Uploaded September 2018 | Updated September 2026, 8 hours ago
How to make wireless speaker which receives modulated blue light from a cell phone. Play music, radio, test your remote control with this modified speaker. You don't need power outlet nor extension cords. It is portable. It only needs battery inside. This video is made for scientific purposes so don't expect it to be hi-fi..
How to make wireless speaker which receives modulated blue light from a cell phone. Play music, radio, test your remote control with this modified speaker. You don't need power outlet nor extension cords. It is portable. It only needs battery inside. This video is made for scientific purposes so don't expect it to be hi-fi..
