That is a risky assumption. You will find that many people on this forum alone have experienced that a published (often copied) schematic is not necessarily a trustworthy one. So some people have ended up with electronics that just did not work because the designs were flawed. That is why amongst other after some discussion @Doolang started the Verified Stripboard Layouts! and some people started adding annotations like ‘untested’ or ‘tested’ or ‘working’ etc. to the schematics/designs they upload.
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