An Arduino simulator is a online tool that lets you design and test Arduino projects virtually, without needing physical components.

Let's explore most popular online Arduino simulators

1. Tinkercad Circuits

Tinkercad Circuits is a free online platform that includes a virtual Arduino simulator along with circuit design and simulation tools.

2. Fritzing

Fritzing is an open-source software tool that allows users to design electronic circuits, create PCB layouts, and simulate Arduino projects.

Proteus is a professional-grade simulation software suite that includes a virtual Arduino simulator along with support for designing and simulating complex electronic circuits.

3. Proteus

SimulIDE is an open-source simulator for digital and analog electronic circuits, including Arduino-based projects.

4. SimulIDE

5. Virtual Breadboard (VBB)

VBB is a simulation and development environment for embedded systems. It offers a virtual breadboard interface for designing circuits and testing Arduino sketches.

6. EasyEDA

It is a web-based platform for designing and simulating electronic circuits. It features a schematic editor, PCB layout editor, and integrated simulation tools.

7. Autodesk Eagle

Autodesk Eagle is a professional PCB design software that includes a built-in Arduino simulator for testing and debugging Arduino-based circuits.

8. Arduino Simulator for PC

It is a standalone software tool that simulates Arduino projects on Windows computers. It provides a virtual Arduino environment for testing and debugging sketches.

9. CircuitVerse

CircuitVerse is an online platform that provides a virtual electronics design and simulation environment, including support for Arduino simulation.

These are just a few examples of Arduino simulators available to users. Depending on your specific needs, you may find one of these simulators more suitable for your projects.