Add Yahoo as a preferred source to see more of our stories on Google. Those ingredients? Expo markers and some clear tape. It might sound like an elementary school art project — but apparently, it ...

This Homemade Robot with Camera projects illustrate the capability of some basic materials to build a robotic physical structure. The system is driven by Arduino boards with NRF24L01 wireless modules.

Low resolution, slow and almost totally useless: this homemade cellphone-based surveillance camera is one of the best inventions ever. I don’t know if it’s the Gilliamesque looks, the 80s phreaking ...