itnewsbot, Op-Amp Challenge: Measuring pH, No Code Required - When you see a project with a digital display these days, you’ll be forgiven for a... - https://hackaday.com/2023/06/08/op-amp-challenge-measuring-ph-no-code-required/ #opampchallenge #3.5-digit #contests #icl7106 #lmv358a #parts #acid #base #ph
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