LED testers are not exactly "new" but they are getting better and efficient every year: https://youtu.be/farqVVB6IEE
Our LED color and position tester is super easy to use even to a new worker and includes only 4 commends. So, how do we narrow it to 4 commends and still kept it efficient?
Check out our blog post: https://izakscientific.com/led-color-tester/