loboris wrote:This is cheap and works very good.
It works with input voltages of up to 24V and can provide more than 2A of current.
You will need two of them, one for 5V and one for 3.3V

Thank you! I already ordered

For the fan, one option would be to run it at 5V (lots of fans work, although slower), another would be to have a little boost-converter from 5V to 12V... but to be honest, I'd just chuck a cheapo 12V PSU at the issue myself. Or redesign the entire thing to run off an 12V PSU, with buck-converters ...

Hi, I think the best thing for your project is to use an ATX power supply (in any old computer you'll find one you can use). These sources have several outputs 12v, 5v and 3.3v, so you can feed all your devices without problems and without spending any money. Plus you'll have plenty of power. Regar...

Hello everybody, This is my first topic ever regarding microcontrollers since I was hit by the automation microbe :) Apologies if this question was already asked but my searches didn't end up very consistent on this matter. I want to build a curing chamber in an old small fridge and I thought the ES...