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For shits & giggles, I decided to wire up a cob and see how it looked. Here's the backside of the cob while running at 0.2A (& 30.8V for ~6W) The LEDs shine thru the ceramic support.

Used to post my grow at a site that went down since, so here's an update for those who followed me there. I'm mostly done tweaking for now and just giving enough attention to run some seeds and not mess with it. Raspberry Pi 4 with Mycodo, 4 PWM outputs for 2 fans and 2 lights, two combo...

Check out DietPi, a lightweight spin of Raspbian. It starts with a very lean and lightweight OS that excludes a lot of the unnecessary software included on Raspbian by default, leaving your environmental control system with more resources.

Anyone have a source for little plastic clips that get twisted into the slot of a 2020 extrusion and then act as a clip to grab and hold a led strip?

Anyone have experience to share in the use of GFCI breakers? Not outlets. I'm brainstorming for our new bloom room, I'll be running a new line from the existing main breaker panel to a new subpanel (domestic USA split-phase 240V/120V). From the subpanel there will be a 240V circuit for the...

The general rule of thumb everybody repeats concerning running LEDs and accounting for the lack of UV seems to be that the air temp should be warmer, around 80-85°F. But how does this jive with maintaining proper VPD? Shouldn't the VPD override this rule of thumb? Is it more important to raise...

Sweet, the next version of the Linux kernel is 4.20! Wasn't sure if he'd pick 4.20 or 5.0 but here we are!

Over in another thread, @Rocket Soul posted: I haven't seen much talk on the ability to have multiple drivers powering the same set of lights, and searching the forums doesn't get any hits. I think the concept deserves it's own thread. It's feasible, electrically, to have multiple power...

It's been running for over 24 hours now, hasn't burned down the house so looks like a success! 4 cxb3590 5000k (it's a pure veg light), EGL-200-C2100A meanwell driver 4 generic copper water blocks radiator, reservoir, pump, fan And the rest of the plumbing. Only been running it at the lowest...