Moonlight night

Lunar night light is a wall lamp in the form of the moon, which turns on automatically when it becomes dark. The automatic switching circuit is built on only two transistors.
The nightlight in the form of the moon is very original, beautiful and unusual. The effect that this lamp produces is simply fascinating.
Moonlight night

Moonlight night

Materials for night light


For a lunar night lantern you will need:
Moonlight night

Night light scheme on transistors


In this circuit, I used two transistors to turn on and off the LED strip. The first transistor reacts to changes in light and triggers a second transistor that responds by turning the LED strip on and off.
This is a cent composite transistor of two, only included so as to provide better amplification of the electrical signal from the photosensor.
Moonlight night

Resistor 1M can adjust the sensitivity and threshold of the backlight.

Manufacturing


First you need to prepare everything in advance. Cut a circle of plywood, cut out the base in the form of the letter "O", print out a picture of the moon on the printer.If everything is ready, proceed.
First of all, we drill two holes in the base: on the one hand, on the top - to fix the lamp on the wall and from below - in order to pass the wire.
Moonlight night

Moonlight night

Moonlight night

Moonlight night

Then, glue the base to a circle of plywood with glue on a type of PVA wood. The surfaces are sick to be clean and smooth, otherwise it may not stick well. The design is not intricate.
Moonlight night

Moonlight night

Moonlight night

Leave for a while until everything is dry. As soon as everything is dry on the oval we measure out the LED strip. We cut off the excess in the place where it is indicated, otherwise not all the LEDs will be on.
Moonlight night

Moonlight night

Solder the wires to the LED strip.
Moonlight night

Glue the drawing of the moon to the circles. Glue neatly, iron. We fold the edges and form a skirt. Let's wait until the glue dries.
Moonlight night

Moonlight night

Moonlight night

Moonlight night

Moonlight night

Drill a hole under the photocell. It is advisable to choose the place where this hole will be combined with the pattern of the moon.
Moonlight night

Moonlight night

Remove the protective layer from the LED strip and glue the strip along the oval. Wires skip the hole below.
Moonlight night

Moonlight night

In the same hole we pass the power wires from the source.
Moonlight night

We fasten the nylon tie so as not to fly out.
Moonlight night

We assemble the circuit on the breadboard.
Moonlight night

How to connect transistors.
Moonlight night

Moonlight night

Solder the wires to the photodiode, isolate the shrink tube.
Moonlight night

Solder the power wires to the board.
Moonlight night

The board with the scheme and attached to the clothes Velcro, so that at any time you can remove it.
Moonlight night

Insert the photo sensor in the hole and fill the hot terminals.
Moonlight night

Moonlight night

Our lunar night light is ready. We hang on the wall and check.
Moonlight night

Moonlight night

It turned out very beautiful and creative. The power supply is pulsed, in idle mode, when the lamp is not turned off, it practically does not consume energy, so you can not worry about it.

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