Welcome to EnviroDIY, a community for do-it-yourself environmental science and monitoring. EnviroDIY is part of WikiWatershed, an initiative of Stroud Water Research Center designed to help people advance knowledge and stewardship of fresh water. I have had several questions lately asking what is the best way to prevent corrosion on the datalogger circuit boards. Even if your boards are deployed in a waterproof enclosure, they will be subjected to high humidity inside the case, usually caused by condensation in the air in the box. Occasionally you might also get a stick, leaf, wire, or something else that crosses the edge of the waterpro...[Read More]