Have you ever been at the bookstore and stumbled across a great book you’ve been looking for, but had a nagging feeling that you already had it sitting at home? Yeah, us too. If only we’d ha... Read more
In the heat of the moment, gamers live and die by the speed and user-friendliness of their input mechanisms. If you’re team PC, you have two controllers to worry about. Lots of times, player... Read more
Step 1: Introduction Description: This keypad consists of 4 rows x 4 columns of buttons. It is ultra-thin that it provides an useful human interface component for microcontroller projects. C... Read more
My old keypad GDO gave up the ghost a while back so I decided I’d undertake a new Arduino based project. I ordered a Velleman 12 key keypad from some supplier. I don’t remember... Read more
Hi guys, I bring a new instructable for arduino, the control access with password, 4×4 keypad and a servo. We will use the Password and Keypad librarie for arduino, besides using the se... Read more
Have you ever wanted an ultrasonic tape measure, like this Stanley? (See picture). Well, I have but then I am a Lazy Old Geek. I don’t really need one but I thought I’d try to make one. And... Read more