I2C Level Shifter

@cygig

5 years ago

https://everycircuit.com/circuit/4991122977587200

When both sides are high, the MOSFET does not conduct, and each side is pulled up to either 3.3V or 5V. When 3.3V or 5V is low, the Vgs is positive and both 3.3V and 5V side is pulled low.