Hi Shishir,Yes, you need a 3V | Microcontroller › AVR › Inter-microcontroller interrupt service › Hi Shishir,Yes, you need a 3V January 15, 2014 at 3:59 am #10845 AJISH ALFREDParticipant Hi Shishir, Yes, you need a 3V to 5V logic converter circuit inbetween the attiny and atmega.
