Ever need to have a “clear all” check box, and have any of the other check boxes clear the clear all? Well, we needed that, and came up with a solution for your coding pleasure. It’s in PHP, but can be done in HTML as well. It uses a bit of javascript in either to make the magic happen.
Code: https://pastebin.com/kP701jQ4
Become the Maker you were born to be. Try Arduino Academy for FREE!