How to build a DIY LED lamp running on solar power?
at school im making a lamp which is done but now i need to make it run on solar power. It needs a solar panel, rechargable battery, and LED bulb but i dont no wat type or voltage etc..do i need resistors and if i do wat type? and also wat type of wiring do i need to use
help would b much appreciated
The easiest way to power a lightbulb with a solar panel is to keep everything at DC voltage. Get a 12V solar panel, a 12V battery, and a 12V lightbulb. I'm trying to put together an inexpensive solution below.
This LED bulb will plug into a regular light socket, just make sure you do NOT plug it into a wall outlet. AC will blow it up. It uses less than 2W at 12VDC. http://www.altestore.com/store/Lighting-Fans/LED-Lamps-Fixtures/DC-12V-or-24V-LED-Bulbs-and-Fixtures/LED-FLOOD-w-QTY-18-WHITE-LEDS-12-VDC/p4488/
This battery will power the lightbulb for about 20 hours. http://www.altestore.com/store/Deep-Cycle-Batteries/Batteries-Sealed-Agm/Universal-Ub1280-12V-8Ah20Hr-Sealed-Agm-Battery/p2003/
This solar panel will charge up the battery. Note that because the panel is a smaller wattage than the lightbulb, you will need to have it in the sun charging the battery longer than the time the lightbulb is running. For example, to create enough electricity to run the light for 2 hours, you may need to have the panel charge the battery for 4 hours. To charge it faster, you'd need a bigger, more expensive panel. http://www.altestore.com/store/Solar-Panels/1-to-50-Watt-Solar-Panels/Kyocera-12W-12V-Mini-Solar-Panel/p718/
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