The amount of certifications to go through for a physical products is insane - here's a brief overview of just one of the standards - https://youtu.be/fL-Yz9b1eMk - frankly it's amazing (both good and bad) that to sell software you can put out almost anything and declare no liability. With CE for example you are required to accept liability. We're in the Wild West phase with software industry that sometimes reminds me of the John Brinkley radio station.