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Mdaughtrey writes in with a request for help modding an ink printer to print out circuits… –
So I’ve been tinkering with this, just using the chemicals and Q-tips to put it on paper. The conductivity is horrendously low so far (~300K ohms/cm) but I haven’t adjusted the pH of the solutions. My question is how do I do that? Ascorbic acid is, um…acidic, and I need to adjust to pH 7.2 and the silver nitrate to 6.5. Any ideas, anyone?
MAKE: Blog: Modified ink printer churns out electronic circuits – Link.