i have decided to go driver free because on advice of my dad ( eletronic genius) i dont need to spend that much on a driver board with batries(no noisy voltage or spikes) i am on £80 a week wage ( advance aprenticeship) and i live on my lonesome fending for myself so iv got like 20£ to spend now on this project and a large supply of laser diodes at work i have enough for a module and lens assembaly ( advice plz) most people is the axixs 5mw nodiode system but im looking for a very coherant beam minimal divergance ( that is the Mrad right?)
im useing 3 1.2v battries useing a 2.8v autoregulator
could anyone tell me the ampages i will need for 200mw
EDIT: i have found a 2.8v auto regulator then i would use 3 1.2v rechargables