This tombstone breaks in half and is sure to scare the neighborhood ghosts and goblins. “This project involves a hollow tombstone that has a seamless crack that when the pneumatic cylinder is activated the tombstone will break open reveling a creature inside. What’s good about this project is that all the mechanics are concealed inside and from the outside it looks like just a regular tombstone. This is a
Interesting video about how electronic signs are made. “Digital signage offers superior return on investment compared to traditional printed signs[1]. Digital signs may be scrolling message boards, LCD or plasma display panels, electronic billboards, projection screens, or other emerging display types like Organic LED screens (OLEDs) that can be controlled electronically using a computer or other device, allowing individuals or groups to remotely change and control their content (usually
