Quote Originally Posted by mister_e View Post
As long as MAX 25mA drive to the LED give you enough range... there's no 'real' need for the extra transistor.
The IR led I use in the 'gun' module is boosted at 1A (!!!) so I have to use a HEXFET.
Anyway, for the "Supplier module", it is only to send a 14bits message and as I wrote above, to avaoid cheating, I really need to use a wired link instead of IR link. So I have to avoid using IR link.