Boozer Tells The Internet How Much You Drink (If You Want It To)

Over the past few years, Reddit user [callingyougoulet] has created Boozer, a DIY beer dispenser that keeps track of how much of your brew you have left in your kegs. Installed in a Keezer (a freezer that contains beer kegs and faucets) [callingyougoulet]’s dispenser uses a Raspberry Pi to keep track of things. A series of flow sensors determine how much liquid has passed through them and, when the drink is poured, can calculate how much you poured and how much you have left.

Starting with a chest freezer, [callingyougoulet] built a nice wooden surround as well as installed a tower on top to hold the faucets. The top of the freezer has nice granite tiles covering it, and some LED accent lighting adds to the end product. However, taking the granite off in order to get at the kegs inside takes some time (about 20 minutes.)

Inside the freezer is the Raspberry Pi and four flow sensors, each one connected to a GPIO port on the Pi. After some calibration, the Python code running on the Pi can calculate a pretty close estimate of the amount of liquid poured. There’s also a temperature sensor in the freezer, so that you can tell how cool your beer is.

If the build had stopped there, it would have been a great project as-is, but [callingyougoulet] added twitter, Slack and MQTT outputs as options, so that a home automation system (or the entire internet) can tell how much and when you’ve been drinking and, more importantly, you can know how much is left in your kegs! There are some very cool keg cooling builds on the site, such as, a kegerator built from the ground up, and a very elegant kegerator built on the cheap check them out for ideas!

Via Reddit.

6 thoughts on “Boozer Tells The Internet How Much You Drink (If You Want It To)

  1. “However, taking the granite off in order to get at the kegs inside takes some time (about 20 minutes.)”

    That sounds like another hack is needed! Horror Fright hydraulics, anyone?
    B^)

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