Archive: Arduino project

Budget 250$ per month
Posted: 5 years ago
Closed
Description
Hi

I'm looking to make a flow meter to measure water flow speed in rivers for school students science projects for GCSE river studies programs.

I found quite a few people have built Arduino flow speed meters online, however they use the sensors to measure water volume per minute that passes through a pipe, I would like to use a similar sensor to measure flow speed in a river. It looks like that by making small changes to the software it could be easy enough to calculate water speed instead of volume.

I have linked to some relevant flowmeter Arduino projects below:
http://engineerexperiences.com/arduino-based-digital-water-flow-meter-diy.html

https://www.instructables.com/id/How-to-Use-Water-Flow-Sensor-Arduino-Tutorial/

https://www.bc-robotics.com/tutorials/using-a-flow-sensor-with-arduino/


The sensor I think would be best based on my limited research is:
https://item.taobao.com/item.htm?spm=a1z09.2.0.0.6e792e8dwvxeb2&id=15406069557&_u=h33vsqlfbbe1
The 60mm diameter version as this would all a greater water volume to pass through the sensor. Attached is the sensor specification.
The plan would be to mount the sensor on a poll to allow it to take readings in different water depths.
A long cable would link between the sensor and the arduino that would be mounted in a 3D printed housing with a small display and battery. Allowing easy field operation the same as a normal flow meter.

The sketch should have a simple configuration file where we can make adjustments, allowing us to tune the output to get it as close as possible in accuracy to a professional flow meter.

We will do all the hardware setup and will design and print the housing for the unit. I'm looking for someone to create the arduino sketch. The sketch should output the speed of the river in kilometres per hour and display it on an LCD display (likely the best approach would be to average the speed over 10 seconds and show that updated on the display every 10 seconds).

We would just need the source code for the completed sketch to upload to our own hardware and everything else will be completed on our side.

The whole design including the hardware and software will be put online under a GPL license after its complete (we would be happy to include links back to you on its project page).

Thanks for reading and send me a quotation if the project is suitable.

Best

Eben
Working conditions:
Fixed Price
Under $250
Skills:
arduino,software development
Category

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