Node.js utility to read a Tilt Hydrometer
To run, you need Nodejs and Bluetooth 4.0
install using npm
$ npm install -g tilt-hydrometer
You should see something like this when you run it:
$ tilt-hydrometer
{ uuid: { value: 'Blue-a495bb60c5b14b44b5121370f02d74de' },
temperature: { value: 75, timestamp: 1519423260776 },
gravity: { value: 0.998, timestamp: 1519423260776 },
rssi: { value: -90, timestamp: 1519423260776 } }