Jonathan van Denzen 
ProtoPie is a powerful tool that can be used for making dynamic prototypes for web, mobile or desktop applications. With ProtoPie you can make complex hi-fi wireframes that use variables, conditions, timeline based animations and more… For this article, I will focus on using ProtoPie Studio (to make the prototype), ProtoPie Player and ProtoPie Connect … Read more
Add a capacitive sensor to your Arduino and make your Arduino work as a keyboard. Materials Arduino Uno or Leonardo (use a Leonardo if you want to use it as a keyboard on your laptop) Breadboard Jumpercables 1㏁ resistor Crocodile clip Something conductive (metal/aluminium foil/conductive paint/copper tape/…) Hardware Use the materials and circuit diagram to … Read more
Product Overview Use this sensitive measurement board to determine the quality of water based on its total dissolved solids or TDS. Find out whether your tap water is clean, or keep an eye on your aquarium water, and more! This set includes the measurement board as well as a detachable water-proof measurement probe of 60 … Read more