Build your own high-quality water sensor to monitor your pool or spa, using the Amazon Alexa to check on the status of your pool.
Use Alexa to control your Raspberry Powered Cat Feeder.
Use Alexa to control your Raspberry Pi Powered Cat Feeder. The cat feeder can also re-order cat food using Amazon DRS.
An RSL10 Sense DB based system that can monitor and control the temperature, humidity and light intensity by Smartphone app and Alexa.