In India, one of world’s largest, most populated countries, over 74 million rural households live without power. Children study in harmful smoke,average people spends 5% of their income on lighting fuel,people burns wood for lighting.
A single kerosene wick burns an estimated 80 liters of fuel, producing more than 250 kilograms of carbon dioxide per year. Multiply that across the developing world and kerosene lamps emit 270,000 tons of black carbon annually – equivalent to 240 million metric tons of CO2.
To help people living in villages, I made this solar light bulb for providing a low cost solution by replacing their harmful kerosene lamps.This will empower the world’s poor to replace kerosene with clean solar-powered light.I got inspiration from NOKERO.
I always prefer to make something from used things to recycle it. I made this solar light bulb by using used stuffs and few electronics components.
1. One day charging can give light up to 20-22 lumens (about three times the brightness of a kerosene lamp) for the entire night.
2. A 2000mah AA battery can be charged fully in two days bright sun light. You can use the hanger as well as the multi purpose stand for charging.Just hang it on a wire out side or place it at your window.
3. Uses high quality AA NiMh battery which can work at least for 5 years.
4. Uses a high quality solar panel to charge the battery.
5. Automatically switches off in bright light to save charge and switch on in dark.
6. Battery over discharge protection circuit.
1.Improves literacy : Solar light bulb improves literacy, because people can read after dark more easily than they can by candle or kerosene lamp.
2.Saves Energy : As the light is bulb is charged through solar energy (free energy) it saves energy.
3.Reduces air pollution : Use of solar light bulb decreases the amount of local air pollution. With a decrease in the amount of kerosene used for lighting, there is a corresponding reduction in the amount of pollution produced.
4.Reduces greenhouse gases : Solar light bulb gives light with no carbon dioxide (CO2) emissions.
1. Night Lamp
3.Portable Emergency Light
4.Camping and Hiking Lamp
5. Garden/Lawn Light
Full Project is on Instructables
You can buy the PCB from PCBWay