2 layers

Boards in 1 GitHub repository, designed in KiCad, that use the SHT40I-AD1B-R2 by Sensirion (Factory calibration、Built-in heater DFN-4(1.5x1.5) Temperature and Humidity Sensor ROHS). See how each wires it, with its parts, size, README and files; the SHT40I-AD1B-R2’s symbol, footprint and pinout are on its own page.
