What do you get when you take 8,192 CH570 MCUs, put them on custom PCBs, and write firmware for this interconnected gaggle of cores? In the case of [bitluni]’s project, you get something that’s ...
In January 1994, the MTA officially debuted MetroCards as part of its effort to phase out subway tokens. Now, the transit agency is working toward having a completely contactless fare payment system.