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Nov 3, 2006
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Comment: Are they metal or plastic knobs?
Comment: Can Sugru really be used for dental implants? http://i.imgur.com/oHpfqAK.png LOL just…
Comment: Safety the quadcopter (it's a stick command). There is a LED that indicates safety. Onc…
Comment: I don't like sticking stickers onto the bags themselves because they are hard to remove…
Comment: There is plenty of room, and also the LEDs are not as tight as physically possible yet.…
Comment: that took 6 hours, it's actually not fun and the air quality in my room becomes a serio…
Comment: this idea would work, you would need to reboot completely between toggling the switch, …
Comment: CNC is a step above me, if I had a CNC machine, then I wouldn't have to order the 3D pr…
Comment: Ha no, my none of my undergrad classes in EE teach anything remotely close to this. My …
Comment: I like the store Hobby King, that's where I buy everythingMy email is on my website, in…
Comment: huh, I did not see that before, or did not realize it meant a connection is required be…
Comment: can you tell us about the camera settings you used to take those beautiful pictures?
Comment: You must have the "middle man" if you want to use the Wii Classic Controller
Comment: kind of hard, I know how to do it, but is it worth the effort? how skilled are you? wha…
Comment: Yea, just look at AeroQuad Mini, or MultiWiiCopter, both of them actually use the Ardui…
Comment: your code comment "initialize the buttonPin as output" is wrong, you are actually enabl…
Comment: your code comment "initialize the buttonPin as output" is wrong, you are actually enabl…
Comment: I just want to point out that you cannot draw current from this circuit, if you tried t…
Comment: Buy a crimp tool, less than $10 if you know where to look
Comment: I don't think this is something you can ask me, ask your professor instead.
Comment: I can do this, it'll be basically be a custom PCB with a microSD card slot on the back.…
Comment: Yes, if you want to do t that way, go ahead. But if I have both slots, I can still use…
Comment: it's a joke, the joke is that SMD soldering is so easy, you can even do it while holdin…
Comment: not without buying more stuff, so just buy more propellers, they'll break fast anyways …
Comment: the entire helicopter would spin on the yaw axis forever
Comment: try splitting the command up into several parts, and figuring out which part of the com…
Comment: hmm... it might be worth the time to write a EAGLE script that translates the NAME silk…
Comment: When I had to do this, I just moved the .brd EAGLE file to a new folder, turned on all …
Comment: You have to send the design to a PCB manufacture to have it made for you
Comment: You can get the components by searching DigiKey for the part numbers I provided, they h…
Comment: Both methods would work
Comment: It'll need some major changes. I don't think the ATtiny has dedicated I2C so that has t…
Comment: Oh... err, funny thing, it "works", you can write to the chip, I know I can because I w…
Comment: The PWM code uses the ATmega's timer modules directly. The for-loops are there to chang…
Comment: How many watts can you get from this?
Comment: I think you used the same Excel to HTML table generator thing I like to use. I can tell…
Comment: Ask on the AeroQuad.com forum, because I didn't write the software.ATmega328 should wor…
Comment: I find it easier to use the bootloader, there is no real reason, go ahead and use an IS…
Comment: I think it can do 128kbps
Comment: Use magnets to mark your shots
Comment: you are going in the right directionAlmost any ATmega should work, do a comparison with…
Comment: check these out http://deltang.co.uk/
Comment: if you have a pro account, and want to post any sort of code, please use the source edi…
Comment: pro-tip: upload everything as a zip file, because instructables renames everything with…
Comment: Hours? Something like this takes several months.this entire project started in the spri…
Comment: There might be a way but I don't recommend it. You should really do a complete redesign…
Comment: over $200 if you count absolutely everything
Comment: :-(didn't make the finalists for toy challenge 2
Comment: the motor driving circuitry is designed for small brushed DC motors, a bigger MOSFET ma…
Comment: http://www.frank-zhao.com/go there and you'll see my email in the banner image (so spam…
Comment: please PLEASE put BB guns in there!!
Comment: If anybody is interested in either building this project or buying this project as a DI…
Comment: It is very expensive and time consuming, also a lot of parts are currently out of stock…
Comment: I would like to try, maybe attempt a "Kickstarter project" or something.
Comment: Wow I think every store that sells the motors are out of stock. This will take a few mo…
Comment: I would expect around $170 to build a single one from scratch, which includes a transmi…
Comment: ThanksIt's actually midterm exams that are starting now, final exams are in April.
Comment: In the introduction, there's a zip file download, inside it should be a folder containi…
Comment: I will try my best, more motors are on the way, maybe in around three weeks
Comment: Try not drawing more than 500mA of current
Comment: for the 2.4GHz modification, there's no good place to put the antenna, I had to make th…
Comment: I have never owned any other remote controller, so I can't give you a comparison on the…
Comment: HiThe analog inputs are not really utilized in the default configuration. If you wanted…
Comment: That's awesome.How much did this cost?I saw your other robot, what lessons did you lear…
Comment: You are supposed to be able to use any remote control. Nobody sells the remote control …
Comment: My design has hidden vias, so if you can plate through vias yourself, then yes, if not,…
Comment: yes you do need a AVR programmerall you do is hook up the programmer to the ISP header,…
Comment: yes it will workit'll look kind of ugly though
Comment: It looks great, you should take a photo against a darker background so it's easier to see.
Comment: SJ stands for Solder Jumper, you put a lot of solder on two of the exposed pads, and sh…
Comment: ThanksI can't really come up with any other projects with those things, if they are wor…
Comment: oh I was looking for the mistake but spell check didn't pick anything up, now I fixed i…
Comment: read step 15
Comment: The ESCs provide power to the flight controller, and that same power goes to the RX unit.
Comment: oh I attached a standard 3 wire servo cable to the power spider, it really doesn't do m…
Comment: the brick is acting like a heat capacitor, it will absorb heat while the air is hotter …
Comment: Hi GaryMy code activates the internal pull-up resistors of the ATmega, but maybe that i…
Comment: frequency of the microcontroller will limit the speed of the SPI bus, which is used to …
Comment: to determine RAM requirements, you can start by considering that FatFs requires a 512 b…
Comment: Most ARM microcontrollers have DACs built-inI did not really make a decision on RAM and…
Comment: show me a 8 bit (not 32 bit) AVR using MAD please.I highly doubt a 8 bit AVR at 8 MHz c…
Comment: I didn't leave the prong panel attachedThe USB socket wasn't bothering anything, it was…
Comment: you don't need a decoder, see http://mbed.org/users/Gruenfrosch/programs/madplayer/liih…
Comment: I'm a cheapskate, Digikey has FedEx 1 day shipping for $8, I'd rather just do one order
Comment: AD595AQ has cold junction compensation
Comment: How can that lift your balls of steel? :-P
Comment: I would usually agree. But...You can still plug the modified oven into the wall directl…
Comment: the heat would probably be an issue, perhaps it is possible if I got some good insulati…
Comment: You can connect speakers directly to the VS1003b but only small speakers, if you need b…
Comment: no, you need an amplifier of some sort
Comment: those two chips are compatible if you are simply playing MP3 to headphonesYou can use a…
Comment: I've seen designs that use the STA013 but you need a DAC to go with that, I don't know …
Comment: you can buy carbon filters, just like real fume extractors
Comment: LOL this Instructable got featured today but it was published back in 2007!
Comment: Thanks for bring this to my attention, I've formatted my Instructables in HTML and they…
Comment: Hi PascalThanks for the kind words.I didn't get the HP Touchpad because it was being di…
Comment: I remember learning about how to make crystal clear ice, the trick was to apply some ai…
Comment: Would a soda can make a good cylindrical mold?
Comment: Of course, that should be easyThe function that plays out the data runs in a loop, just…
Comment: Buy your ESCs from a store, don't make them yourself. Trying to build them is a waste o…
Comment: you need to re-read the section on brushless motors and ESCsbrushless motors are not re…
Comment: I would recommend starting out getting a USB-to-serial device and connect it to a Xbee …
Comment: You need to establish what your goals are, do you need a lot of data? a little data?fre…
Comment: I see you are using dials to set the alarm time, but how is the current time set and kept?
Comment: try this then http://www.instructables.com/id/Music-Playing-Alarm-Clock/
Comment: Sorry, I don't sell these.
Comment: I think each motor can generate 500 to 525 grams of thrust with these propellers, so ma…
Comment: I don't think so, because RC brushless motors are designed for driving lightweight prop…
Comment: ThanksI can probably work out the gears myself in CAD but that pendulum mechanism I'm n…
Comment: that looks beautifulwould a small hook look better for the knight?thanks for teaching m…
Comment: Can you please post the templates somehow? It's very hard to find a particular clock de…
Comment: That construction is slick!I also like your Christmas countdown ball thing, it's cute
Comment: I don't know how to do that, sorry.
Comment: Do you know what will be a great use for this? Have two pads on one cushion, and connec…
Comment: ThanksAtari seems a little bit... off-the-radar these days... I bet most kids don't eve…
Comment: laser cutting is expensive, have you looked into water jet cutting? Or perhaps simply c…
Comment: I was wondering when somebody enters a pong clock. You can't have a clock contest witho…
Comment: Hi rusky, are you serious? Can you give us a link to the news article?
Comment: Your picture reminded me of the T-Virus
Comment: You should paint the hands with glow-in-the-dark paint then
Comment: That looks beautiful.I see that you are interested in selling kits. I'm sorry but $120 …
Comment: it'll be nice if you can figure out a way to light up the hands
Comment: This seems great when you think some pins are either misconfigured or internally damaged
Comment: I think the iPod might have a camera better than the one you are usingI don't understan…
Comment: uncheck "direct capture" and see what happens
Comment: if you are using the Teensy++, it should appear to your computer as a serial port, whic…
Comment: Of course, other people do it that way, usually with carbon fiber though since you can …
Comment: I don't think that's as funny as you think it is...
Comment: In the editor, press "view source" to edit your Instructable in HTML (I think this is a…
Comment: I guess it's illegal to use the sirens?
Comment: You can buy used firetrucks?! That's awesome!
Comment: How does it tell time?What is the blue round thing?
Comment: Are larger wrenches too heavy for the clock mechanism?
Comment: Oldish is an understatement, this was 4 years ago when I was still in high schoolThis I…
Comment: .sch and .brd files are Eagle files, you can edit these to view or edit the schematic a…
Comment: look for 1N5227B
Comment: I'm disappointed that my second entry into the contest did not become a finalist (or ev…
Comment: Does it run faster with USB 2.0 than on USB 1.1?
Comment: that's a cool trickI'd like to see plain-text styled CAD file formats so source control…
Comment: When I get a house, there will be magnets in the drywall everywhere
Comment: I don't understand your question
Comment: 10cm x 10cm, and 1.6mm thick
Comment: you don't have to do anything with it
Comment: Yes it appears to be correct, the ATmega644P-20PU
Comment: It's thinner than what it needs to be, but thicker PCB costs extra money, so I decided …
Comment: I love the makeshift lathe!
Comment: The USB driver installation should be automatic on all modern OS. But honestly, I have …
Comment: Have you ever microwaved a CD? Try it out, you end up with a really cool looking patter…
Comment: You should make the other half (the part you cut off) into a protective cap for it. It …
Comment: It's my own design, you can't buy it anywhere, but I've provided all the files so you c…
Comment: Thanks, I added your linkI like your custom character tool
Comment: People are afraid that it'll do "rm -f /"I could also (in theory) open up a web browser…
Comment: Oh by the way, the Wii version of Guitar Hero World Tour comes with a drum set that you…
Comment: Yes, perfectly possible, I have done this already but I re-created a Rock Band drum set…
Comment: Sweet, I need to make one now. I'll look into adding a fume extractor.
Comment: Would adding a resettable fuse help with the current draw problem?Or maybe a large capa…
Comment: SMD soldering isn't hard at all! This video shows how easy it is http://www.youtube.com…
Comment: Use one of those wireless Nunchuks. I know you used the potentiometer readings directly…
Comment: This is my favorite USB drive case mod so far. It's great marketing material for fast f…
Comment: What schematic editor is that?
Comment: You know those dirt cheap tiny USB wall chargers? You should build that directly into t…
Comment: You should leave the lighter end intact, and put the drive in the other "boring" end.
Comment: It would work, and most of the code I can port over too
Comment: Thank you everyone!I'm nearing the end of another school term so I'm super busy. When I…
Comment: I'll see if I can cut some foam as guards when I do an upgrade. I need to research some…
Comment: I'm not the author, but I think it's a serial controlled character LCD combined with an…
Comment: You can always buy something like the AR Drone Parrot or Walkera UFOFor frames, try "Ki…
Comment: It has gyros, a ITG-3200 triple axis, it keeps it pretty stable, see the takeoff that c…
Comment: na, Dean Camera (LUFA author) does
Comment: There is no reason. I wanted a quadcopter, I'm going to build a quadcopter.
Comment: I think I put more real work into http://www.instructables.com/id/Music-Playing-Alarm-C…
Comment: Mine is about 1.6 kg totalYour battery is lighter than mine, it should be fine. Althoug…
Comment: Mythbusters tried to build a jetpack with two ducted fans before, two more fans and you…
Comment: You might be able to cut open the heatshrink packaging and repair it, it sounds like a …
Comment: I use yEd Graph Editor http://www.yworks.com/en/products_yed_about.htmlThat's an intere…
Comment: Ok thanks!
Comment: Stepper motors are slow, they are designed for slow but precise movements, correct?Ever…
Comment: There is an accelerometer on board, it was not actually used during the video. The gyro…
Comment: there's a version of the 808 keychain camera that does HD video, it costs a lot more an…
Comment: ebaythey are called 808 cameras, or car keychain spy camera
Comment: It's just a cheap $5 spy cam taped to the frame :-D it's awesome
Comment: of course you can build a smaller and lighter quad, I can't really comment on the expec…
Comment: $15 frame4x $8 ESCs4x $12 motors4x $5 pros$15 battery~$100 for the circuit~$20 miscmy r…
Comment: I can't think of any way to do this right nowWe can dream though
Comment: Cool, gonna lift anything cool? I think you might even fit a Lidar with that much lift.
Comment: In this situation a battery is still needed since I was specifically testing an XBee radio
Comment: Hey guess what happened? 6 stitches near my wrist and 4 on my finger:http://imgur.com/K…
Comment: Can you tell us how much the entire plane weighs?
Comment: Every ARM project makes me smile
Comment: Will it work on water?
Comment: The file upload tool is on the bottom of the editor, after you upload files, you can dr…
Comment: The AC to DC conversion probably converts your wall outlet power down to 9V DC. If you …
Comment: That's a clever way of using outrunners!
Comment: typo correction to my comment: HD44780, not HD447800
Comment: What part are you having trouble with? Are you already comfortable using HD447800 compa…
Comment: What's up with that slanted square chip?
Comment: so it's more like a Basic Stamp, cool
Comment: Ah I get it, it stores a script, but you don't really program the PIC itselfThe product…
Comment: Never mind, it turns out to be a Microchip product.I don't use Arduino so I'd like to h…
Comment: Did you modify the VEX radio receiver to become a housing for the BlueSMIRF? How did yo…
Comment: If your router has a serial port and runs linux, it might be cheaper to just communicat…
Comment: Finally a mbed user, unless I missed an 'ible.I wish I can register on their site but t…
Comment: What do you mean by "watch it on a HTML5 canvas in your browser"? Do you mean use AJAX …
Comment: Nice, I wonder if you can program the servo controller itself, instead of relying on a …
Comment: Do you know where I can get that WiFi module but without the Arduino shield? Async Labs…
Comment: I noticed you are not modulating your remote control's IR signal. How does your project…
Comment: I just want to point out that you shouldn't connect a lot of LEDs with only one resisto…
Comment: One of those shocking pen toys is basically a relay that is wired to oscillate the reed.
Comment: There are MUCH safer ways of doing this that are just as "shocking"Just try oscillating…
Comment: Hey if you want to use STDIO.H functions like printf, why not just redirect the stream …
Comment: get a GSM module, much easier and possibly cheaper than using a phone
Comment: I have that exact VEX radio, it cost $25 brand new from allelectronics.com , they no lo…
Comment: Don't let that stop you. If the robot did something fancy like image processing, $200 i…
Comment: Ah, I overcome the bad IDE problem by just writing my ownhttp://code.google.com/p/avr-p…
Comment: What would you say is the advantage of using BASIC over C?
Comment: Wow nearly all the RAM?You need to use flash memory more. It looks like you know how bu…
Comment: You should always limit current through the LEDs. To prevent damage to the LEDs and pre…
Comment: There's a much better way of storing different data types into EEPROMtake a look at htt…
Comment: This doesn't cost much in the grand scheme of things. This project can probably squeeze…
Comment: Hey you know Snap-Circuits uses those types of snap buttons too!
Comment: Excuse me? "The best way to find out that pin number is what pin is to test." ? That is…
Comment: Hi you might be interested in my tutorials herehttp://frank.circleofcurrent.com/index.p…
Comment: hey it looks like you are using V-USB, I've developed a MCU kit that is designed specif…
Comment: Very Clever!
Comment: F-, Did not work, Bush is still alive.
Comment: are you saying all liquids conduct electricity?
Comment: well on the opposite side of the spectrum, you can have a situation like thishttp://www…
Comment: there will be moments when the washer is disconnected due to vibration, but for purpose…
Comment: yep
Comment: check out this baby I made a few months agohttp://s156.photobucket.com/albums/t31/frank…
Comment: I don't have the patience to pump huge guns, I love small pneumatic guns, and large com…
Comment: it's not the full movie!
Comment: it's in the window glass section
Comment: "any odd
Comment: and now I have to find my jaw...
Comment: Me and my friend are experimenting with a resistor consisting of two strips of paper co…
Comment: naw, a laser that expensive, you wouldn't wanna open it, but you might get away with du…
Comment: what a waste of a breadboard, try soldering it, breadboards are precious, and a cheap i…
Comment: wow, this is beyond well done!
Comment: there is a preassembed one for 27 in the 2nd link i posted
Comment: actually if you want to save a bit of money, the new freeduino boards look awesome, the…
Comment: yes, and my body is made of wood see if you get that joke
Comment: Source is the greatest engine ever made.
Comment: to view this in linux, use these in terminal (without quotes) "telnet" then "o…
Comment: yea if i can get them, i'd have to order them
Comment: I have a bunch of pennies to use instead of magnets oh and i also have a 8 gallon air …
Comment: How about the greatest shoe buffer in the world?
Comment: GREATEST IDEA EVER!! Situation: A crazy gunman barricaded himself in a small red ne…
Comment: anything non conductive, transparent plastic is cooler because you get to see it.
Comment: whatever happened to EEPROMs and Flash and all that jazz?
Comment: It's called a barrel sealing piston valve, the deodorant can is used to make the piston.
Comment: If you get pressure rated pipe, you can pump it to what ever pressure the pipe is rated at
Comment: 15 meter ish
Comment: yea, you got it
Comment: Just disable the welcome music, nobody actually likes that sound
Comment: I didn't even know such a radio existed Thanks, looks pretty cool
Comment: i only have toys, i don't have any hobby grade R/C but I like the toy ones because they…
Comment: Using a coin cell would look a lot better
Comment: http://www.thinkgeek.com/geektoys/science/770f/http://www.unitednuclear.com/magnets.htm…
Comment: who dares give kipkay a negative rating? I had to click + just to neutralize it love y…
Comment: does anybody sell "bloody fleshy cut off arm stubs" to amputees (ones with a sense of h…
Comment: on the subject of proxies at schools, read this:http://www.instructables.com/id/EEB6F6W…
Comment: about the controller, open it up and show us what is inside
Comment: any flame is hot enough to melt solder, so no
Comment: niceeeeee, and the decal is an awesome touch, you are definitely a finalist i want a…
Comment: yep some pics below, first two are over-under combustion launchers, the 3rd is a pneum…
Comment: And WTF you didn't even use hose clamps on those tubes!!!!!!!!!!btw a soda bottle can t…
Comment: jay, you don't know what you are doing a blow gun like that doesn't have nearly enough…
Comment: I just used a ds1620 on my bs2 and made a working computerized thermometer, the code is…
Comment: oh, so... if it's 7 volts to 4000 volts, it's fried if it's 4000 volts and over, it'l…
Comment: knex... will there ever be sub categories?
Comment: the nes cartridge only looks good as something standing on a table top... make an alarm…
Comment: or a single black and jaggy line across the white image
Comment: yea well there's something about the word "microsoft" geeks don't want microsoft copyi…
Comment: You are so ashamed of using a zune that you'd rather look like you are reading a book …
Comment: meant LED
Comment: in your diagram, the resistor is reversed
Comment: Watch this!
Comment: i made two switches, you only need 1 ring per switch
Comment: add these to the list: fill all screws with a bead of solder or epoxy puddy and round…
Comment: That's the most creative idea I've seen this week!
Comment: apple is making a mouse that uses accelerometers.http://www.macsimumnews.com/index.php/…
Comment: oh he said it needs an external power supply
Comment: will this work for the PIC16F877A?a friend said it won't and recommended http://freenet…
Comment: Wow, I could've swore you used a project box, very nice. i have an idea, a foot peda…
Comment: do they really cut their fries that neatly?
Comment: where and how do i get dry ice?
Comment: metal tubes is a good idea, get some copper tubing from home depot and then insulate wi…
Comment: Thank you all very much I made another diagram in the last step to clear up any conf…
Comment: Thanks If you have a small BB, I have a idea, if you laid out some copper wire on th…
Comment: the washer is technically the only non moving part if you think about it (correct me if…
Comment: Thanks!
Comment: make the two disks, drill holes in them where you need the contact points, make one rin…
Comment: it's freshly uploaded and it was up for a while and down for a while, now it is working…
Comment: i think the coil changes the frequency, on the bottom of the circuit board, there is a …
Comment: i made an animation to clear it up
Comment: "those robertson haters" I think you meant americans :-P
Comment: How many people in here are Canadian? I'm in Toronto.
Comment: They came that way And of course I like robertson screws I'll take a few more pics …
Comment: you can have a nozzle that releases the pressure at a given pressure before the bottle …
Comment: KICK *** does anybody know a program that does the same thing except it sends out bi…
Comment: well that's exactly what they used to sell in spencer's gifts, a small packet of glass …
Comment: i heard you can spread elmers glue and wait till it dries, then peel it off
Comment: take wall insulation, the pink fiber glass, and rub two handfuls (wearing rubber gloves…
Comment: I had a hunch that might work. Wonderful job! Can you mount a small spool onto the p…
Comment: same with aerosol canister flame throwers, they can't explode, it's just impossible, no…
Comment: cut a large hole on top and add a crank handle
Comment: since it can be twisted any odd number of times and be any length, who wants to make th…
Comment: yea it doesn't retract sometimes, loading is a pain, the wood is ugly, and i was trying…
Comment: actually, piston valves are cheaper if you know what you are doing. hi irwinner
Comment: i have an idea on how to make it neater, hot glue on tooth picks, and a bar of somethin…
Comment: very clever, kinda like how you steal gas or help somebody loose weight!
Comment: eb games sells keyboard dusters that uses 12g co2 cartridges and has a small tube, thin…
Comment: would having a hole in it cause bad sound? cuz i was thinking of pumping the inside wit…
Comment: my smoke alarms all have a silence button that silence it for a minute, get one of those
Comment: soda bottles are rated to 125 psi at best, but i've known them to burst at 60 psii'd sa…
Comment: our teacher drilled a hole in the chuck key, and riveted it to a chain, the switch requ…
Comment: I got an idea to resolve the problem with the different calculators doing different thi…