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I haven't seen it. Would be good.

FWIW this is similar to what @WBegg uses and is what I am going to purchase. Decent power, can be used as a portable power bank for other purposes too, no need for a separate charging device/alligator clips/etc. Small enough to throw in a waterproof box...

Nice work. Does the blower working through the resistance of the tube change anything?

Planning on building this soon. Thanks Bryan!

Awesome details, thanks folks. Side related question... if instead of using the A/C PSU I just used a 12V battery (either the one WBegg uses or the scooter one Bryan likes), does that change anything? I presume the voltage loss concerns are the same but is the added noise still in play? I'll...

Any concerns with using a DC barrel type power extension like this in between the Triad PSU and the HM? Was planning on buying a 12' to simplify my power setup during questionable weather. https://www.amazon.com/dp/B00FTFYH0U/?tag=tvwb-20

I've used mine in Minnesota winter without issues. The LCD doesn't like the move too quickly but nothing has died to date.

Looking forward to trying this soon.

@WBegg I presume this version with an additional USB output would work exactly the same? https://www.amazon.com/exec/obidos/ASIN/B00ME3ZH7C/tvwb-20

I'd love to be in the drawing! I will hand off my original to my neighbor if I win!

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Are those parts designed already by chance? Are the STL's available?

I can see no issues with this. And yes you will have to reflash/have a separate card.

@ChrisB in Miami , just those adapters? I could print them in PLA+ for you.

An FYI for those looking for a case for a HM 4.2 with Raspberry Pi Zero W (RPi Zero W); the 2line-TC-Rpi-A+ or 2line-probe-Rpi-A+ cases work as is, as does the Heater Meter 4.2 Sliding Back Case located at https://www.thingiverse.com/thing:1401249

Yup works! I now know that i have about a 0.05mm bad angle to the barrel jack soldering so I do have to fiddle to close it, but it otherwise works great.

Yup, I believe you are right. I am actually almost done printing the sliding back case for TC of RPi-A. Fit so far is great, waiting on the back to finish printing. Presuming the HM doesn't rattle around it will be perfect.

Yup and that worked. Thank you!! However if I try to go with the files from the original thread, no dice. I am going to mod the 4.2.4 case to close off the openings not needed for an RPi Zero W. Which version would you start with?

Folks, anyone having luck opening HM case designs in Fusion 360? Fusion 360 Personal doesn't allow any edits to DWG files from what I can tell and converting them to DXF so far hasn't worked either (only part of the design even shows up). Any tips/links?

Thanks Chris, ordered a prob and some extensions.