Shouldn't the PN532's IRQ pin generate an interrupt when a card is received? I'm using the serial port mode, but why is it that even though I set the IRQ pin to be enabled, it doesn't work? I can read
[i=s] This post was last edited by shihuntaotie on 2019-1-9 21:39 [/i] [font=宋体][size=4] Read all sensor data of the kit according to the evaluation plan, and still use the online IDE for programming.
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I was in a rush to deliver goods. I didn’t have time for the sample. I just made a small batch and poured copper. I made a mistake in a hurry. The ground terminal of the Kelvin sampling was poured. Wh