Hello, I'm pretty new to electronics (and my knowledge is limited to a one semester class in electromagnetism). I have 3 IR LED's with a forward voltage(?) of 1.2V, forward current(?) of 100mA and a radiant power output of 16mW min(?). I also have a battery pack with one 9V battery and would like to connect the LED's in parallel. How do I determine the amount of resistance I need?
Thanks
Thanks