This is a small adapter for microcontrollers Manufacturer: STMicroelectronicsProduct Category: ARM Microcontrollers - MCUPackage/Case: UFQFPN-20https://www.st.com/content/st_com/en/products/microcontrollers-microprocessors/stm32-32-bit-arm-cortex-mcus/stm32-ultra-low-power-mcus/stm32l0-series/stm32l0x1/stm32l011f3.html
