4 layers36 × 36 mm

Week6 CH592D SHT40 Pro Verification
421890164au-cell/temperature-humidity-sensor-pro
CH592D and SHT40 based low-power BLE temperature and humidity sensor PCB project
25 parts
Boards in 2 GitHub repositories, designed in KiCad, that use the CH592D by WCH (Nanjing Qinheng Microelectronics). See how each wires it, with its parts, size, README and files; the CH592D’s symbol, footprint and pinout are on its own page.

421890164au-cell/temperature-humidity-sensor-pro
CH592D and SHT40 based low-power BLE temperature and humidity sensor PCB project

openkeyboard-org/OpenDongle
OpenDongle CH570 is a compact USB Type-A 2.4 GHz receiver built around the WCH CH570Q RISC-V wireless MCU. The PCB is 16.4 mm x 10.0 mm and uses a PCB-edge USB connector and an independently created, WCH-informed 2.4…