110 is the correct value.
If you are using an atmega 328 though, the maximum safe current for a pin is 20ma.
1.5 Ic/40 Gain=38ma Ib
Big problem here.
Always show us a schematic.
110 is the correct value.
If you are using an atmega 328 though, the maximum safe current for a pin is 20ma.
1.5 Ic/40 Gain=38ma Ib
Big problem here.
Always show us a schematic.