For my ultra-cheap polygon scanning laser projector (salvaged from a printer), I’m looking at RGB modules. I’m running a 300mW module which is not bright enough for anything outside of a pitch black room. The colors don’t pop. I’m debating just buying laser diodes and machining a copper block...
To build a scratch built laser projector, I am utilizing a 250mW eBay RGB laser module (edit: I believe it is made by Jolooyo). For my purposes, I need faster rise times - as it is, I cannot project a dot. A dot will instead show up as a line, and the rise and fall times can be seen visually as...