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Smart Pool: Alexa Controlled Pool Manager. Let’s build a pool monitoring system : poolDuino | Interacting Objects. Swimming Pool Monitor - Arduino Project Hub. Smart Water Sensors to monitor water quality in rivers, lakes and the sea. Smart Water Sensors to monitor water quality in rivers, lakes and the sea February 24th, 2014 - Libelium Libelium launched a Smart Water wireless sensor platform to simplify remote water quality monitoring. Equipped with multiple sensors that measure a dozen of the most relevant water quality parameters, Waspmote Smart Water is the first water quality-sensing platform to feature autonomous nodes that connect to the Cloud for real-time water control.

Waspmote Smart Water is suitable for potable water monitoring, chemical leakage detection in rivers, remote measurement of swimming pools and spas, and levels of seawater pollution. The Waspmote Smart Water platform is an ultra low-power sensor node designed for use in rugged environments and deployment in Smart Cities in hard-to-access locations to detect changes and potential risk to public health in real time. Waspmote Plug & Sense! Applications: Potable water monitoring: Common chemical parameters include pH, nitrates and dissolved oxygen. Projects - Sparky's Widgets. Gravity: Arduino pH Sensor / Meter Kit - DFRobot. Pool Logger - Arduino Project Hub.

Open Water Quality Sensors - Sparky's Widgets. Water Quality Monitoring and Notification System - Arduino Project Hub. Build KnowFlow: automatic water monitor - DFRobot. Cheap pH meter hack for Arduino | overSKILL. I needed a pH sensor for my AquaTank project, opened google, searched a bit and was stung by the prices “Holy ****, thats expensive!!” 109$ Sparkfun 35$ Atlas-scientific 29$ Absolute Cheapest – DFrobot Still not cheap enough for me And then I found this thread : Well I’ll explain shortly – a guy found a 8$ pH pen meter on DX and we want to hack it to get the pH on our arduinos, I succeeded. pH meters in general: A pH probe is zeroed on 7 and generates about 0.06 volts (depends on the probe) for each pH unit. for a value of 8 the voltage will be 0.06 volts and for a value of 6 it will be -0.06.

Hacking the cheap meter: The thread was dead until someone got a meter that had the part number on the main chip (the rest got custom labeled chips) that’s inside the meter. Then I said why not order the pH meter, some shift registers and put in line diodes in order to rectify the current and everything will be dandy I did. but what a MESS !! The result: Arduino ph probe interface - Sparky's Widgets. Project description If you've ever wanted to make a pH meter out of an Arduino or RaspberryPi or to find the pH of a solution, needed to interface a pH probe or wanted to make your own pH sensor. This is an ideal project and tutorial for you. The idea of this project is to interface common inexpensive Marine/Lab/Horticulture pH probes with the Arduino style prototype boards that are very common these days. we will also learn about how to interface common chemical reactions and what Ion Selective Probes are such as the very common pH electrode.

These types of probes have a very high impedance signal that poses a few design issues, thankfully we have modern ICs which take care of most of these concerns. Taking that and a few other considerations into account we can still produce a cost effective and accurate interface that even someone new to electronics can build themselves. Lets Get Started So what is a pH electrode anyway . And the other in a low concentration of . Its Sodium Ions I swear.