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🧮 I²C pull-up resistor calculator

Choose your Vcc, bus speed, and total bus capacitance, then watch the I²C bus diagram update live — including the RC rising-edge waveform that sharpens with stronger pull-ups and softens with more capacitance. Calculates the minimum and maximum pull-up values per the I²C specification.

Maddy, co-founder of Little Bird

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