ekingr·4 年前·議論I bought a cheap usb-powered hand-held oscilloscope DIY kit off Aliexpress. It was a fun soldering project and now I have a (very minimalistic) oscilloscope for when I need one (which is very seldom).
ekingr·5 年前·議論The CNES (French national center for space studies) had done similar 'vintage' ones a while agohttps://reves-d-espace.com/affiches-spatiales-pour-decorer-v... (unfortunately not available in the original site anymore)