Points of Interest : Circuit Canvas simplifies the creation of illustrated wiring diagrams. It is designed to be easy to use and fast, allowing users to create diagrams in less than a minute. The ...

What you need: 3 crocodile-clip wires 9V battery LEDs Assorted resistors Asparagus THE candle. It is a simple technology, and a good one. The electronic version is also simple to make, and is a ...