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Little Bird Electronics
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🧮 Logic level shifter selector

Pick your From and To voltages and signal type (bidirectional I²C/one-wire or unidirectional push-pull), and watch the circuit diagram update live — the shifter block recolours and relabels to show the right technique, voltage bars scale to each domain, and the arrow flips between one-way and two-way.

Maddy, co-founder of Little Bird

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