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OK, I’ve had this running for a few days now and I haven’t seen any issues. I took the tilt bridge upstairs to simulate the loss of a tilt and all seems to be working fine. The tiltbridge times out after 300s and the values disappear rather than becoming NaN...

Ha! I generally buy sours as I don’t brew them. I generally drink my own lagers and ales (but I spy some good ones above). But I’m glad we can all agree that NEIPAs suck. About time.

Picks on Monday May 9, right?

That stops the script from crashing, but you still get NAN in the temperatures. I’ll try and fix that tonight and then put a pull request in for both issues. This also might be the cause of something else that has been bothering me. Sometimes the web page has a hard time displaying the graph...

OK, here's a temporary fix that should work. The code is getting unhappy when null gets into the previous JSON. Need to figure out what the underlying issue is, but this will stop it from choking: diff --git a/brewpi.py b/brewpi.py index c2ed372..82d1246 100755 --- a/brewpi.py +++ b/brewpi.py...

Got it, I can reproduce it. It happens when a tilt has been sending data but then goes offline. With the lines above commented out, it doesn’t crash the script, but you get NAN for the temperatures from the tilt. If the line that calls an int() on HWVer isn’t commented out, then it will call...

Yes, the Mad Bishop and Bear on the mezzanine level of the station is a CAMRA-certified pub and has Fuller’s ESB and London Pride on cask. If you’ve only ever had them in the US, it will be a completely different beer (in a good way!). If you want to get out of the station, the Sawyers Arms’s...

Or these... https://www.britishcornershop.co.uk/smiths-scampi-fries

It's fish guts. Brewers call it isinglass so it doesn't sound gross. The yeast sticks to it when it's done fermenting and drops out of the beer leaving it clear. Here's where I saw the RV pump before: https://beerandbrewing.com/simulating-a-sparkler-on-a-beer-engine/

I’d leave the PRV closed until it’s finished secondary fermentation and then open it before you start serving, but yes that sounds about right. According to this beer priming calculator you want 0.6 oz of sugar for a 5 gal batch to target 1.1 vols of carbonation. Or you could just transfer it...

You wouldn’t be the first! I’ve seen posts here where people have made a beer engine out of one of these:

I was listening to episode 138 of the Hop Forward podcast today and there was an interview with Charlie Bamforth (the pope of foam). He told a story about how his job back when breweries had vertical integration and managed the pubs was to go around and yell at people who took the sparklers...

Yes, it's the little plastic thing that screws onto the dispense tube of a beer engine.

Well that's just wrong! 😁

Probably my blathering above. The if/else statement isn't indented properly, so python is choking on it. If you comment out the lines in brew.py that trigger the bug, you don't need to change any other files.

Hmmm.. what does git diff say about Tilt.py?

I don't see anything obviously bad with that code. Can you run git status and see if anything else has changed? You can ignore files in the data directory and the settings. I'm wondering if another piece of python code has been changed somehow.

This thread inspired me to pick up a copy of CAMRA's book "Cellarmanship" by Patrick O'Neill. His complaints about the "vexatious" use of the phrase "craft beer" on the east side of the Atlantic notwithstanding, it pretty much contains everything you might need to know about cask beer. O'Neill...

Hmmm... that's not the error I was expecting. Can you log into the Pi, cd into the directory containing brewpy.py and type git diff brewpi.py and paste in the output?

I'm guessing a syntax error in the python. Can you go to Maintenance Panel -> View Logs and paste in any error messages in stderr?