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Update gpio.md

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Maxim Devaev 2020-11-11 22:43:31 +03:00 committed by GitHub
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@ -166,3 +166,6 @@ SUBSYSTEM=="usb", ATTR{idVendor}=="16c0", ATTR{idProduct}=="05df", MODE="666"
``` ```
Channels should not use duplicate physical numbers. The driver supports saving state between KVMD restarts (meaning `initial=null`). Channels should not use duplicate physical numbers. The driver supports saving state between KVMD restarts (meaning `initial=null`).
### ezCoo KVM switch
You can use GPIO to control switch port switching. This usually requires the use of relays and buttons, but for the [ezCoo switch](https://github.com/pikvm/pikvm/blob/master/pages/ezcoo.md), there is a special driver that simulates GPIO by sending commands to the switch over the serial port. So you can make a menu in Pi-KVM to control the multiport switch.