We ran into a lot of trial and error through prototyping the physical product and the code. With the code, we had a lot of trouble with the mini DF player in having it pause for 30 seconds and then playing the audio. We finally decided to "hack" it by just adding 30 seconds into the audio file itself; we figured that once the seat is put down the entire cycle can reset to the beginning rather that account for someone continuously putting up and down the seat.
During the physical installation, we went with soldering several of our wires to provide stability and extension. While we were able to solder and extend the wires that connected to the magnetic sensors, we were unsuccessful with soldering the wires to the aux input for the speaker.
Though we identified the correct wires, when soldered the DF player would turn off immediately, so we decided to revert back to our original structure by tightly taping the wires against an uncut aux cord. Thankfully, the speaker had a separate outlet for a second aux cord that we could use.
We also initially intended to secure the Arduino and speaker to the breadboard and then stick the entire structure on the wall next to the toilet. However, we found that the uneven surfaces of the arduino and the speaker made it unstable by attachment with double sided adhesives due to their weight and gravity.
We got frustrated so we decided to secure the entire thing by wrapping electrical tape.
Then we finally started installing on the toilet! We had to first disinfect it for our use, and then attached adhesive strips to level the toilet seat against the magnets.
After a successful installation, we got it to work!
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