On my device there are two boards with 10 kOhm resistors between i2c and 5V. This is SparkFun level shift and LCD screen. Do I need to have a pull-up in the chain in only one device?
closed as unclear what you're asking by Chris Stratton, pipe, RoyC, Elliot Alderson, Dmitry Grigoryev Jan 15 at 14:47
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