measure heartbeat and temp..

hello..

i want to ask...i was doing for heart beat real time and i am using photo transistor with 2 red led...so my question is if i was not measure temperature is it oky?or i need to measure temperature also to get the value of heart beat? what is the formula that can i write in my coding..

tq..plss help me.. :)

You have magic photo transistors?

if i was not measure temperature is it oky

Most forum members will probably not be concerned.