Yes it does when connected straight to the 9V, and quite brightly as well at the full 815 lumens (measured). However, with a 2K resistor from my pin 11 on the Transistor base, I get at best 0.5 lumens in a dark room, and 5 lumens with a 200 resistor
Yes it does when connected straight to the 9V, and quite brightly as well at the full 815 lumens (measured). However, with a 2K resistor from my pin 11 on the Transistor base, I get at best 0.5 lumens in a dark room, and 5 lumens with a 200 resistor