Learn how to create a Bluetooth-controlled smart home lighting system using Arduino UNO, HC-05 module, LEDs, and mBlock 5 in this comprehensive tutorial. Build the Arduino device, configure the HC-05 module, pair it with an Android smartphone, and code using mBlock 5 with the 'HC-05 Bluetooth PCM' extension. Follow step-by-step instructions to set up the hardware, install the necessary app, and test the system. Access essential resources including code samples, Fritzing diagram, and links to required software and apps. Perfect for Arduino enthusiasts and those interested in home automation projects.