and making his own take on an off-the-shelf Bluetooth audio module. The JL_AC6939B comes in an SOIC16 package and requires a minimum number of components. The PCB is therefore a relatively simple ...

Voila, he can control the tube with his phone. We love the potential of this hack. The Bluetooth module runs from 3.3V, and reading serial data and flashing an LED is extremely simple. You should ...