An ortholinear keyboard that’s designed to increase efficiency and reduce finger travel when typing, the 75 Keys aluminum kit comes with everything you’ll need to build a functioning mechanical keyboard.

You can customize every key just how you like and even put in a numpad if you'd like.

Crafted with CNC'd aluminum, the case is durable and stable. What’s more, the hot-swappable switch inserts allow you to swap out switches on the fly, without ever picking up a soldering iron.

The PCB supports RGB LEDs if you want to set the tone with underlighting. Backed by a Type-C USB connection, the keyboard connects to most new laptops and computers.

Idobao & YMDK ID75 PCB use F103 chipset whose Flash Memory Card is 128k.Much bigger than 32u4.Switch led support 3528 WS2812s Reversed RGB led.You can add on yourself,or just add usd5 to us to add on for you.

If you want special function,can still use MSYS and VS Code to make the file.However that need to learn yourself on website.Normal customers is enough to use VIA directly.

This STM PCB is combined Idobao & YMDK and customized to sold by YMDK.Idobao sold another edition (Atm chipset)

Idobao & YMDK ID75 Rev PCB Manuals as below

drive.google.com/file/d/1CspFyof5UET2N64QNmsh5K7Zhws-6ujP/view