Solar Panel as Constant Current Source

Test of 1 W and 3 W LED diodes with solar panel. This solar panel is able to deliver 300 mA max, so it is safe to use it with this power LEDs.

Solar Panel 6 V, 3 W, 330 mA

http://www.banggood.com/6V-2W-Solar-Panel-Module-For-Light-Battery-Cell-Phone-Charger-DIY-p-994921.html?p=0O04071315529201503M

1 W LED

http://www.banggood.com/1W-High-Power-LED-Lamp-Beads-Bulb-Chip-90-100Lm-WhiteWarm-White-p-966038.html?p=0O04071315529201503M

3 W LED

http://www.banggood.com/10pcs-3W-LED-Lamp-Bulb-Chips-200-230Lm-WhiteWarm-White-Beads-p-960389.html?p=0O04071315529201503M

Breadboard

http://www.banggood.com/Wholesale-Test-Develop-DIY-830-Point-Solderless-PCB-Bread-Board-For-MB-102-MB102-p-51331.html?p=0O04071315529201503M