In the I2C Voltage translation circuit below, does it matter which side (SDA1/SCL1 or SDA2/SCL2) is the master and which side is the slave?
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\$\begingroup\$ doesn't matter. Which is can be pulled LOW there is provision to know from other side. \$\endgroup\$– user19579Nov 14, 2016 at 8:04
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It doesn't matter which one the slave or master. It works in two directions.