2 layers300 × 20 mm

External PCB
Hackuarium/simple-spectro
Very cheap, autonomous and precise spectrophotometer for DIY biology and chemistry.
5 parts57
Boards in 2 GitHub repositories, designed in KiCad, that use the TSL237T by Advanced Monolithic Systems (-40℃~+85℃ 2.6mm 2.7V~5.5V 3.8mm Built-in temperature compensation Light Intensity SMD-4P Ambient Light Sensors ROHS). See how each wires it, with its parts, size, README and files; the TSL237T’s symbol, footprint and pinout are on its own page.

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