@yvette Thanks for sharing this List! The Weather Station Using Visuino project sounds like a great WAy to dive into IoT and sensor integration. I’ve never used Visuino before....was it easy to get started with? I might give this one a shot since I have some sensors lying around.

Here's the List of the best Arduino simulators: Let's look at some offline simulators first. Best offline Arduino simulators: Proteus SimulIDE UNOArdusim Arduino IO Simulator Pauls Arduino Simulator Online simulators: Tinkercad PICSIMLAB WOKWI Microsoft Maker Code Virtualbreadboard You can read about each one of these in this article.

Here is the List of UNO R4 WiFi projects I found during my research: 1. Weather Station Using Arduino UNO R4 WiFi & VisuinoBuild a weather station to monitor temperature, humidity, and pressure using sensors. The data is displayed and updated in real time using Visuino software.Project Link: Weather Station Project 2. Arduino UNO R4 WiFi ExperimentsExplore multiple small projects to familiarize yourself with the UNO R4 WiFi, including controlling the onboard LED matrix and creating simple WiFi apps.Project Link: UNO R4 WiFi Experiments 3. Home Automation with Web ServerSet up a home automation system using a local web server hosted on the Arduino UNO R4 WiFi. Control home appliances remotely without relying on third-party IoT platforms.Project Link: Home Automation System 4. LED Matrix AnimationsLearn how to program the built-in 12x8 LED matrix on the UNO R4 WiFi to display custom animations and graphics. A great project for beginners to practice coding and LED control.Project Link: LED Matrix Programming 5. Smartphone-like Device with AppsTransform the Arduino UNO R4 WiFi into a smartphone-like device with multiple apps, a keyboard, and cloud sync. An innovative project showcasing the board's capabilities.Project Link: Smartphone-like Device Project 6. SparkFun Qwiic Kit IntegrationConnect various sensors and components using the SparkFun Qwiic Kit with the Arduino UNO R4 WiFi. This guide is ideal for experimenting with multiple peripherals.Project Link: SparkFun Qwiic Kit Guide P.S.: I tried some of these not all.

Here are some of the best circuit simulation software(online and free): Tinkercad Falstad Simulator.io Circuit.io Circuit-Cloud PartSim Docircuits EasyEDA CircuitLab CircuitSim Everycircuit You can try these on your browser without downloading anything. I personally like TinkerCad for Arduino and Falstad for analog/digital circuit simulation. If you are looking for circuit simulation software to download(paid and free), here is the List: NI MultiSim Autodesk Eagle LTspice PSIM EasyEDA KiCAD CEDAR Logic Simulator Tina TI idealCircuit Proteus Proteus by Labcenter is the best of the best. You can do anything using it. I once simulated an 8-bit computer using register ICs etc.

Well, I don't know any paid courses related to this but there's an excellent tutorial series on YouTube. Here's the link