Hardware & software:
- AliveCor Kardia Mobile ECG for Apple and Android devices for $99 (on Amazon) from Leo Laporte.
- Synology DS216+II NAS DiskStation, Diskless for $299 (on Amazon) from Andy Ihnatko.
- Ecobee4 Alexa-Enabled Thermostat with Sensor for $249 (on Amazon) from Rene Ritchie.