Tell us about yourself!
Thanks for the clarification.
Maybe I'm missing it, but I don't see how the sensor is mounted in the mailbox nor do I understand the relationship of the sensor to a letter or lack of a letter. Can it be fooled depending on how a piece of mail falls into the box?
Shirley, you have an created an Instructable that is worthy of much more praise than I can give it. Your workmanship, photography, video quality, writing, and attention to detail are par excellence. Your dad would be so proud of you. Beautiful job.
It was my pleasure. Good luck!
Pocket Laser Engraver.
Easily one of the most professional-looking Instructables I've seen. Congratulations! It's a great project and the video is awesome.
Pocket Sized Camp Stove (The Improved