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A flexible ring of LED's is related to things like the LED-cube. This ring is meant for use with textiles in clothing. The ring could be used in other ways too, like a bracelet, or not as a ring but as a flexible straight array of LED's.
(Also you can use this array for all kinds of POV experiments, but than with more than the usual 8 LED's!)
The number of skills involved make the whole project (dress with 3 flexible rings of programmable LED's) is quite advanced. In the end, to have your dress with programmable LED rings you have to be able to solder, to program, to sew and to design a dress! These seem to be incompatible skills, but ... when I have succeeded, who cannot?
What do you need:
LED's, about 25, the same voltage LED's! (otherwise they are not evenly bright, but you can use different colors). (You can use more LED's! Same principle)
thin wire (thin to make the array as flexible as possible)
batteries (two 1.4 volt, to get around 3 Volt you need for the micro-controller, and also to use LED's without a resistor)
a micro-controller ( I used ATTINY2313, cheap and sufficient memory, but you can use an ATMEGA168, ATMEGA328P or something)
tools:
pincher or knife to get the wires clean
soldering device
programmer ( I use AVR mkII but you could use an ARDUINO)
(sewing machine, if you want to make the textile, dress or vest)
software:
AVR studio
some program for making patterns with the LED's (interrupt) for example my zip
a piece of wood to drill holes in for holding the LED's while soldering.
By the way, in the picture you see that the (felted) dress is not quite finished!
It will be soon, here is a blog where you can see some of the things I made using the same principles:
http://myfablab.wordpress.com/2011/06/17/the-modern-astronomer-vest/
(Also you can use this array for all kinds of POV experiments, but than with more than the usual 8 LED's!)
The number of skills involved make the whole project (dress with 3 flexible rings of programmable LED's) is quite advanced. In the end, to have your dress with programmable LED rings you have to be able to solder, to program, to sew and to design a dress! These seem to be incompatible skills, but ... when I have succeeded, who cannot?
What do you need:
LED's, about 25, the same voltage LED's! (otherwise they are not evenly bright, but you can use different colors). (You can use more LED's! Same principle)
thin wire (thin to make the array as flexible as possible)
batteries (two 1.4 volt, to get around 3 Volt you need for the micro-controller, and also to use LED's without a resistor)
a micro-controller ( I used ATTINY2313, cheap and sufficient memory, but you can use an ATMEGA168, ATMEGA328P or something)
tools:
pincher or knife to get the wires clean
soldering device
programmer ( I use AVR mkII but you could use an ARDUINO)
(sewing machine, if you want to make the textile, dress or vest)
software:
AVR studio
some program for making patterns with the LED's (interrupt) for example my zip
a piece of wood to drill holes in for holding the LED's while soldering.
By the way, in the picture you see that the (felted) dress is not quite finished!
It will be soon, here is a blog where you can see some of the things I made using the same principles:
http://myfablab.wordpress.com/2011/06/17/the-modern-astronomer-vest/
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Signing UpStep 1Making the mold for the LED's
Making the mold is just drilling the holes in the array.
Preparation:
Search a piece of wood, MDF, at the right length
Test if all the LED's, if they have the same, or the right color....:-( I didn't!) and are of the same voltage.
Look if you have 5 mm LED's or 3 mm, for the diameter of the right drill.
Measure the length of the ring, or use some math doing it with the diameter (my ring isn't exactly a circle so I measured.
Divide the length by the number of LED's (in my case 5 groups of 5 LED's
Drill the holes, put in the LED's, looking at the long and the short leg of the LED's (short at one side).
and finished!
Preparation:
Search a piece of wood, MDF, at the right length
Test if all the LED's, if they have the same, or the right color....:-( I didn't!) and are of the same voltage.
Look if you have 5 mm LED's or 3 mm, for the diameter of the right drill.
Measure the length of the ring, or use some math doing it with the diameter (my ring isn't exactly a circle so I measured.
Divide the length by the number of LED's (in my case 5 groups of 5 LED's
Drill the holes, put in the LED's, looking at the long and the short leg of the LED's (short at one side).
and finished!
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Aug 3, 2011. 7:13 PM_Scratch_
says:
Cool 'ible, great job!
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