Some new design snapshots. Basically the same, except the relays nicely mesh under the outlets now. The low voltage parts aren't moved around, but the case bosses got some ergonomic adjustments:
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Great work im very interested in this using a esp32 it would mesh right into home assistant and node red for control and automation. Does it have power monitoring on the outlets that would be a great plus if it does or could be implemented in the design.
@theatrus I am in the need to replace one of my janky power strips but can I attach this via my normal reef-pi? I have 5v headers and IO ports coming off my hat and that is what I am using today but wasn't clear if I could do that with this build or not, probably a dumb question but thought I would ask, thanks.
So what is the input power wise, 12v? One more question what would it take to scale out to make a 8 outlet version. I know you made it for 3d print out but you could make a 2 piece print and just glue it together. I guess the other thing I could do is to make 2 of them and just use them separately. Guess i need to get looking at a parts list since the 5v relays i am using now appear to not always want to work, my other option is to go with another dj power strip.You can - you can attach those GPIOs to the matching pins on the board, and just not attach an ESP32 or Reef-Pi. The relay power supply is all on board, so just the GPIOs and the GND pin would be needed.
So what is the input power wise, 12v? One more question what would it take to scale out to make a 8 outlet version. I know you made it for 3d print out but you could make a 2 piece print and just glue it together. I guess the other thing I could do is to make 2 of them and just use them separately. Guess i need to get looking at a parts list since the 5v relays i am using now appear to not always want to work, my other option is to go with another dj power strip.
Nother dumb question could i bqck feed 12v through the expansion ports. I already have 12v and wondering if i skip the power supply and feed 12v from the expansion would that work for the relays?Its self powered - the AC/DC brick inside produces the 12V, and there is a regulator for 5V for powering logic (which won't be needed, though you could use externally or not attach the regulator).
Outside of the case its fairly straight forward to throw on more outlets (double row), just don't have the cycles to do that at the moment.
Parts list is on the last page of the PDF here: https://github.com/blueacro/reefvol...blob/main/pcb/pdf/schematics_bom_assembly.pdf
I hadn't gotten to the build guide :-D, but the PCB works for my use so far.
If you don't attach the Pi or ESP32, you can omit a lot of parts - the terminal blocks, buzzer, the circuits around 1wire, many of the ceramic caps. Basically any parts starting with 4xx and 3xx.
Nother dumb question could i bqck feed 12v through the expansion ports. I already have 12v and wondering if i skip the power supply and feed 12v from the expansion would that work for the relays?
Yes, it’s not a power bar, it’s a controller baseI like the project, but in my point of view electronic shouldn't use 70% of space. It's because you decided to go with multiple jacks for peripherals. Look on mass production smart power bars- they are thin and utilizing space for 100%
For me- I just can't fit so huge box for just 4 outlets
Controller base with "Essential power bar" in titleYes, it’s not a power bar, it’s a controller base
@theatrus let me know if I can be of any help with the software / testing side. Would love to get this working with reef-pi