Automation Hydroponics

Cheap pH Meter for Raspberry Pi with ADS1115 and PH4502C

Note: Currently working on a video of this how-to. Should be up in a few days. If you search for “raspberry pi ph meter” you’ll quickly learn that there are very few affordable options when it comes to digitally monitoring the pH of your nutrient solution. For a while Atlas Scientific dominated the search results, but I believe their kit was around $200 at the time. The kit has since come down to $164, but…

Continue reading