I ran many tests on different level-shifters and setups to bring a bit more light into the topic. Here are the results: [image] All tests done with ESP32 C3, my custom controller uses a 74HCT2G17. The modified I2C levelshifter use an addtional pull-up resistor to 5V on the output and according t…

Levelshifter Analysis

dedehai June 2, 2024, 5:40am 12

Here is how I modified the I2C shifter, for everyone wanting to attempt this ‘hack’:

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