SoftwareSerial Library: This library allows you to create additional serial ports on digital pins of your choice. This is useful when the hardware serial port (pins 0 and 1) is needed for other ...

And here is what the actual HC-06 Bluetooth module looks like: This design scheme is suitable for LED stripes consisting of 30 or fewer LEDs. The reason for that is power consumption. One WS2812B LED ...

Creating a Bluetooth-controlled device with an Arduino Uno and an HC-05 Bluetooth module enables control of lights or even relays to manage AC appliances wirelessly using an Android smartphone.