Hi Tw15t3r
Why not use the LM-317 circuit and get higher voltage batteries like CR123 (3V)
2 of these will yield 6 V.
With a drop of 3V, you still get 3V. And the mAH of CR123 is higher, giving you longer usage.
I was wondering, if I use 3.6 x 2 = 7.2 v, can I still use LM-317 to drive a red LD?
Why not use the LM-317 circuit and get higher voltage batteries like CR123 (3V)
2 of these will yield 6 V.
With a drop of 3V, you still get 3V. And the mAH of CR123 is higher, giving you longer usage.
I was wondering, if I use 3.6 x 2 = 7.2 v, can I still use LM-317 to drive a red LD?