The global natural resources are in the process of continuous depletion. We are in urgent need of finding new energy sources. Solar energy is considered to be one of the cleanest energy sources. It can be self-sufficient in power supply and eliminate unnecessary expenses. The same is true for solar chargers, so how to make a solar charger, this article has a detailed DIY tutorial, the steps are clear, and one will learn.
Nature gives us an inexhaustible treasure trove of energy. In recent years, many technology products have become more and more popular, and the prices are very cheap, bringing a lot of convenience to the lives of ordinary people. In many of my previous articles, I have introduced the use of “solar energy†at home. As far as the family “solar power generation system†is concerned, the electricity can be returned to the power grid. The solar gardening lights and road lights are not only easy to install, but also simple and safe. Lighting does not charge electricity, bringing convenience and fun to our dark nights.
The same is true for our home. Since the installation of the “Home Solar Power Systemâ€, the average annual supply of electricity is self-sufficient. Now, even the electricity bill is not paid, and it contributes to environmental protection. I also installed a lot of solar small lights in the garden and aisle. Although the price is only a few dollars, it brings a lot of convenience to the night walk, and also brings out the elegant night view in the garden.
However, this kind of solar small lamp is exposed to the sun and rain. After a few years, it loses its function due to aging or damage to electronic components, and is finally scrapped. The following is a good solar gardening lamp. Its solar power board is relatively large, and it generates more electricity. It can drive many small LED lights. There is also a light-sensing element, which is controlled by an electronic integrated circuit: charging the battery in the machine during the day, and driving the LED small light matrix with the battery when it is dark. I illuminate the rockery fountain and become a beautiful night view of the garden. However, after 3 years, this light control component failed, so that the LED matrix does not emit light at night, but instead lights up during the day. A few dollars are not worth repairing, they are generally lost.
The light-sensitive element fails (white semi-spherical ball) and lights up during the day.
However, after measuring, I found that the solar panels are still intact, that is, they can generate electricity on cloudy days. So I thought: Why not use this solar panel to charge the rechargeable battery? For the sake of environmental protection, our home basically uses AA or AAA rechargeable batteries. I can make a small device that uses the electricity generated by the solar panels during the day to charge the rechargeable battery, using both waste and solar energy.
The solar panels are in good condition: it is cloudy and can generate electricity.
So I found an abandoned charger. The battery clip of this charger is better, and it can charge various types of batteries (the distance can be adjusted). Disassemble the back cover, cut off the internal AC transformer, wires, etc., and then solder the output line of the solar power board to the positive and negative poles of the battery clip. It is easy to make this "solar charger". After testing and measuring, the effect is quite good. Waste utilization contributes to environmental protection.
Abandoned solar panels
Control elements and LED lights
Internally composed of integrated circuit chips
Abandoned solar panels work as usual
This is an abandoned charger
The battery clip of the charger is very good and can be adjusted to different types of batteries.
Cut off the internal transformer
Welding the positive and negative poles of the power generation board is completed
Solar panels placed on a sunny roof
The charger part is placed indoors to prevent rain
This location is very convenient to replace the battery
Rechargeable battery without electricity
After two hours of charging (cloudy days), it has been charged a lot of electricity.
Description:
This example shows that as long as we pay careful attention, there are many DIY production themes around us. A lot of waste can be designed and made into a useful item after our simple modification. Waste utilization supports environmental protection. At the same time, in our hands-on process, we have enriched our lives and brought fun.
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