Sorry for poorly explaining my thoughts anyway,
The lilypad will be somewhere near the chest area of the t-shirt so,the display will be wireless,the oxymeter(the oxygen sensor) wired to the display or wireless on lilypad(i really don't know which sensors for blood oxygen are out there,i'm currently searching for it),heart rate sensor wired to lilypad(which i want it to send the reading to the display),temperature sensor wired and vibe sensor wired on lilypad.
So the distance of the data to be transmitted is from the hand to the chest so basically the distance of my hand which i'm pretty sure is not over 50 to 75 cm
I know that a project needs to be carefully managed at every angle to get top grades but that's why i want to have more quality into it (btw thanks for reading and helping out even a bit)