Project: Flush-A-Vader

17 Dec 2017

Aim:

To build a device that will remind people not to flush anything but toilet paper once they have finished their business.

The UK is being hit with the soft wet wipe style tissues that are advertised as flushable and other products such as cotton buds that are entering the sewage styles and causing blockages and equipment failures. In the fight to raise awareness of these issues I want to build the Flush-A-Vader.

Equipment:

Arduino Uno

Ardunio adafruit wave shield

Speaker

Motion sensor (I have two to try)

Proposed Design:

Proposed Method:

Step 1: Solder the Wave shield together

Step 2: Record message and import onto shield

Step 3: Get speaker wired up and working

Step 5: Work out how to use a motion sensor

Step 6: Link all together and house in a decorated cardboard tissue box

Wish me luck! :-)

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beacon_dave over 7 years ago

Good luck !

If you get stuck there is quite a good tutorial series here on Element14:
Jeremy Blum Arduino Tutorials
which may be of some help to you.

There is also a good cookbook available by Michael Margolis:
https://www.amazon.co.uk/Arduino-Cookbook-Michael-Margolis/dp/1449313876/
which covers all sorts of interfacing scenarios and even includes the Adafruit wave shield you have.

What motion sensors have you chosen ?
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beagles over 7 years ago in reply to beacon_dave

Hi Dave,
Thanks for the book recommendation. I look to purchase that for the new year :-)
Below is the motion sensor I have gone for. Please let me know if you dont think its the best one for me to be using. I bought it from the Pi hut but was hoping it would be compatible with the ardunio.

https://thepiIm hut.com/products/pir-motion-sensor-module https://thepihut.com/products/pir-motion-sensor-module

Thanks
Kaylee
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beagles over 7 years ago in reply to beacon_dave

Hi Dave,
Thanks for the book recommendation. I look to purchase that for the new year :-)
Below is the motion sensor I have gone for. Please let me know if you dont think its the best one for me to be using. I bought it from the Pi hut but was hoping it would be compatible with the ardunio.

https://thepiIm hut.com/products/pir-motion-sensor-module https://thepihut.com/products/pir-motion-sensor-module

Thanks
Kaylee
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beacon_dave over 7 years ago in reply to beagles

Note that there appears to be a newer third edition of that book out which you may want to look out for:
Arduino Cookbook, 3rd Edition - O'Reilly Media
The third edition doesn't appear to be on Safari Books Online as yet so I can't tell what's new in it as far as the wave shield and PIR sensor examples.

The second edition has an example based on the following two PIR sensors:
https://www.sparkfun.com/products/retired/8630
https://www.parallax.com/product/555-28027
however it is pretty simple example and can easily be adapted.

The only real downside to the sensor you have at the moment is the lack of a data sheet on it so you may have to do a little more work to find out the connections etc. As a novice, then perhaps try to purchase parts with data sheets and code examples that can help get you started e.g.:

https://www.adafruit.com/product/189
https://learn.adafruit.com/pir-passive-infrared-proximity-motion-sensor/using-a-pir-w-arduino
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