Delinx 2Pcs AC DC Converter Module Universal 110V 120V 220V 230V to DC 5V 12V Isolated Switching Power Supply Board (DC 5V 2A Version)

Used this in an old intercom system to provide bluetooth thru the aux input. This little converter fit nicely inside the cabinet, attached with some velcro. It is quite small and light. Left it on for hours and ho issues with heat. 110V draw is nominal so was able to use 18 gauge wire from 110 source to this. Cut an old USB cable to provide power to bluetooth. Probably 20 gauge. Holes for wires are quite small, but what I used fit fine. Anything bigger may be an issue. Or you could use a push on connector.Yes, you get two of them that need to be separated. Just used my dremel with a thin abrasive blade to score the seam and then snapped apart. Easy peasy. I'm sure you could do the same with a sharp knife. There appear to be no electronics of traces in the area you need to cut.

Powers a arduino nano and small stepper motor. Used in a flip number clock radio. It doesn't emit too much noise unlike some switching power supplies would.

Really nice and well built with what looks to be top notch materials, i really like these for my projects.

They work great to power esp32 boards however they are a little hard to solder onto. The metal strips away easily.

These are small. I was able to fit two of them in a 2.4"W x 2.2"H x 1.3"D box. Hot glued down. AC voltage in, and two sets of 5V out for two USB ports for charging.Neat little boards, and a neat little project. Put them on a guitar pedal board because somebody always needs to charge their damn phone or tablet on stage.

this little thing is tiny! i mean 'tiny', which is kind of nice when your install room is limited.. i have it running two quiet pc fans in what was a too hot av receiver amp.. think of 3/4" x 1 3/8" x 1/2", and you will know that the soldering tabs will require a fine tipped iron to wire up... you will have problems if you are planning on using grandpa's 'old weller'.... safety is an issue with any unenclosed board, but since it is inside the amp enclosure i just placed it in a thick bed of hot melt glue... it works great and does what i needed it to...

I've used these power supplies before and found them excellent. They do not need lots of space and easily provide the power promised.

Very easy to install once I had the 3d printed box from printables ("parametric project box for small pcb") printed out. I used it for the 12v version but most/all of the other sizes appear to fit. I used the converter inside a streetlamp to convert the 120v AC to 12v DC for a USB charging port usually installed in vehicles and plugged my Wyze cam into it.