A DIY Keypad Kit sold by KPRepublic, runs TKG natively.
Keyboard Maintainer: QMK Community
Hardware Supported: COSPAD Hardware Availability: https://aliexpress.com/item/cospad-Custom-Mechanical-Keyboard-Kit-up-tp-24-keys-Supports-TKG-TOOLS-Underglow-RGB-PCB-20/32818383873.html
Only supports on and off for the backlight leds, as they are not connected to a PWM pin.
Make example for this keyboard (after setting up your build environment):