This post will show you how to control your bicycle fan speed with your heart rate monitor. DIY KICKR Headwind Parts List Schematic DIY KICKR Headwind Code https://github.com/agrabbs/hrm_fan_control Thanks to…
Automation
Cheap pH Meter for Raspberry Pi with ADS1115 and PH4502C
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…