ATTINY85 and voltage regulator

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i need make few relays timers.   it seems attiny85 fit bill nicely.

on devices have looked at   digispark,  chachka/trinket, , such, have on-board voltage regulators.

since use regulated power supply of stuff do, seems redundant.

also appears usb programming super simple.  resistors , schottky's , no secondary ftdi chip.....

all doing using '85, opto input , fet relay activation.

is there reason board mounted voltage regulator missing ?

well attiny85 doesn't have one.

board mounted regulators allow more diverse range of power solutions , protect if there spike in voltage.


Arduino Forum > Using Arduino > Project Guidance > ATTINY85 and voltage regulator


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