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DIY Sunrise Alarm Clock icon

DIY Sunrise Alarm Clock

7.1 for Android

The description of DIY Sunrise Alarm Clock

Many people find the beep of an alarm clock to be a very unpleasant way to wake up. One alternative is to use lights to wake you up. For instance, a "sunrise alarm clock" gradually increases the brightness of a light near your bed at the set time. This helps some people to wake up more gently.

So in this project we are going to show you how to build a light alarm circuit from a outlet timer and a hand full of basic electrical components.  

here we share you the steps how to make this sunrise alarm clock

Step 1: Materials
Here are the materials that you will need to make the circuit: AC Light Timer, USB Cable, USB AC Adapter, IRF510 MOSFET, 1 Mohm Resistor, 4 X 100 ohm Resistor
10 kohm Potentiometer (Variable Resistor), 1000 µF Capacitor, 4 X LED, Printed Circuit Board, Jumper Wires
Extension Wire (optional), Momentary Switch (optional).

You will also want to have the following tools at hand:
Soldering Iron and Solder, Wire Strippers, Wire Cutters,
Non-Conductive Tape.

Step 2: The Circuit
This circuit is essentially just a resistor/capacitor timer with a transistor amplifier. The capacitor is initially discharged. When the power is turned on, the capacitor begins to charge through the 1Mohm resistor. As this is happening, the output voltage of the capacitor slowly increases. This voltage signal is sent to the transistor which sets the transistor's output. This causes the LEDs to gradually increase in brightness over several minutes.

Step 3: Assemble the Circuit
Following the circuit diagram in the previous step, ypu can prototype the circuit on a breadboard. When testing the circuit, remember that you need to discharge the capacitor between each trial. The LEDs brighten as the capacitor charges. If it is already fully charged then they will stay at a constant brightness.

Step 4: Mount the Circuit
There are a lot of ways that you could mount the light. The simplest way is to just place it next to your bed on your night stand. This can work but it is less effective if you are facing the other direction. Another option is to mount it over your bed in something like a hanging lantern. If you want the light to be more directional, you can mount it in an adjustable lamp that can be pointed at your pillow. If all else fails you can put the lights directly into a pillow, such as "Bright Light Pillows." Do whatever works best to wake you up.

Step 5: Set Up the Timer
Plug the timer into the wall outlet. Plug the USB AC adapter into the timer. Then plug the USB cable into the adapter. Set the timer to turn on about 15 minutes before you want to wake up. When the timer goes off, it will activate the circuit. The LEDs will then gradually turn on and hopefully wake you up.

Step 6: Finished Sunrise Alarm Clock

for further information and clear tutorial, download this now and grab what you want.
please enjoy this DIY Sunrise Alarm Clock tutorial and give us any feedback.
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