Use Yocto on BeagleBone Black.
PocketBeagle® can become your personal Amazon Alexa assistant. Follow these instructions and this tiny BeagleBone will do more than fetch!
Easy to build and program health monitor provides heart rate, temperature and moisture readings. Uses BeagleBoard PocketBeagle.
X10 modules are cheap and everywhere, in order to integrate these modules into your DIY home automation system it is nice to have a bridge.