Uploaded November 2022 | Updated September 2026, 1 week ago

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How to build your own DIY sleep LED lamp, including the schematic. A homemade blue-free and cyan-free light source that doesn't suppress your melatonin production and won't disturb your circadian rhythm. This can improve your sleep.

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The red LEDs: FYLS-2835PURC-0.2W (or RF-OURI35TS-CH-N)
The yellow LEDs: FYLS-2835PUYC-0.2W
The phosphor yellow LEDs: FYLS-2835UYY-0.5W
The yellow-green LEDs: RF-GSRA30TS-BC (or LTST-T680KGWT)