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- Fri May 02, 2003 9:43 am
- Forum: General Discussion
- Topic: ¿ A very different approach for circuit boards ?
- Replies: 14
- Views: 3898
I remember in the late 70's Radio Shack would sell a "magic" black pen marker. All one had to do was to just draw out the traces by hand on a copper curcuit board, and then do the acid bath to it. <p>It worked quite well, but if you had poor penmenship or not an artist, the boards came out looking l...