This is a more complex project which requires some basic electronic circuit building (a transistor, diode and resistor).
We take 3 of the standard type of lantern garden lights to bits, and use only the AAA rechargeable batteries and the solar panels.outer ring
is comprised of a flashing LED rope necklace.inner glowing
guts are 4 rings of clear plastic (cut from a deodorant lid) glued to a flashing RGB LEDsolar panels
are 3 x panels connected in series, glued in a they have polystyrene stuck on the underside to make them floatcircuit
is the following (link
), from here http://www.evilmadscientist.com/article.php/solar with 3x panels and 3 x AAA batteriesbattery case
is an old plastic tub, filled with sand to weight it.
Since this is an artistic project, you will probably not want to do it exactly the same as me. So I will talk about the technology and techniques rather than step instructions.Why are we using 3 solar circuits?
I wanted to use some flashing / color changing LEDs, as they look fantastic. These need a steady 3ish volts to run off. Most cheap solar lights are 1.2v (1 panel and 1 AA or AAA battery). There are circuits (joule thief) that can step this voltage up to 3-4V, but they don't provide a steady voltage, it's a series of high pulses. So these can run a steady high-brightness LED fine, but they won't work with a flashing RGB, or flashing rope light - they will glitch out or just not flash.what do I make it out of?
Look for any flashing LED toys, the type they give to kids at firework shows, or for people at electronic music events, and have fun!
make body shapes out of pieces of translucent plastic (most likely plastic lids or plastic bottles), glued to LEDs.