3 lines
241 B
Markdown
3 lines
241 B
Markdown
SDA (i2c Data) is one of the i2c pins on the Pi, [learn more about i2c](/pinout/i2c).
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SDA includes a fixed, 1.8 kohms pull-up to 3.3v, which means this pin is not suitable for use as a general purpose IO where no pullup resistor is desired. |