Thoughts, stories and ideas.
Last time, I've gone through a basic idea of a digital chess board using RFID tech and figured out that with 5+ dollars per reader chip, the cost of the board would be too high. Furthermore, most cheap RFID chips feature serial (SPI or UART) interfaces, which cannot be easily
I was looking at experimenting with RFID tags/readers and what could be an interesting project to attempt. I wasn't particularly interested by normal uses - inventory management is kind of boring. When thinking about what makes RFID great, several things come up: Tags can be passive and don't require
Over the previous weekend, I finally got around to designing the first STM32 board that would allow me to play around with USB, and practice PCB design. I tried to make the design simple whilst testing a few features Single Wire Debug InterfaceBasic USB communicationsUART Communication with LED IndicatorsExternal crystal