Raspberry Pi
From wikiluntti
Project Ideas
Bluetooth LE & Polar Heart Beat Monitor
Bluetooth
Erase the SD card
Use camera to format the SD card, or see https://www.raspberrypi.org/forums/viewtopic.php?t=204167 .
Bluetooth on Raspi 3
sudo apt update
sudo apt upgrade
sudo apt-get install python-bluez
#sudo apt install bluetooth pi-bluetooth bluez blueman
sudo nano /etc/systemd/system/dbus-org.bluez.service
. Modify ExecStart=/usr/lib/bluetooth/bluetoothd –C
sudo sdptool add SP
sudo reboot
sudo apt-get install bluetooth bluez libbluetooth-dev
sudo python3 -m pip install pybluez