At the time of power failure. Especially during the night. Many people do not like the dark. Emergency lighting systems on the market, it has expensive. We make a emergency lights with a simple electronic circuit. But it is enough to use it to some degree. This circuit makes light bulbs...
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PROBLEM TO BE SOLVED: To provide a power supply device capable of simplifying a configuration, a guide light and an emergency light provided with the power supply device. A power supply device (12) includes an isolated first power conversion circuit (15) and a second power conversion circuit ...
★Step3:Using the bulb connect the 6v DC output port,for Led bulb lighting. ★Step4:Using the 1*5 type mobile phone charger for mobile charging. ★Step5:When the battery is lower,it can choose Solar panel or AC adapter to charging.Com...
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