/challenges-projects/design-challenges/vertical-farming/b/blog/posts/automated-green-house-blog-13-3---ph-control-ph-probe-lcd-readout-guiDFRobot were nice enough to send me one of their pH pro MCU probes [Longer lasting] but this tutorial and code will work for any analog pH MCU meter [ebay special etc] these are coming down in price rapidly but I recommend calibrating often. I&#39;m ...en-USTelligent Community 12https://community.element14.com/challenges-projects/design-challenges/vertical-farming/b/blog/posts/automated-green-house-blog-13-3---ph-control-ph-probe-lcd-readout-guiWed, 25 Nov 2015 20:01:34 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:0bfe1b9c-f167-4934-a5b4-d71172c7d0bdDAB1<p>Great post.</p><p>&nbsp;</p><p>I am getting curious about the materials in your PH sensor.</p><p>&nbsp;</p><p>If I can find some time I might investigate the chemistry and physics happening to degrade the sensor.</p><p>&nbsp;</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=807&AppID=120&AppType=Weblog&ContentType=0" width="1" height="1">