tony
tony
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J10 port is for fans, you can connect a fan to this port and attach it to Raspberry pi to cooling it.
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Power switch and I2C should not clash, there might be some error in your script or operation.
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Actually, the principle that the RFID module can detect different NFC cards is to identify the ID number written into the NFC card. And the process can be divided into two steps: Step1: Write the id to NFC card, you can refer to the python script nf…
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There are probably two methods to achieve this effect: Method 1: Make a function for LCD, LED matrix, or 7 segment display, and then call the function when the RFID module detects a specific NFC card. Method 2(easy way): Use the os.system(cmd) funct…
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Hi nicholasperratt, it seems that this question has been raised and solved before, please check here Posting the same discussion may confuse other users! Please search the forum for the answer first, and only post the discussion when you can’t find …
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You should use pin 26 and GND to connect your power switch. You sure can use the button matrix or 4 individual buttons to act as a power button and what you need is to program to achieve it.
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The servo pins circled in the red frame are pin 26 and pin 25 in BCM mode. For more on-board modules information, you can find them here Also, you can also find pin labels on the PCB board.
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@Pearl Thank you for your attention. This is because the comment of a normal account can only be modified within one hour, and it cannot be modified after more than one hour. However, for your activeness and kindness, I would like to invite you to …
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You can use some of the pins that have been led out as the power button pin, as shown in the figure below, the servo pins in the red frame: https://forum.elecrow.com/uploads/880/HMFH7ZOBOWM0.png
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No, the power bank will not be charged through the DC12V power port, please do not use them at the same time!