• modified anti-freeze filtration behaviour. It now starts filtration when outside air temperature goes below -2.0deg and stops it when it rises back above +2.0deg
• added support for a water pressure sensor. A water pressure which increases above a certain threshold can be an indication that the sand filter requires cleaning. When filtration is running but water pressure is below a certain threshold (ie. something is wrong), filtration is automatically stopped as a safety precaution
• Added better support for the Arduino Mega2560 platform. Should now compile without any code modification
• Added the "Pump" class to improve quality of code and easier integration of additional pumps in the future if required (eg. pH+ pump)
• Added integration example into cloud-based BLYNK smart phone application via NodeRed
• /!\ API change. The measured data and the IO and IO2 bitmaps which are published to the MQTT broker have been modified in order to accomodate the water pressure readings