https://www.st.com/en/microcontrollers-microprocessors/stm32l0-series.html?icmp=tt13120_gl_pron_oct2019
STM32L0 - ARM Cortex-M0+ ultra-low-power MCUs - STMicroelectronics
ST's STM32L0 series features ARM Cortex M0+-based ultra-low-power 32-bit microcontrollers, achieving an outstandingly low power consumption level. Best fit for...
arm cortex m0ultra low powerstm32l0mcusstmicroelectronics
https://hackaday.io/project/20777-stm32l0-watch
STM32L0 Watch | Hackaday.io
PCB design, software development, STM32 learning... The watch is just a bonus for me. ;)
stm32l0watchhackadayio