Nov 25, 2015
This was the first power output test of the L-Cheapo Mark 2. This solid state laser cutter, and others, are available for under $300.
Lasers
Laser Audio Transmission with L-Cheapo
Aug 7, 2013
The L-Cheapo laser cutter can do more than cut, engrave, or burn. It can also be used for direct-beam audio transmission! Make sure your goggles are secured for this one!