Temporary tide display for Waquoit Sea Coast Shores Eel River West tide gauge
Sump water level monitor. Uses two BMP280 pressure sensors. One inside a closed tube, one outside. Calculates water level by pressure difference.
Case study raspberry pi2 / SR-04 / **** FLOODED **** Unfortunatelly the whole pumping/drainage station is flooded under 4 meters of water on Mar 30 2015 until July... I restored it on Aug 31. If you want the fritzing sketches, please sontact me ******
Some info about the Isar river in Munich like water level, water flow and water temperature, taken from http://hnd.bayern.de and updated quarter-hourly
Ultrasonic sensor for measuring level of water in my cistern, not that acurrate, sometimes may drift due to humidity, temperature or just cheap sensor!
Monitor water level in the river and drains for agriculture use.