Arduino has shrunk the UNO R4 with the Arduino Nano R4 board equipped with the same 48 MHz Renesas RA4M1 32-bit Arm ...

shield for Arduino Uno as ISP. Contribute to FalkoGiep/arduinoISP_Shield development by creating an account on GitHub.

If you grant access to me@<IP ADDRESS> and that address doesn’t match the host from where you’re connecting (your Arduino board), you will not be able to connect. There is a tip on this in the Wiki.