First up - progress has been slow these past weeks. This is a hobby-level project, and the amount of time I have to dedicate to it will naturally vary with time. Wanting to keep a cadence in the log though, I thought I’d give a short update on the Dev Rig and talk a little bit more about the Gravity. Current focus areas Getting the Dev Rig closed up OTA flashing the RP2040 via the ESP32-S3 variegated-board Restructuring the variegated-rs repository(/ies) An update on the APEC Dev Rig We all know a picture says more than a thousand words, so here’s more than two thousand words.…

First up, I wanted to loop back regarding the discussion of the Flow sensor from the last post. I was able to get ahold of two Digmesa Nano-brass flow sensors. They’re quite a bit nicer than the Gicar flow sensor. They’re a lot smaller, have a wide operating voltage (\(2.8 - 24.0 V_{DC}\)), and they’re open collector, rather than CMOS or TTL, so they’re quite easy to interface. The good people of W.…

I’m introducing this new project log, in order to offer some transperancy into the work I’m doing. This first entry is going to be a little longer, but the plan is that going forward, I’ll aim to post an entry every other week or so, summarizing what’s happening in the project and where my focus is right now. Let me know in the Discord if there’s anything in particular that you’re excited to hear more about.…