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GPIO port high or low level control invalid

Pi 4B
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  • Y
    YDY123 last edited by Dec 14, 2023, 10:15 AM

    Screenshot from 2023-12-14 18-09-35.png Screenshot from 2023-12-14 18-09-39.png

    GPIO port high or low level control invalid! WHY?
    help me!!!!!!!!!!!

    大法师 W 2 Replies Last reply Jul 30, 2024, 8:19 AM Reply Quote 0
    • 大法师
      大法师 @YDY123 last edited by Dec 15, 2023, 3:18 AM

      @YDY123 please use root user or with sudo command prefix.

      jack@cool-pi.com

      1 Reply Last reply Reply Quote 0
      • Y
        YDY123 last edited by Dec 15, 2023, 6:41 AM

        Screenshot from 2023-12-15 14-34-18.png 2.png
        命令都可以运行,但是输出一直是高电平

        1 Reply Last reply Reply Quote 0
        • Y
          YDY123 last edited by Dec 15, 2023, 6:42 AM

          控制不了输出电平@大法师

          J 1 Reply Last reply Dec 16, 2023, 12:42 AM Reply Quote 0
          • J
            jack_admin @YDY123 last edited by Dec 16, 2023, 12:42 AM

            @YDY123 4b和cm5的gpio引脚定义不一样。

            1 Reply Last reply Reply Quote 0
            • topic:timeago_later,8 months
            • W
              weiweiwei @YDY123 last edited by Jul 30, 2024, 8:19 AM

              @YDY123 请问你解决这个问题了吗,我也遇到了这个问题

              J 1 Reply Last reply Jul 30, 2024, 11:46 AM Reply Quote 0
              • J
                jack_admin @weiweiwei last edited by Jul 30, 2024, 11:46 AM

                @weiweiwei 你用的是哪个主板

                W 2 Replies Last reply Jul 31, 2024, 8:03 AM Reply Quote 0
                • W
                  weiweiwei @jack_admin last edited by Jul 31, 2024, 1:08 AM

                  @jack_admin coolpi CM5

                  W 1 Reply Last reply Jul 31, 2024, 2:46 AM Reply Quote 0
                  • W
                    weiweiwei @weiweiwei last edited by Jul 31, 2024, 2:46 AM

                    This post is deleted!
                    1 Reply Last reply Reply Quote 0
                    • W
                      weiweiwei @jack_admin last edited by Jul 31, 2024, 8:03 AM

                      @jack_admin 可以加我qq1952188069细聊吗

                      J 1 Reply Last reply Jul 31, 2024, 10:41 PM Reply Quote 0
                      • J
                        jack_admin @weiweiwei last edited by Jul 31, 2024, 10:41 PM

                        @weiweiwei 没问题。

                        1 Reply Last reply Reply Quote 0
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