DIY Emergency Light | COB LED Light | Rechargeable Emergency Light |
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- Опубликовано: 11 июл 2024
- Hi,
I have made this emergency led light in a simple way that anybody can do it at home. I have used 4v cob led and 3.7v 18650 single battery with mini 1S BMS board. Its small but very bright. Хобби