[Dusjagr] has another take on building a laser projection microscope. Last year we saw a laser-based microscope that shined the beam of light through a water droplet which contained the subject to ...

Laser light shows have ... this homebrew X-Y laser projector. This is actually [Stanley]’s second pass at a stepper-based DIY projector; we featured his previous build back in 2016.

First, to build your ... gain (how much light the screen reflects back). Therefore, would it be cheaper to tack up a white bedsheet to your wall rather than pay for a premium projector screen?

Shenzhen-based home entertainment outfit JMGO announced a new affordable addition to its triple-laser projector line at CES ...