Nowadays there are thousands of useful ICs available to electronics hobbyists and professionals. A lot of them only come in SMD packages, which are not very convenient for hobbyists, but don't worry: many well-known (and less well-known) vendors who focus on the hobby sector offer a broad spectrum of breakout boards. Most of these ICs have an I~2C or SPI interface, and it would be handy if you could quickly connect them to a Linux or Windows PC to check out their functions before you start using them in an actual design. That's easy with the AxiCat multi-protocol USB adapter, and you don't have to write any code to use it.
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