that piece is this?

Eu quero  construir um  Arduino  e preciso de um  regulador de tensão  entre as peças  que eu tenho esse  é o mais  semelhante ao  que  encontramos  na internet

Picture of that piece is this?
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solid state transistor, commonly found in phone chargers

iceng3 years ago

Its a TO--220 package style, power transistor.

If you are looking for a regulator pinout.

iceng iceng3 years ago

BTW I can only make out a "2"


There is ZERO point posting an out of focus picture, when the numbers are what we need to read.

bwrussell3 years ago

It apears to be a transistor of sorts but with out an in focus picture thats all I can say.