Show HN: A secure, open source U2F token you can make with $4.5 worth of parts
My barrier to entry with a lot of DIY hardware projects was an incorrect assumption that it was difficult/expensive to get PCBs made. Looking into this, I found the blog of the guy running this project and he had some experience with various cheap PCB vendors, with stencils going as low as $18. [1][1]: https://conorpp.com/2016/03/13/my-experience-with-dirtypcbsc...