To help monitor swimming pools more effectively Hackster.io member Sega Lion has created a Raspberry Pi swimming pool monitor and automation system, providing an easy to build, cost-effective solution for automating functions to maintain your pool. “The automation for a swimming-pool is something reserved to top-of-the-range systems. Here you can find a cost-effective, simple but powerful automation-system that you can build by yourself with a little time and effort.”
The system uses a Raspberry Pi 3 mini PC together with a selection of other components including a bypass PVC tube with the sensors, a peristaltic pump to inject liquids and regulate chemical parameters and code to make sure the system runs smoothly. “The main objective is to build a super-modular system that allows controlling the peripherals as simple (and cheap) as possible, transferring all intelligence to a raspberry pi controling all what happens in the pool.”
The tutorial is classed as an advanced project and can be built over two days. “The main objective is to build a super-modular system that allows controlling the peripherals as simple (and cheap) as possible, transferring all intelligence to a raspberry pi controling all what happens in the pool. We often see lots of equipment that is responsible for two or more tasks, more or less autonomously (saline chlorinators that control pH, intellegent pumps that control filtering and other equipment, smart peristaltic pumps with time control or probe connection, etc.). This equipment only partial resolve main automation tasks and dont allow any type of expansion or improvement. This project propose that the peripheral be as stupid (and cheap) as possible, dedicating himself ONLY to his main task. A pump: only filter when told, a saline chlorinator: create chlorine when told, a peristaltic pump, inject when told,…
There are also very modular (and usually quite expensive) professional systems that share this same perspective, but they often have the problem of forcing all components of the same brand to be purchased. If you have already made a strong investment in equipment of this type, this project is probably not for you.”
Source: Hackster.io
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