Wireless alternative to ATMEGA32U4

By jerrynerice ·
Good day, all
I want to build a wireless keyboard, and the ATMEGA32U4 that the tutorial requires uses USB. As a noob with eletronics that doesn't even what terms to user search an alternative to ATMEGA32U4.
I want to build a PCB to build a abnt2 keyboard with TKL(80%) size. Actually I have searched a lot, and does't find anywhere this device to buy, so I'll try to build it myself.
Is there anyone have some ideas of it? Many thanks.

Enclose ATMEGA32U4 Data Source as Reference: https://www.apogeeweb.net/productdetail/Microchip-Technology-ATMEGA32U4RC-AUR-sn1Gk4gt
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