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Flexible filament ambient light

Overview

More details can be found in the article on our official WeChat account: https://mp.weixin.qq.com/s/-n821YezrL8xeolqVVqxlw

This ambient light is based on a PT8022W LED and flexible filament.

It can be turned on and off with a single touch, and the brightness can be adjusted by a long press, allowing for stepless brightening and dimming.

Materials and Costs:

Flexible LED light filament, 110mm diameter;
high borosilicate glass tube, 50x100x5mm, 8.8 yuan;
mainboard PCB, free prototyping by JLCPCB; 0 yuan
lithium battery, 802540 850mA, 12.8 yuan
charging chip GX4057; touch chip PT8022W (domestic alternatives available); capacitors, resistors, and miscellaneous components, totaling 3 yuan;
neodymium magnets, 5x2mm, 2 pieces; top and bottom covers, 0.4 yuan
; 3D printing – who doesn't have a 3D printer? That's not even a factor in the cost.

Design Files

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2026-03-28 09:31:37

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