I2C Logic Level Converter with Regulator Module - ProtoSupplies
I2C Level Converter - RobotShop
5v to 3.3v logic level shifter - CircuitLab
Need help with designing a I2C logic level shifter 5V <-> 3.3V. I don't exactly understand yet how a level shifter works, but I know what it does. I was wondering if this design I've made will work, or if I would be better of buying an IC made for I2C level