Regarding sonoff L1 led strip integration. For now, there is no elegant solution by @peterbuga, I can offer to use broadlink RM PRO or Mini to control this strip. Here are the codes of broadlink corresponding to remote buttons as on the image.
1 brightness +
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2 brightness -
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3 off
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4 on
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5 R
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6 G
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7 B
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8 W
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9
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10
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12 FLASH
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13
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14
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15
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16 STROBE
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17
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18
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19
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20 FADE
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21
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22
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23
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24 SMOOTH
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