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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🚀 Elevate your IoT game with Arduino UNO WiFi Rev.2 — where connectivity meets security and performance!

ROCK SOLID SECURITY - Keep your data safe with the integrated ECC608 crypto chip, ensuring encrypted and secure communications.
MOTION SENSING MADE EASY - Built-in LSM6DS3TR IMU sensor lets you add precise motion detection and gyroscopic monitoring to your projects.
SEAMLESS IO T INTEGRATION - Effortlessly connect your projects to WiFi or Bluetooth networks with the built-in u-blox NINA-W102 module.
FLEXIBLE CONNECTIVITY POWER - 14 digital I/O pins, 6 analog inputs, multiple power options—USB, AC adapter, or battery—adapt to any project environment.
NEXT GEN MICROCONTROLLER POWER - Experience improved speed and functionality with the ATmega4809, fully compatible with classic Arduino UNO sketches.

The Arduino UNO WiFi Rev.2 is a compact, powerful microcontroller board featuring built-in WiFi and Bluetooth connectivity, secured by an ECC608 crypto chip. Powered by the advanced ATmega4809 MCU, it supports seamless IoT development with onboard motion sensing via an IMU sensor. Its versatile I/O and power options make it the ideal choice for professionals and makers aiming to build secure, connected, and responsive smart devices.

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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

ArduinoUNO WiFi REV2 [ABX00021] - Enhanced Microcontroller with Built-in WiFi, Secure Connectivity & Advanced Features

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