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.
Ardunio adafruit wave shield
Motion sensor (I have two to try)
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