Solar 3w led fibre optic outside tree decoration Answered
So I have salvaged a solar panel and the battery that it charged from a wireless alarm. The battery is 6v 1.2amps. My plan is to have the panel charge the cell during the day (its Ni-Mh) and using an LDR light a 3w led when its dark. The led will be connected to a number of strands of 1.5mm fibre optic cord, with a number of these attached to a tree to make it look.....nice. I have tested three strands of fibre optic cord with lengths of 2m with a lesser led and all appeared fine.
I have a 3.7v 700ma driver (coming from China) which will drive one 3w led, along with heat sink.
Now is where I am struggling a little, I am not massively experienced in electronics. I think I want a diode attached to the solar panel to avoid battery drain. Then a resistor to reduce my 6v to 3.7-4v and the LDR.
Does this look like it would work in principle? Would the battery run 2 of these drivers/leds or would it discharge too rapidly?
Thanks for any input!