PARTS
To build this health monitor a lot of parts were required to achieve a good fully functioning product. Most of the parts were affordable which made the overall cost pretty low compared to monitors used in hospitals. This means it is perfect for use in developing countries. I ordered all of these parts on Amazon and made sure that they are compatible with an Arduino board which I also ordered online. I also picked up a soldering iron and solder metal from a local Microcenter which was an important tool. Since the reason why my monitor stopped working at times was because of a bad sensor, I would recommend buying more than one in case is stops again, or find one that is a little more expensive.
1) Arduino board
2) Sparkfun Pulserate and SPO2 sensor
3) Adafruit Body Temperature sensor
4) connecting wires
5) soldering iron (solder wire/metal)
6) bread board
7) usb cable
8) computer (I used a Mac)
9) IDE's, Libraries and Codes
How I Tried Fixing the Pulse Rate and SPO2 sensor
Since I did face many problems using the pulse rate and spo2 sensors from sparkfun, at one point I had to contact the manufacturers and tech support because I could not figure out how to fix the sensor myself. The Tech support lady gave us many steps and new things to try out to try to fix the sensor to work again. She gave us lots of recommendations to try out. We tried things like checking the voltage to see if it was high enough, soldering multiple times, and even unsoldering and connecting different wires to different voltages. There was a lot of troubleshooting going on through emails and calls and I have put just some of the screenshots of the emails down below for you to see. At one point we even just gave up, but one of the very last suggestions that we got finally fixed monitor and we got it to barely function, but it did the right things.
