Gallery Variable Power Supply Arduino Compatible Hackaday Io Arduino compatible gallery created by inviot dimitri synodinos • 10 16 2016 at 16:27 by using the inviot u1 you can build a variable power supply with a current limiter, amp meter and volt meter, on a single pcb. Connect a volt meter at the output of the pcb. press rotary for next, and the pwm pin (d9) goes all the way up (5v). adjust the trimmer to the maximum voltage that you would like to be your output. (about 2v less than the input voltage). press rotary to go to calibrate the volt meter of the voltage divider.
Gallery Variable Power Supply Arduino Compatible Hackaday Io I made the picopd a while back to combine the ap33772 ic along with our lovely rp2040 microcontroller. one of the capabilities of the ic is taping the programmable power supply (pps) of compatible usb c brick. i would recommend anyone to get ugreen 140w if you also own a higher power macbook pro that can quickly charge at 140w at 28v and 5a. Usb c power delivery 3.0 (pd3.0) introduces a new programmable power supply (pps) mode, which allows a device to negotiate any supply of 3.3 21 v in 20 mv steps, and up to 5 a of current in 50 ma s…. This board talks to a usb c supply that is compatible with the power delivery standard, and tells it to deliver a certain voltage and current output. this is then used to supply power to a pre. The goal of this instructable is to make a functional, ardunio digitally controlled, power supply. we tested the supply and controller so that you can grab your old laptop wall wart (output voltage between 14 and 20v), connect it to the supply's vin line and digitally specify what output voltage you want in the range between 0 and 12 v. assuming you already have an ardunio and a laptop charger.
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