control appliances with Rpi4, raspberry pi 4 control devices, rpi4 ble control, raspberry pi 4 ble appliances control Welcome to the next tutorial of our raspberry pi 4 tutorial. In the previous tutorial, we learnt how to interface a gas sensor with a pi 4. However, in this tutorial will cover how to automate your home with a Raspberry Pi and Bluetooth Low Energy. To automate a home means to mechanize its environme ...