STM32 Nucleo-64 development board with STM32WL55JC MCU, SMPS, supports Arduino and ST morpho connectivity. https://www.st.com/en/evaluation-tools/nucleo-wl55jc.html Assisted-by: Claude Sonnet 5 <noreply@anthropic.com> Signed-off-by: Andrew Yong <me@ndoo.sg>