2 layers160 × 55 mm

NitrogenGenerator
tinic/NitrogenGenerator
DIY membrane nitrogen generator for home brewing nitro cold brew and beer. 50L/h output at 99.5%+ purity, 100 PSI, ~$2,200 build. Includes KiCad PCB, STM32 firmware, SolidWorks CAD, and full P&ID.
30 parts3