I added headers for the other side of pins.
[t]https://dl.dropbox.com/u/62766551/Norseboard/P3290080.jpg[/t]
Digital IO on the top left and analog on the top right, then 5v bottom left and ground bottom right.
Also added the mode LED. Currently it changes colour to that of the coloured key that has last been pressed, but it won't be limited to just that functionality once I implement things like the synth mode.
Fuck. There goes my purposeful weekend.
[img]http://i.imgur.com/VY7HXWE.png[/img]
[QUOTE=MIPS;40079247]gold[/QUOTE]
Where did you dig that up?
[QUOTE=alexaz;40081344]Fuck. There goes my purposeful weekend.
[img]http://i.imgur.com/VY7HXWE.png[/img][/QUOTE]
I just use hacksaw blades cut in half, and with cloth & duct tape wrapped around one end.
Dremel disks are too goddamn expensive compared to how easily they break.
[QUOTE=Van-man;40081676]I just use hacksaw blades cut in half, and with cloth & duct tape wrapped around one end.
Dremel disks are too goddamn expensive compared to how easily they break.[/QUOTE]
Original dremel disks, at least for me, are quite decent. They usually break when i'm trying to remove the entire mandrel with the disc from the collet (tight fit) or when doing some extreme shit like cutting wood with smoke everywhere.
What are the most essential [URL="http://www.taydaelectronics.com/ic-integrated-circuits/74-series.html?dir=asc&order=price"]74 series IC's[/URL]?
[URL="https://www.facebook.com/TaydaElectronics/posts/463211867085798"]Tayda[/URL] has another Discount going on, and I needed a few parts that ended up only costing a few bucks, so I figured I might as well get some more to tinker around with for cheap.
[QUOTE=alexaz;40081344]Fuck. There goes my purposeful weekend.
[img]http://i.imgur.com/VY7HXWE.png[/img][/QUOTE]
Use this kind in the future, they are way less brittle, last longer, and can be changed in seconds. I'll never go back to those kind with the little screw. I can still remember breaking them trying to get them out of that tube thing they come in.
[t]http://g-ecx.images-amazon.com/images/G/01/th/content_26/Q2_2009/dremel-B000FBLRVA-4-lg.jpg[/t]
[QUOTE=Tw34k;40088647]Use this kind in the future, they are way less brittle, last longer, and can be changed in seconds. I'll never go back to those kind with the little screw. I can still remember breaking them trying to get them out of that tube thing they come in.
[t]http://g-ecx.images-amazon.com/images/G/01/th/content_26/Q2_2009/dremel-B000FBLRVA-4-lg.jpg[/t][/QUOTE]
The speedclic system is great but really expensive. Here in sweden it's like $20 for a 5 pack of metal cutting wheels. I've just taken to buying the larger equivalent of the tools the dremel mimics. So far I've gotten an angle grinder and some cutting wheels for that, a circular grinding machine and a bench grinder. Once I get a router I think I'm all set. So far I've spent no more than the dremel cost me to buy (dremel 4000 plus accesories ~$200) and all of those tools do their jobs far better than the dremel does it.
I still use my dremel and I like it, but it's a niche tool and mostly only useful for small things and fine detail work. For anyone considering buying a dremel, speaking from experience, you're probably better off getting the big versions of the tools the dremel can function as first.
That is exactly what i ordered (SC690 kit). It includes 2 plastic cutting discs, 2 thin cut wheels and 6 metal cutting discs aswell as the mandrel itself for 23 EUR. Also i do not own an original dremel, i have a Skill rotary tool which is a bit bigger, but gets the job done and only cost 35 Euros lol
[QUOTE=Tw34k;40088647]Use this kind in the future, they are way less brittle, last longer, and can be changed in seconds. I'll never go back to those kind with the little screw. I can still remember breaking them trying to get them out of that tube thing they come in.
[t]http://g-ecx.images-amazon.com/images/G/01/th/content_26/Q2_2009/dremel-B000FBLRVA-4-lg.jpg[/t][/QUOTE]
Itty bitty less brittle but [I]OH SO FUCKING EXPENSIVE![/I]
Still better to buy clone disks.
I just use the fiber-reinforced wheels, have yet to have one break on me by any means.
[QUOTE=Zero-Point;40096052]I just use the fiber-reinforced wheels, have yet to have one break on me by any means.[/QUOTE]
Link or manufacturer part numbers?
Been looking for some actually.
[QUOTE=Van-man;40096125]Link or manufacturer part numbers?
Been looking for some actually.[/QUOTE]
They sell 'em at Lowe's I know, in a container similar to the regular "break-if-you-look-at-them-funny" wheels. They're a little bit bigger in diameter IIRC and cost a little more.
[t]http://img51.imageshack.us/img51/2155/20130330120927.jpg[/t]
Granted if you tweak the fuck out of them while using them they'll probably break, but I was always careful when cutting out of habit gained from using the cheap shitty ones so it's all good.
Guys, look at my thing which can add two 8bit numbers together:
[t]http://i.imgur.com/UgqC1n1.jpg[/t]
I smell an overly expensive breadboard lol
My dremel has a shorted widing. :(
[thumb]http://i.imgur.com/pU5JkEV.jpg[/thumb]
Using my stencil8 tooling block for the first time :)
[editline]31st March 2013[/editline]
HNNNG
[img]http://i.imgur.com/R4s9tXL.jpg[/img]
So yeah, everything finally works, now I can die happily
[img]http://i.imgur.com/lPI1jGI.jpg[/img]
I've decided that if I want to add a synthesizer component to my keyboard, then I'm best to handle that with it's own microcontroller so that processing time from key presses doesn't affect certain aspects of the sound. But to do that I realised I'll need to communicate via serial from the keyboard controller to the synth.
Up until now, I've been using the serial pins as IO for the keyboard matrix because they were conveniently on the side I had the other keyboard pins on. So I changed that up a little bit and stole 2 of the IO pins I had on the other side of the board.
[t]https://dl.dropbox.com/u/62766551/Norseboard/P4010081.jpg[/t]
I'm glad that I'm the only person who'll regularly see the internals of this keyboard, because it's getting a little messy where I've manually desoldered headers and connections.
On the upside though, the top side is looking quite neat still.
[t]https://dl.dropbox.com/u/62766551/Norseboard/P4010082.jpg[/t]
Now I have easily accessible serial pins that should make communicating key presses a piece of cake.
I recently started an electronics course at my tafe/uni which has been interesting. Apart from blowing up some small capacitors and the country-music-writer classmate who carries around a walkman and smokes 2 packs a day, it's been pretty non-descript, but If I make anything interesting i'll post a bit!
[vid]https://dl.dropbox.com/u/5159654/display.webm[/vid]
Finally got that LCD display.
It's pretty neat.
Not I'll just have to wait for my MIcroSD to SD adapters to arrive (data logging stuff), and figuring out a small issue with my cheapass GPS unit, then I'd be on the right track for adding a digital speedometer for my car.
[SUP][SUP]Also didn't we used to have a BBcode tag for .webm content?[/SUP][/SUP]
A thing popped up in my mind: When the dremel discs shatter, are they capable of fucking shit up everywhere? I have blown up a few of them while cutting with the pieces never to be fount, but they havent broken anything. I wonder if a shattered disc could fuck a monitor up or break a window from 2 meters away where cutting was done
[QUOTE=Van-man;40119211][url]http://filesmelt.com/dl/display.webm[/url]
Finally got that LCD display.
It's pretty neat.
Not I'll just have to wait for my MIcroSD to SD adapters to arrive (data logging stuff), and figuring out a small issue with my cheapass GPS unit, then I'd be on the right track for adding a digital speedometer for my car.
[SUP][SUP]Also didn't we used to have a BBcode tag for .webm content?[/SUP][/SUP][/QUOTE]
I think the tag was [noparse][vid][/vid][/noparse]
[editline]1st April 2013[/editline]
[QUOTE=alexaz;40120542]A thing popped up in my mind: When the dremel discs shatter, are they capable of fucking shit up everywhere? I have blown up a few of them while cutting with the pieces never to be fount, but they havent broken anything. I wonder if a shattered disc could fuck a monitor up or break a window from 2 meters away where cutting was done[/QUOTE]
The fragments don't really weigh that much, so air resistance is relatively high, but it surely could scratch your monitor up.
[QUOTE=alexaz;40120542]A thing popped up in my mind: When the dremel discs shatter, are they capable of fucking shit up everywhere? I have blown up a few of them while cutting with the pieces never to be fount, but they havent broken anything. I wonder if a shattered disc could fuck a monitor up or break a window from 2 meters away where cutting was done[/QUOTE]
I've had a piece lodge itself halfway through my protective eyewear.
They were the soft rubbery kind though.
So yeah, they can easily fuck soft things up (eyes, ears, chin) though I doubt such tiny fragments could mess up something solid.
[QUOTE=Van-man;40121033]I've had a piece lodge itself halfway through my protective eyewear.
They were the soft rubbery kind though.
So yeah, they can easily fuck soft things up (eyes, ears, chin) though I doubt such tiny fragments could mess up something solid.[/QUOTE]
That's exactly why I always try to not be in the plane of the disk. Same goes for propellers on planes.
[QUOTE=DrLuckyLuke;40121047]That's exactly why I always try to not be in the plane of the disk. Same goes for propellers on planes.[/QUOTE]
Same ideally goes for anything rotatey (although it isn't always possible)
[URL=http://imgur.com/FTMGFAm][IMG]http://i.imgur.com/FTMGFAm.jpg[/IMG][/URL]
My little "geek pad" as it was called by the bird that stayed round Saturday.
My geek pad at work is much much better and has a better scope etc. currently saving for a rigol ds2000 series scope.
The second board is a power supply I designed, neato
I'm writing a presentation on Mechanical Signals, but I feel like it's a little too short. Right now I'm writing about garages, how they use mechanical signals to control the motor and the garage door. What more do you think I should add?
[editline]2nd April 2013[/editline]
I'm also making up schematics for a garage door, and I'll be explaining how it's set up and such.
[QUOTE=Gulen;40128774]I'm writing a presentation on Mechanical Signals, but I feel like it's a little too short. Right now I'm writing about garages, how they use mechanical signals to control the motor and the garage door. What more do you think I should add?
[editline]2nd April 2013[/editline]
I'm also making up schematics for a garage door, and I'll be explaining how it's set up and such.[/QUOTE]
Maybe I'm just being dense, but I don't really understand what you mean by a "mechanical signal" do you just mean anywhere something is activated purely mechanically like a door handle? I think it's probably the "signal" bit that's confusing me alongside your explanation. Are we talking electric motor controlling like a roller garage door? In which case how do you mechanically control an electric motor? Do you mean a gearbox? Or do you mean like a switch to turn it on?
Yeah, I'm assuming it's about a switch to turn it on and such. Like having a push button to turn a motor on or off.
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