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Waveshare R7FA4 PLUS A and B boards are clones of the Arduino UNO R4 Minima and WiFi
(www.cnx-software.com)
Everything microcontrollers: projects, questions, new releases, etc.
dragontamer's Beginner Guides:
Beginner Series I: What is a Microcontroller?
Beginner Series II: The "Generic" Microcontroller
Beginner Sidenote: Microchip's Signal Chain Design Guide
Beginner Series III: Skills and Complexity Tiers
Beginner Series IV: Deep Dive into Microchip's AVR EA
Second paragraph. So they are not clones, but derivatives.