We must design free hardware. But the question remains: how? First, we must understand why we can’t make hardware free the same way we make software free. Hardware and software are fundamentally ...

Since March 1999, RED Free Circuit Designs offers a vast amount of original circuits for free, with a particular fondness for High Quality audio designs. A new circuit is usually added each month: in ...

To what extent do the ideas of free software extend to hardware? Is it a moral obligation to make our hardware designs free, just as it is to make our software free? Does maintaining our freedom ...

We were recently tipped off to quite a resource — on the Texas Instruments website, there’s a page where you can view and download a compendium of analog sub-circuits. Individual circuits can be ...