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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 app...
We run a tight ship here at Squid Labs. Partners are expected at their desks, pencils ready, at 7:00 AM sharp. Given the 4-hour each way commutes ty...
Here's what I used and where I got it. Blue LED light box - click for InstructableAtmel ATMEGA8-16PI (buy a few in case you burn one out) - Jameco.co...
The manual of the alarm clock claims the "data port" spits out a 0-5 volt signal that is read by the external 300 W controller. With dreams of reusin...
You might, as I did, think that you could add a transistor to flip the duty cycle of the alarm clock and plug it straight into the external control o...
Again, due to the nature of the LEDs, a linear increase of the PWM signal did not look right. Knowing that the clock only has 44 discrete steps, I sh...
Build the driver circuit.
I choose Atmel Mega8s because they are rapidly becoming the microcontroller of choice around Squid Labs. The Mega8s have some nice features that make...
If you're like me, you'll need to compile and try the code many times before it actually works. Taking the Atmels in and out of the programmer can ge...
The code and makefile are written to work with avr-gcc. Briefly, it calculates the duty cycle from the clock, calculates the desired LED control leve...
Use two male 1/8 plugs and a length of wire to make a cable.
Connect the LED light box to your clock and enjoy gradual blue LED sunrises.
Tag files as:
LED Sunrise Alarm Clock with Customizable Song Alarmby Dandeman321
Arduino Controlled Sunrise Alarm Clockby ewilhelm
A sunrise and sunset lamp with LEDsby andyk75
SAD Box inspired (keep ur soul warm with a light box)by mox386
Sunrise alarm clockby woodworker123
Simple Arduino Sunrise Lampby PKM
The Sunshine Alarmby stasterisk
Sunrise Alarm Clockby DIY Hacks and How Tos
LED Dawn / Sunrise Alarm Clock, Nightlight & Security Light - Arduino Compatibleby Ugifer
Polyphasic Sleepby rachel
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