PikoKey - Mini HID USB Mechanical Keyboard

PikoKey - Mini HID USB Mechanical Keyboard For Your SmartHome Or Project! Firwmware Source Available!

allexoK

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Description

It's been a while since I wanted to work on something with the CH32V003 MCU, and I finally found some time. The CH32V003, being a 10-cent RISC-V MCU, actually has USB HID examples! So, why not create a simple, easy-to-use HID keyboard?

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Schematic_PikoKey_2024-10-22.pdf Adobe Portable Document Format - 228.25 kB - 10/22/2024 at 19:13		Preview

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PikoKey Firmware & USB Vendor/Product ID
allexoK • 10/22/2024 at 19:24 • 0 comments

The firmware is based on this USB HID examples. I will post the code within a few days, just need to clean it a little bit.

It's nothing super fancy, just code for handling the keyboard matrix. Just don't forget to disable the PD7 NRST functionality using the './minichlink -D' command.

Another interesting thing I encountered is that each USB device should have a unique combination of Vendor ID and Product ID. So, I invested a couple of bucks to buy it for PikoKey from MCS electronics (VID=16D0, PID=13B9).