i used PLA plastic for all the parts on a Anet a8 printer. i mentioned that i bought the printer by myself because many youtubers got this model for review / for free, which "could" have influenced their conclusion. But the printer is very good, if you look for something like this, get it. ... https://www.youtube.com/watch?v=ZyDe6ZdQ8Go
works up to 0.2mm total costs below 100€
GRBL on arduino uno
laser: 150mW 405nm laser
can cut white paper, engrave wood and cut dark plastic sheets (trash bags)
...
https://www.youtube.com/watch?v=BjVErMQQevc
Voice : german, if you want a english version, write it on paper and eat it. then believe .
200W LED flashlight made of:
2x 100W LED modules
big heat sink that can cool down more than 200W (160W comes from led's)
3x 150W stepup converters from 24V to 34V (3 because its china models, they have 80W each. so i need 3 of them)
2x 7AH 12V lead acid batteries in series
weight: around 10kilograms
lumens: around 17000-18000
Field of view: 90°
distance (visible light from source )around 200-300m
cost: ~100€
2x 20€ batteries
3x 7€ stepups
2x 6€ LED's
3x bottles coke 1€
heatsink and case from scrapyard, otherwise + 30€
2x lens + reflector 17€
switch and cables ~5€
3x hotdogs 1€
1x brain (from scrapyard)
time needed: 2 days, if youre slow like me.
...
https://www.youtube.com/watch?v=X8BXVcTMcxE
You can get this little speaker here
http://www.sunsky-online.com/view/377790/YM-326%20Sounlink%20Mini%20Bluetooth%20V3.0%20HIFI%20Stereo%20Speaker%20with%20Handsfree%20Function%20Gold%20.htm
pics:
http://fs1.directupload.net/images/150111/ouypjb95.jpg
http://fs2.directupload.net/images/150111/ruslwoyt.jpg
http://fs2.directupload.net/images/150111/r3ryalm6.jpg
its worth the money.
I openen the device to remove the led vu meter and replaced the 1600mah with a 2600mah 18650 battery
Just that annoying voice output sucks, you cant disable it and you cant repogram that microcontroller. because you cant find anything related to them on the web.
im using a behringer ecm8000 microphone and audacity
camera is a casio exlilim ex-zr200
notebook: medion x6811 / Msi gt60
phone (sucks, dont ever buy this) HTC sensation XL
Music used in this video:
Ace ventura - Frequencies volume III
TRANE (not trance) DJ - discover
Long after youre gone (youtube search for hq music test)
bass test (youtube search bass test, 3rd or 4th result)
...
https://www.youtube.com/watch?v=z0FymQbchGk