectionEstablished" mode).
• "0x4" can also be sent from the Arduino Nano to see if the connection is still present (This happens every 10 seconds).

Raspberry Pi Bluetooth Controller

Requirements

sudo apt-get install libbluetooth-dev
sudo apt-get install python-dev
sudo pip install PyBluez

HC-05 - Bluetooth Module

HC-05 - Bluetooth Module link

HC-05 Datasheet

Setup HC-05 for BT communication here.

Software for Breadboard design

Fritzing Electronic Design