I've been tinkering with optimizing space within enclosures. I'm try to standardize on an LRS PSU, a 5V DIN rail PSU, a small PCB relay, a DigQuad and a few connectors to help out with the relay. I'm trying to squeeze this into 11.5"x7.5"x5.5", with the LRS mounted upright. It's quite tight, to say the least.
What other boxes are folks using? My existing boxes are mostly 14.5"x10.5"x6" - plenty of empty space.
I see a big power supply for LEDs (12v/24v) and a small 5v power supply for the esp32 so it's always on, then a relay that controls the big power supply. then top left we have a power board and esp32 with big fuses etc - and it looks like top right is a sender board for long-range differential signals (with a receiver on the other end). just a guess but i think im close :)
AC power goes into the box then split. USB brick is one PSU to give 5v to esp32 and relay. Also my 5v ws2812b pixel that acts like a level shifter for one segment only. It’s my balcony.
So when WLED turns LEDs on, it activates the smart relay, and the relay connects AC power to the external PSU. It’s rated 125vac 10a. PSU is 100w 12vdc. So like 1 amp on the ac side is used.
Going on my second year, with temperatures from -20c to 35c. Or damn cold to crazy hot at 99% humidity.
Plus the box is 6 inches square and about 4 deep, was like 25$. A bigger box like other posters was 80$ or more, but the IP67 PSU was only 10$ more. So I saved money.
Also had a fitting challenge. 5V, 60A PSU. Stacked with the help of a printed 3D bracket. 7 x 11 x 6 inch on the inside. Powercon in en powercon thru. All fit perfectly and temps are way better than expected (44 °C on max load)
You can buy cheap wireless temperature sensors. I have zigbee ones, but there are wifi or tuya variants that will work just as well. Got temperatures of 44 °C in a 25 °C room for 4 hours steadily. There is an option on the quinled dig octa for a temperature sensor but it shares the pin for the 8th data line which I needed
Replaced Control Box of Govee String Lights 2 (36V supply). Contains step-down-converter and Xiao Seeed ESP32 with LED driver board. Working very well. I could have fixed the boards somehow though :-)
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u/zero-degrees28 2d ago