Make a blue LED dawn simulator for Soleil Sun alarm

Technology
Make a blue LED dawn simulator for Soleil Sun alarm

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Ewilhelm writes – “This add-on to a Soleil Sun alarm lets the clock control the brightness of a bank of LEDs. A microcontroller adjusts the power of the LEDs so they appear to dim at the same rate as any incandescent lights you may have attached to the alarm.”Link.

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