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Raspberry Pi – Driving a Relay using GPIO | SusaNET
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日期：2026-04-20
The GPIO pin used in the example code is GPIO_17, which appears on pin 11 of the Raspberry Pi’s 26-pin expansion header (opposite GPIO_18 (PCM_CLK) and beside GPIO_21 (PCM_DOUT)). The choice of GPIO 17 was simply because I considered it less likely ......看更多
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