Uploaded March 2024 | Updated September 2026, 2 weeks ago

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Unravel the mystery behind picking I2C pull-up resistor values! Discover why certain values work, the rise time calculations, and how to find I2C bus capacitance. Bald Engineer James guides you through selecting the correct resistor. James shows examples of resistors that are too big (Arduino internal pull-ups) and the correct value. Take advantage of these tips on ensuring compliance with the I2C spec. Ready to become a pull-up resistor pro?

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