Automated CIP Timer

[matt_m]

In addition to my brewing hobby I'm do a lot of home automation and 3D printing projects. Occasional the three come together, like this CIP timer. The device is essentially a remote control for a Home Assistant automation (in NodeRed) that turns on a smart plug for 2, 10, or 20 minutes which cover my CIP times for my fermenters (20 min) and kegs (10 min) as well as rinse/sanitize cycles (2 min). At the end of a cycle Home Assistant sends me a phone notification which means my watch vibrates and tells me its complete. This saves the immense hassle of turning the pump on and remembering to set a timer

The box contains a D1 Mini ESP32 with an ESP Home configuration to read the buttons and drive the display. Everything else is done in Home Assistant, mostly in Node Red. Not pictured, the back has embedded magnets to stick on the Wall Control panels I have in my brewery. For now its USB-C powered but eventually I'd like to convert to battery power.

 

[day_trippr]

Cool! Love the retro display and matching trim

 

[matt_m]

Yeah, used that so I can read it from across the room--LCD or e-paper would have been too hard to see from a distance. The red--its hiding the fact that the sides of the box are a different texture than the faceplate. The faceplate "had" to go inside the box to hide he 2 layers of white it took to get the lettering. Has me thinking again about the MMU3 for my Prusa printer so I can do color changes on the fly.