the_duckchild
Member
I've read several threads that almost answer this but not quite... Probably a dumb question, but this is my first time building a project with a Teensy using 3.3v pins...
I am concerned that the 250mA limit on the 3.3v pin from the Teensy might get exceeded at some point if all the LEDs in my project are on at once , so I would like to give the Teensy more external power. In other projects this was simple: attach a 5v power supply to Vin, cut the pads to the USB power
I had planned to do the same here, but the limit on the voltage regulator means it won't actually help I assume?
I'm probably being stupid, but how do you get more current available without going through the voltage regulator which limits it to 250mA?
pretty sure i'm missing something elementary here, so please be gentle pointing it out!
(actually: I just made a bunch of current draw measurements on my components and actually I think I might be fine with 250mA, but I'd really like to know the answer to this for the future...)
I am concerned that the 250mA limit on the 3.3v pin from the Teensy might get exceeded at some point if all the LEDs in my project are on at once , so I would like to give the Teensy more external power. In other projects this was simple: attach a 5v power supply to Vin, cut the pads to the USB power
I had planned to do the same here, but the limit on the voltage regulator means it won't actually help I assume?
I'm probably being stupid, but how do you get more current available without going through the voltage regulator which limits it to 250mA?
pretty sure i'm missing something elementary here, so please be gentle pointing it out!
(actually: I just made a bunch of current draw measurements on my components and actually I think I might be fine with 250mA, but I'd really like to know the answer to this for the future...)