Staffans projects

Category: button

  • Minecraft Server Display

    A while ago, I set up a Minecraft server here in our house, so my oldest son could play Minecraft together with his friends. They love doing that, but without turning on the computer, there was no way of knowing if anyone else was on the server. Hence, this project! The idea is that this…

  • DIY buttonshield

    When prototyping new Arduino gadgets, I often find the need to use a push button or two. They are quite easy to hook up to the breadboard, but it’s even easier if the buttons are already hooked up on a buttonshield! Therefore, I made a small four-button “shield” for my prototyping needs. The design is…

  • Encounter with a rotary encoder

    Out of curiosity (which btw is one of my main driving factors in life), I bought a couple of rotary encoders. A rotary encoder is a knob that turns in small steps. It has no minimum or maximum turning angle – you can turn it as many turns you want. They are often used in…

  • Button Bouncing

    Buttons can bounce? Oh, yeah! If you’ve ever tried programming a microcontroller, you most certainly have come across the problem: buttons can bounce. This means that when you push a button, it goes from off to on, but sometimes it goes back to off again before going to on. This can happen several times within…