I am connecting RasPi (Master) via I2C with Arduino Mega (Slave).
Do I need a level shifter for this or is it non compulsory?
As of now my code runs for some time before I get a Remote I/O Error message and the program stops running.
Could this be the reason?
RasPi GPIO is 3.3 V while Arduino is 5 V. It will work for a while but one day the RasPi won't work anymore.
Consider using cheap TXB0104 (Sparkfun sell breakout boards) bi-directional level convertors.
They are pretty simple to use and protect your RasPi and Arduino.
