Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

These were not the sleek, high-tech machines of a superpower’s air force, but rather a swarm of low-cost, improvised quadcopters, each guided by a nearly 20-year-old piece of open-source software ...