[robin cardinaels]

Hi Steve,

It’s a graduating project for me and a friend, we are Master students at the University of Hasselt (Belgium).

We have to measure the fill level of a tank every 5 minutes and send it to a web server to collect the data in a database and show it on a website or app. The tanks are most frequently used on festivals such as Pukkelpop, Tomorrowland and Werchter. At the festivals the toilets are connected to a couple of those tanks. the data is used to predict at what time te tank will be full, so the company can empty them. In special cases (for example: when the tank is 90% filled and the level is still rising) the module have to send an SMS as well.

We already got a dragonfly and an ultrasonic sensor with analog output to do the measurement

I hope this helps you if u have any more questions feel free to ask.
(sorry if the Englisch isn’t 100% correct. It’s not my native language)

Best Regards

[Author]

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