Virtonics Arduino Simulator is one of the alternatives ... Also Read: Best free Logic Gate simulator software for Windows PC.

[Brad] was looking to take the idea and run with it. His DigiRule is a ruler with a logic gate simulator. What he built is a mash-up between PCB rulers, and the concept of electronic business cards.

The machine uses a ‘grbl’ controller, which has an Arduino-based circuit that includes multiple ... for directly driving a laser module Three pin 12Vdc (multi-amp) + 0V + 5V logic signal for driving ...