2 layers30.5 × 20.3 mm

Boards in 2 GitHub repositories, designed in KiCad, that use the STM32WB30CEU5A by STMicroelectronics (-100dBm -10℃~+85℃ 1Mbps 2.4GHz 2V~3.6V 4dBm 7.9mA 8.8mA SPI、USART、I2C ZigBee、Bluetooth、802.15.4 transceiver UFQFPN-48(7x7) Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the STM32WB30CEU5A’s symbol, footprint and pinout are on its own page.