Electroplating experiments

I'm trying to develop a DIY through-hole electroplating process. Initial results are promising. Will write more about it later, but for now only some pictures.

Sodium persulfate and some copper pipes dissolved in distilled water. Pretty colour. Gnarly stuff. Don't drink this.

Adding value to a 5 SEK coin.

DIY benchtop photolithography system

Today's hack is a benchtop photolithography system for developing printed circuit boards. It's made out of a pringles can. The inside of the pringles can is coated with aluminum which should help reflect UV light.