Monitoring and alert system

Projects General Guidance
1

I am attempting to design a monitoring system for a remote pump based on the Arduino Uno. The system needs to monitor the pressure and tank level to decide whether or not the pump should be running. The tank level is already in place on site, so all that would need is probably a relay or something to send a go/no-go to the Arduino. I was planning on running the pressure sensor into one of the analog inputs. The main power to the pump motor would be controlled by a relay driven by one of the digital outputs of the Arduino. Essentially, if pressure and tank level are good, the power is engaged. If not, the power is disengaged. I believe the Arduino is capable of this.

Where I become unsure if the Arduino is the proper choice is the alert system. If the tank level says the pump should run, but the pump is not running, the system needs to send a phone call to the technician that is in charge of the station. The previous system would do this, playing a pre-recorded message stating that the pump was not running repeatedly until the technician hung up (unfortunately that system is no longer available, thus why I'm here). I was planning on using Adafruit's 3G shield for the phone system...but then I got to wondering where I'm going to store the recording.

So my question, at long last, is whether or not my idea works? Is it possible to store a small sound clip somewhere on the Arduino? Or will I have to completely start over with a different board (e.g. Raspberry Pi)?

2

http://www.4dsystems.com.au/product/SOMO_II/

It's an MP3 module.

Weedpharma

3

What about sending a text message ?

You could even send a text message to another Arduino which would flash a bright light and sound a siren.

...R

4

I think the texting thing could be useful, but if this pump goes down at 2 am in the morning, it's probably not going to wake up the technician to go out and look at the pump. Thus why I wanted a phone call. I will probably try to integrate control by text at some point.

I did find a few different sound modules for the Arduino. The biggest question I have from that is if I'm supposed to wire the output of the sound directly to the 3G board, or if it has to pass through the Arduino first. I would think it would go directly to the 3G, but many times I misunderstand how things work (which is why I'm here).