Jan Rydval
Collector of vintage programmable calculators. Builder of random electronics projects. I write about retro and minimalist computing, 3D printing, cryptocurrencies, DIY electronics, meshcore networking, and small coding experiments.
Collector of vintage programmable calculators. Builder of random electronics projects. I write about retro and minimalist computing, 3D printing, cryptocurrencies, DIY electronics, meshcore networking, and small coding experiments.