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Thanks again @shimbob. Any chance you could share the additional 10v power supply you're using? I wasn't sure if I'd need an additional power supply for just the Cloudline S4, since it sounded like the 10V from the fan would be sufficient, but it sounds like it might be worth adding anyway. I'd...

Thanks a lot for the info. Do you not need any additional resistors you’re using this optoisolator breakout board instead of a PC817 and supplying 10V power directly? I’d originally wondered if I needed another power supply for running multiple pwm signals, since the esp32 only outputs 3.3V, but...

@AdaBill do you have any concerns about having the Esp32 ground hooked directly to the fan’s ground? I like your approach, because I prefer not to have to mess with the wiring inside the Cloudline fan control box, but was wondering if isolation is a concern. Someone in another thread mentioned...

Thanks a lot, you did indeed. Have tried running multiple PWM signals off the same ESP32? I’m thinking about trying to run both light dimming and fan control off the one ESP32, but wasn’t sure if this would cause any problems.

@AdaBill Quick question: I see you have the PWM and Ground leads of the MOSFET soldered and connected into the breadboard, and then are running dupont wire connectors from those points on the breadboard to your Esp32. Which GPIO pins on the Esp32 are they connected to? Ground and GPIO5? Thanks!

Thanks @inDC4now. I haven’t grown either yet, so I can’t say, but I’ve heard great things about both. Supposedly fatalii is about the same amount of heat as habanero, but with a really unique and floral/citrus flavor, and everyone I’ve spoken to loves Aji Limon. I make fermented hot sauces, and...

Hey folks, after months of reading and researching I'm just getting ready to embark on my first indoor grow. I figured I'd start a journal here as a way to keep track of everything. This grow will probably be considered a bit unusual because I am growing an autoflower strain (Sour Stomper by...

The system isn't running yet, so I'm not sure what the water temp will be. The ambient temperature in the tent right now is around 72F, but is without any ventilation - we're having this crazy polar vortext weather, so at the moment I'm actually more concerned about keeping it warm than cool...

I hadn't heard of ice probes before, so I'll look into them. May be the right solution for my set up, if they're not too expensive. Honestly, the more I think about it, the best thing for me to do is probably to use this small tote as a proof-of-concept for the first month or so before moving...

Thanks for all the detailed advice! I'll keep my eye out for a reasonably priced chiller. I've also been super interested in MegaCrop based on other folks posts here, but I haven't checked to see how much shipping to Canada will be.

Hi folks, I'm hoping to get some general advice for my first grow in a long time, and my first hydroponic grow in general. Many years ago I grew in soil, but things have changed so much since then I feel like a noob all over again. I have a small grow space with a 32"x32"x63" tent. Because I'm...

I'm seriously considering this actually... Specifically the FOTOP-V2-320H-1 PLUS 320w quantum board kit from Meijiu. I spent all day and night yesterday learning about LED strips, drivers, and electrical currents while crunching numbers, in order to design the highest quality and most...

Good to hear that the 260 is seeming sufficient. Did you buy from HLG's Canadian site? Last I checked they only had the normal 260 QB not the XL version that is supposed to be better for 2x4.

Thanks a lot for the replies! This gives me more to consider You're right - I didn't really have a specific figure in mind, but the cheaper the better really. However, I don't want to sacrifice quality and then just have to upgrade in 6 months. Ideally, I guess I was hoping to spend less than...

Hi folks, first of all thanks for all the combined knowledge on this forum... it's pretty staggering. I'm a total noob at this LED stuff, and to be honest my head is spinning. In general I like DIY projects, however I don't really know anything about electricity, so the learning curve is...