Displays have 140° viewing angles, can be mounted in any horizontal position (wall, ceiling, cabinet), and can be wired for 100-240 VAC or 24 VDC power. All message displays are fitted with one RS-232 ...

If you’re building anything from an industrial machine in your garage, or simply want really awesome Halloween (or Christmas) decorations, the OpenPLC can take care of driving all the solenoids ...

But I can see how a central controller might not only help out, but also move you along the path of increased automation. I'm thinking of a flat panel display hung on a wall that you can poke at ...