Electronic components used in LED flashlights and other electronic devices

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GDRFFD
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Electronic components used in LED flashlights and other electronic devices

QX2304 is the common electronic component of LED flashlight and other electronic devices. Specific application areas:
Electronic equipment with 1~2 dry batteries, electronic dictionaries, digital cameras, LED flashlights, LED lights, blood pressure monitors, MP3, remote control toys, wireless headphones, wireless mouse and keyboard, medical equipment, anti-lost devices, car alarms, chargers, Hand-held electronic devices such as VCR and PDA. Guys, do you have anything to add?

How to use waste electronic components to make only LED flashlights?

Quadrupel
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…not for lithium input max 3.6v

GDRFFD
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This is the QX2304 I found on the Jotrin website. The product description in it is very detailed. I plan to use it to make an LED flashlight. I will come back next week.

How to use waste electronic components to make only LED flashlights?

Quadrupel
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Manufacturer website