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The cheapest way is to buy a sonoff for $5
I ran into this error when trying to upload sketch stairsIFTTT2.ino: E:\TEMP\instructables\instructables.ino:3:21: fatal error: TimeLib.h: No such file or directory #include <TimeLib.h> ^compilation terminated.exit status 1Error compiling for board WeMos D1 R2 & mini.
Great tutorial!Can you make a close-up photo of the connections. I connected according the scheme but the LED strip doesn't light up.
LED NeoPixel Motion Sensor Stair Lighting
Where can you buy a observation mirror and is it expensive?