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    1. Cool Pi For You
    2. Hardware
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    • G

      CoolPi-4B硬件资料持续更新

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      G

      @王猛龙 目前没有做deepin的适配,原理上是可以支持的,内存卡理论没有容量限制,只和文件系统相关。

    • G

      CoolPi 4B硬件扩展二:Serial port

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      G

      @santu
      重启和重新上电以后运行如下命令发出来

      ls /dev/ttyS*
    • G

      电路中谁在发出啸叫的声音?

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    • G

      CoolPi 4B硬件扩展四:GPIO

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      @Orion 参数如下帖子处理,增加规则文件
      https://www.cool-pi.com/topic/136/coolpi-4b-python3-gpio-operation-compatable-with-raspberry-pi/21?_=1694425872738

    • G

      CoolPi 4B硬件扩展一:40PIN接口介绍

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      G

      @AugustRobot_Zou 按照5V 3A的标准来配置。一般散热按照12W评估。正常工作也就5W左右。

    • B

      ZD25LQ64(NOR FLASH)停产了,有没有替代的

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      B

      @george 谢谢。那就用这个换

    • G

      COOLPI CM5 AD7606 8-channel synchronous sampling

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    • T

      CoolPi 4B硬件如何扩展 CAN接口

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      J

      @Tourists-0

      参考修改内核设备树文件,举例使能can1

      vim arch/arm64/boot/dts/rockchip/rk3588s-cp4.dts &can1 { pinctrl-names = "default"; pinctrl-0 = <&can1m1_pins>; status = "okay"; };
    • A

      coolpi4b 在EMMC使用时,40pin 5V是否有功耗限制?

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      A

      @george 是5V的,那应该是这个原因了

    • G

      CP4散热器模组、底壳保护板套装

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      大法师大

      @edwardzhou 用U盘备份安装系统,不用考虑移除emmc

    • L

      Type c power port

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      G

      @lej40 said in Type c power port:

      Is the the type-c PD port also a USB-c data port

      Sorry,This port is used for power supply and has no data connection.

    • T

      是否可以 3顆 18650 並聯輸出電到 typeC USB 充電孔?

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      G

      @tonyone0902 如下图所示,板子的BOTTOM面有测试点,可以焊接外部电源。
      7f4233d9-6a7e-4ea8-b36b-f3d36d8c6cb7-image.png
      机器本身不具备电量侦测功能,可以外加库仑计通过I2C接口。

    • J

      双4K usb摄像头

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      J

      @george
      我已经发现了会独占屏幕 锁屏了图像还在。。

    • L

      Display Port

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      G

      @lej40 The DP interface cannot be configured as a USB3.1 interface. If two USB3.1 interfaces are not enough, it can be extended by using an external USB HUB. Two USB2.0 connectors are reserved on the back of the CP4 machine for users to use.

    • T

      是否有 pin22 & pin24 接 Dmic Example?

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      T

      @george

      Thanks!

    • G

      How to drive a TTL (RGB) interface LCD

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      G

      @retroman Has been updated, please check.

    • G

      How to drive a edp interface LCD

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    • G

      CoolPi-4B硬件扩展五:PWM

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    • G

      CoolPi 4B硬件扩展三:I2C

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    • G

      Mini-DP转HDMI线材的说明

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