2 layers300 × 20 mm

External PCB
Hackuarium/simple-spectro
Very cheap, autonomous and precise spectrophotometer for DIY biology and chemistry.
5 parts57
KiCad boards from 1 GitHub repository tagged “measure”, the most starred first; open any of them in PCBKit.

Hackuarium/simple-spectro
Very cheap, autonomous and precise spectrophotometer for DIY biology and chemistry.