Have you tested their newest XIAO MG24, based on Silabs? It's said the power consumption is even better than the nrf52840 model.

Agree on this!

Speaking of the doorbell project, I recently found this cool piano doorbell project, a beautiful-looking and sounding doorbell that looks like a miniature piano. It has five individual, fully functional piano keys. Each key, when pressed, plays a distinct note, sampled from a real piano: https://www.hackster.io/makestreme/a-piano-doorbell-that-sou...

I think the Seeed Studio XIAO RP2350 will run NuttX soon too. Just saw the pr.https://github.com/apache/nuttx/pull/15968

Yes,it's official now: https://nuttx.apache.org/docs/latest/platforms/arm/rp23xx/bo...

Have anyone tried this new AI Agent from Seeedstudio yet? It's called SenseCAP Watcher