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Good to know. If I have issues, I'll swap to ssr.

Hmm... I haven't. I have manually flipped the switch, but without a load. I have seen a couple of freakouts on the LCDs though, so I certainly have some power surging issues somewhere, and it seems I'm having issues getting BT to reconnect... Also I've got one box where the backlight isn't...

As promised... LCD First Receptacle: Backside: and the Guts: Still have a little clean up to do, and caulk the cutouts for the receptacle and LCD, but it's together and functioning. Three more will go together this week when I get some more jumpers. Thanks to everyone...

BrewPi Minion build

BrewPi Minion build

BrewPi Minion build

BrewPi Minion build

BrewPi Minions

Same dimensions, or nearly so... and yes, I'm readying a sander/dremel/polishing disc to "adjust" the LCD board.

Will do. Pretty much ripped off day_trippr package-wise, and he's right, it's a tight fit in those Hammond boxes. I just got them all cut last night. Waiting on some more jumpers for final assembly, but I might have one completed this weekend.

Totally worked... 4 instances running happily on BT, and 5th hardwired to the Pi. Now onto the LCDs and stuffing it all in project boxes.

Perfect! Thank you! Crossing my nuts that I can get the rest hooked up and running tonight.

I've been struggling with setting up the BT on my rig. I finally got it up and running last night on a single instance, with a second instance still (and will remain) hardwired. I was stuck at step 5 of the walk through, getting garbage characters returned in the Serial Monitor with "AT"...

That's strange... but glad you found them.

HA! Yeah, did that right away.

Pretty sure that's what we did... While on the scope couldn't get the trigger response to settle with 5V, it would drop to zero an almost instantly retrigger. We tried adjusting the sensor while on the scope, but at 5V it wasn't going to stay stable "off" long enough to let the monitor blank...

Got it working... Took the PIR in today and had it on the O-scope. Basically the thing was just too sensitive. The EE and I played with it and managed to get the sensitivity dialed in when the sensor was powered with 12VDC as opposed to the 5VDC. I don't know anything beyond that because...

Hmmm... Don't own an O-scope, best I can do is a DVMM. I'll poke around at work tomorrow though; I may be able get one for the weekend. This is kind of where I was expecting to need to go. We've got to have a couple around the lab, if I can't take one home, perhaps I can bring in my...

Yeah... The very last attempt was just the Pi powered directly via its wall wart, the PIR powered separately via a 5V wall wart, and a single jumper to the Pi on GPIO 7. Nothing else in the box was connected to the Pi. I've tried the triggers set to both extremes and everything in between...

I'll post a picture later today, but honestly I've eliminated the wiring as the issue. The last troubleshooting test I did had the PIR powered and grounded via a separate 5V wall wart USB, and the data line connected directly to the Pi GPIO via a single dupont jumper. I'm very certain this...