LED Slide Projector Retrofit Part 2: Fail
The basic problem is the COB LED I used is too large to focus well. I could solve it with various optical techniques. The first thing I tried was to… Read more »
Tag: steampunk
LED Slide Projector Retrofit
I got an old slide projector last year to display some moving gears for a steampunk event downtown. It uses a 200 watt projector bulb and gets quite hot. Inspired… Read more »