Bluetooth SSP is one kind of Bluetooth Profile. Unlike a headset of other Bluetooth devices, you treat it like a remote USB. It’s popular because you can find this profile on the HC05/HC06 module. We can connect these modules to hardware like Arduino, Raspberry Pi. In this story, I’ll install an HC05 module to control a LED light. It’s a popular experiment online, but I want to do it myself. 🤩: It’s a DIY fun in COVID Period!