Can i use adafruit motor shield for arduino v2.3 with this board?

I don’t see why you couldn’t be able to as long as the 𝐒hield has the shape of an uno. However I had to buy an uno because the processor architecture is different with the WiFi revision 2 because it uses a different chip. The program I wrote was unable to run on the WiFi revision 2 but worked fine on the uno revision 3

What’s the difference between this and the yun rev 2?

I think the revision 2 uses a different processor chip while the revision 1 uses the atmega328 which is the same as the uno

I got it to connect to my WiFi with a sketch but I can't get anything from 192.168.240.1 is this the rigth address?

It seems like you are using the previous version of the uno wifi. The uno wifi rev 2 doesn't have a web panel, in order to control the wifi connection you need to use the WIFI NINA library

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🚀 Unlock the future of IoT with Arduino UNO WiFi Rev.2 – where power meets wireless freedom!

ENERGY SMART DESIGN - Optimized for low power consumption, ideal for battery-powered smart home and industrial setups.
ROCK SOLID SECURITY - Built-in crypto-authentication chip ensures your data stays encrypted and hacker-proof.
PLUG PLAY COMPATIBILITY - Retains classic UNO form factor and supports all your favorite shields and Arduino IDE tools.
POWERHOUSE MICROCONTROLLER - ATmega4809 delivers enhanced memory and speed, perfect for complex, next-gen projects.
WIRELESS FREEDOM BUILT IN - Say goodbye to cables with native WiFi & Bluetooth LE connectivity for seamless IoT integration.

The Arduino UNO WiFi Rev.2 combines the trusted ATmega4809 microcontroller with an integrated ESP32 module, delivering built-in WiFi and Bluetooth LE for secure, high-speed wireless connectivity. Featuring a crypto-authentication chip for encrypted IoT communication, it supports Arduino IDE, OTA programming, and maintains full compatibility with classic UNO shields. Its expanded I/O options and energy-efficient design make it the ultimate choice for advanced smart home, industrial, and robotics projects.

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Processor	none
RAM	SRAM
Wireless Type	Bluetooth
Brand	Arduino
Series	Arduino UNO WiFi REV2
Item model number	ABX00021
Operating System	FreeRTOS
Item Weight	1.41 ounces
Product Dimensions	3.15 x 2.28 x 0.91 inches
Item Dimensions LxWxH	3.15 x 2.28 x 0.91 inches
Processor Brand	Microchip
Number of Processors	1
Manufacturer	Arduino
ASIN	B07MK598QV
Is Discontinued By Manufacturer	No
Date First Available	December 21, 2018

Arduino UNO WiFi Rev.2 [ABX00021] – Wireless-Enabled Microcontroller Board with ATmega4809, Built-in ESP32 WiFi, Secure IoT Connectivity, and Bluetooth Support

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