Hydropi – Pool Monitor
In the articles below I have covered how I set up my Raspberry Pi Pool Monitor with sensors, relay boards, databases and web servers, I really hope you find it useful. If you are interesting in some more details then why not take a look at an overview of the project and what I was trying to achieve, also a parts list.
Raspberry Pi Pool Monitor – Website
This Raspberry Pi pool monitor website makes controlling the associated Hydropi python code much easier. It will allow you to see current and average readings from multiple sensors, set relay timers and change settings. It will also provide you with
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Raspberry Pi Pool Monitor – Python Code
This Raspberry Pi pool monitor code will allow you to manage multiple sensors and relays and send email alerts among other things. This program pulls together several other posts that I have written, if you are curious then I suggest you look
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Hosting a Website on a Raspberry Pi
The Raspberry Pi is all about learning and education, hosting your own website right from your Pi can be a great way to learn more about creating your own webpages and the tools involved. If you haven’t already then the first step is to set
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Raspberry Pi I2C Temperature Sensor
There are several temperature sensors that are available for your Raspberry Pi one of the most popular being the DS18B20, however if you are looking for an I2C connected temperature sensor then the Atlas Scientific RTD Temperature sensor
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Relay Timer Using a MySQL Database
Using the libraries available in python creating timers using a MySQL database to manage relays connected to a Raspberry Pi is fairly straight forward. Creating a facility to override the timers and turn the relays on or off manually is also possible
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Send Email with a Raspberry Pi and Python
Sending email with a Python program can be very useful when you want an alert, to receive a set of results or find out if a set of conditions have been reached among other things. To achieve this we need to create a python script that uses the smtplib…
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Install PhpMyAdmin On A Raspberry Pi
This is a follow up to my previous instruction, configuring a Raspberry Pi web server which covers loading the Apache web server and MySQL database management. phpMyAdmin is a free tool that has been designed to allow for easy…
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Configure A Raspberry Pi Web Server
Configuring a Raspberry Pi Apache server has the advantage of allowing you to host your own webpages. Out of the box Raspian does not have this configured to ensure that the operating system is as small as possible so we will need to add some
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Connecting a Relay Board to a Raspberry Pi
Relays are an electromagnetic switch that allows you to control one electrical circuit by opening and closing contacts in another circuit, on the Raspberry Pi the control circuit will be operated by our GPIO pins. A relay generally has 3 connection…
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Connecting an Electrical Conductivity Sensor to a Raspberry Pi
If you have a saltwater pool and are using a chlorinator to provide most of the chlorine then knowing the amount of dissolved salt in the water is crucial to maintaining your pools health and safety. Electrical Conductivity sensors provide…
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