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The lamp (flashlight)
Bashny.Net
Hello everyone!
That's decided to share one AS.
Very much I love to read, and that's bought himself an e-reader electronic ink (e-ink), positive sea and practicality, I advise everyone. In this book, there are a number of drawbacks, one of which - it has no backlight, and accordingly read it in the dark, hard, and do not always have a lamp at hand.
I decided to buy a special lamp for such purposes, but not finding anything suitable, decided to do it himself.
So I took what criteria to select the lamp:
- Bright light, preferably with a large angle of dispersion, in order to avoid a "point" light
- Flexible leg in order to adjust the light source is more convenient
- Long service life on a single charge
So let's get started.
1) I saw on sale here is a case for batteries, AAA batteries 3
Switch switched on like this, because, firstly, this is better, and secondly looks nice
2) There was a broken old computer USB lamp (terribly useless as it turned out). From her take a flexible corrugated
3) Take the LEDs of the LED strip. They at first small, and secondly, they are bright and have a large angle light scattering. In general I like the diode tape, you can experiment with them, well, they are also the source of SMD LEDs.
Just so as not to burn them, solder resistors. Each diode is a resistor. Resistors can take low-power, with an impedance of approximately 250Om. The lower the resistor value, the brighter the light.
Here is a diagram:
The result is such a "light" (the lamp itself and spare parts). The process of creating a "lamp" is not filmed ... but nothing complicated.
Next, take the case and make a hole in it for corrugation + Increase the hole to insert the switch. We are putting it together. Previously I replaced the wire on longer. To corrugation powers - fill it with thermal glue.
Two
This is fixed directly melting part.
Long thought how to make a "lampshade", it was a lot of experimentation, eventually drank it from a tree (pine, with the remaining NG))).
Also, do corrugation holes and brackets "lamp»
time
Two
Three
Four
Well ukrashatelstvuem (because it is a gift to my favorite)
Two
Mount it all in "Shade".
In order to secure the "lamp" Fasten plug. I took the plastic from something, but transparent, you can use whatever you want.
After fixing to - opened varnish. I was with mother of pearl acrylic "antique»
Question attachment to the book stood for a long time, after numerous experiments I took Velcro. One part is glued to the body, the other in the book. Given that the heavy load will not, then mount doing its job 100%. If anyone has ideas about attachment - I will only be happy.
time
Two
Three
Four
I counted the cost if you make a lamp from scratch.
USB lamp for notebook ~ 200r
Housing ~ 50p
Switch ~ 20p
Diodes ~ 30R
Velcro ~ 32p / m
Total ~ 332r
How much Resistors - I know not ... they still remains unknown to the bag, and for this world, I do not buy them))
Two
Three
Source:
That's decided to share one AS.
Very much I love to read, and that's bought himself an e-reader electronic ink (e-ink), positive sea and practicality, I advise everyone. In this book, there are a number of drawbacks, one of which - it has no backlight, and accordingly read it in the dark, hard, and do not always have a lamp at hand.
I decided to buy a special lamp for such purposes, but not finding anything suitable, decided to do it himself.
So I took what criteria to select the lamp:
- Bright light, preferably with a large angle of dispersion, in order to avoid a "point" light
- Flexible leg in order to adjust the light source is more convenient
- Long service life on a single charge
So let's get started.
1) I saw on sale here is a case for batteries, AAA batteries 3
Switch switched on like this, because, firstly, this is better, and secondly looks nice
2) There was a broken old computer USB lamp (terribly useless as it turned out). From her take a flexible corrugated
3) Take the LEDs of the LED strip. They at first small, and secondly, they are bright and have a large angle light scattering. In general I like the diode tape, you can experiment with them, well, they are also the source of SMD LEDs.
Just so as not to burn them, solder resistors. Each diode is a resistor. Resistors can take low-power, with an impedance of approximately 250Om. The lower the resistor value, the brighter the light.
Here is a diagram:
The result is such a "light" (the lamp itself and spare parts). The process of creating a "lamp" is not filmed ... but nothing complicated.
Next, take the case and make a hole in it for corrugation + Increase the hole to insert the switch. We are putting it together. Previously I replaced the wire on longer. To corrugation powers - fill it with thermal glue.
Two
This is fixed directly melting part.
Long thought how to make a "lampshade", it was a lot of experimentation, eventually drank it from a tree (pine, with the remaining NG))).
Also, do corrugation holes and brackets "lamp»
time
Two
Three
Four
Well ukrashatelstvuem (because it is a gift to my favorite)
Two
Mount it all in "Shade".
In order to secure the "lamp" Fasten plug. I took the plastic from something, but transparent, you can use whatever you want.
After fixing to - opened varnish. I was with mother of pearl acrylic "antique»
Question attachment to the book stood for a long time, after numerous experiments I took Velcro. One part is glued to the body, the other in the book. Given that the heavy load will not, then mount doing its job 100%. If anyone has ideas about attachment - I will only be happy.
time
Two
Three
Four
I counted the cost if you make a lamp from scratch.
USB lamp for notebook ~ 200r
Housing ~ 50p
Switch ~ 20p
Diodes ~ 30R
Velcro ~ 32p / m
Total ~ 332r
How much Resistors - I know not ... they still remains unknown to the bag, and for this world, I do not buy them))
Two
Three
Source:
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