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fix

This commit is contained in:
Maxim Devaev 2023-08-08 00:52:52 +03:00
parent f5d5c28f68
commit 40d6fc67f3
1 changed files with 3 additions and 2 deletions
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docs/pico_hid.md
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@ -23,15 +23,16 @@ If you are making the Pico HID for V2 or V3, then here is what you will need:
* *x1* USB-A to Micro-USB cable. * *x1* USB-A to Micro-USB cable.
* *x10* dupont wires female-female. * *x10* dupont wires female-female.
* Optional: *x1* 1N5819 diode. But any similar one will do. * Optional: *x1* 1N5819 diode. But any similar one will do.
* Optional: *x1* male-female dupont for the diode.
!!! tip "Tip for soldering guru" !!! tip "Tip for soldering guru"
If you know how to solder, you can buy the Pico without pins and no dupond wires, and just solder everything. If you know how to solder, you can buy the Pico without pins and no dupond wires, and just solder everything.
!!! warning !!! warning
The diode is needed to provide the power to the Pico HID regardless of the host state, The diode is needed to provide the power to the Pico HID regardless of the host state,
and prevents backpowering problem. Do not connect the red wire (the `VSYS (Pico) -> 5V (Pi)` line) without a diode. and prevents backpowering problem. It will allow you to keep the keyboard buttons pressed
during the host power cycle, which is important for MacOS to get into the boot menus, for example.
Do not connect the red wire (the `VSYS (Pico) -> 5V (Pi)` line) without a diode.
If you can't find the diode, don't connect this wire at all. If you can't find the diode, don't connect this wire at all.
Connect all the parts according to the scheme: Connect all the parts according to the scheme: