When connecting multiple I2C devices/slaves to the Arduino do I need pull-up resistors at each slave or is one set of pull-up resistors enough. When I look a different examples I see both setups. [image] and [image]

pull-up resistors for the I2C connection

Headroom November 1, 2012, 4:13pm 5

This is a very interesting articel of the effects of these pull-up resistors on the I2C signal.

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