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243Instructables2,044,320Views12,278CommentsThe Big Apple, not the core, kinda at the rind.
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  • You should be moving the motor in little steps or increments. It needs to check whether either switch has be triggered before it makes its next move. Or if you have been keeping track of its position, then the endstops are a safety mechanism to keep it from going too far.

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  • caitlinsdad commented on VincentD48's forum topic Welded structure for 2 camera13 hours ago

    Are you overengineering this a bit? A camera mount is a camera mount. Use what materials you have on hand to prototype one. Once you have it mocked up, kick it and stomp on it to see if it is airworthy. There are too many factors like depth of tapped hole and mounting stud placement to calculate what the minimum thickness should be. Go by feel to see if your structure is stiff enough to be sound. Select angle or extruded pieces to form your mount. I dunno, start out with 1/8th inch thick stock?

    thick aluminum plate with rivets?

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  • caitlinsdad commented on FlavioD13's forum topic I NEED HELP14 hours ago

    How big? What do you want to display(text, images, blinking lights)? What is your budget? Do you have skills in electronics or computer programming? Do you know how to solder? Have you looked at all the LED display projects on this site to find something that you would like to do or would be capable of attempting to do?Sure, we can help.

    This might work for you.https://learn.adafruit.com/adafruit-diy-led-video-...

    Sorry, but what you are trying to do is complex and parts are expensive.I will leave you with a maker lesson though. "You didn't plan to fail. You failed to plan."but for plan B... https://wp.josh.com/2016/05/20/huge-scrolling-ardu...

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  • caitlinsdad's entry The UnWelcome Mat is a winner in the Rugs Challenge contest 18 hours ago
  • caitlinsdad commented on jbrownskunk's forum topic Rc light ,flashing light 2 days ago

    So you need to activate two circuits with one switch... Use a double pole single throw switch to keep your circuits isolated and they can turn on at the same time.And if I did not interpret what you are trying to say, you want to make one LED turn from being constantly on to flashing, you need a bit more circuitry to do that. You want something with modes of off, latched on and flashing.

    Ah, the thrill of the game is hunting down the question rather than hunting down the answer. Such sport, tallyho.

    You are trying to use a radio control signal to turn on a light on the RC car?

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  • caitlinsdad commented on mikeasaurus's instructable Baked Pears2 days ago
    Baked Pears

    To make it pop, you need to flambe...with a blowtorch.

    View Instructable »
  • caitlinsdad commented on rtrg's forum topic bike booster kit2 days ago

    You might want to go back to the instructable and comment there. Ask your questions directly or link on over to his personal website shown in the profile. Good luck.http://www.instructables.com/community/bike-booste...

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  • Just type "line follower robot" in the "let's make" search box at the top. You can mod any design to carry a payload or have it pull something. Good luck.

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  • Take a look for automatic entry door openers. They may be relatively expensive but you can get an idea of the mechanism they use and maybe find a similar way to implement it. Good luck.

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  • caitlinsdad commented on jdmorse's instructable World's Most Expensive Shelves2 days ago
    World's Most Expensive Shelves

    Ha, it would be the most expensive shelves if you powder coat painted it or gold plated everything. Hardware adds up just like on a picnic bench. Nice job.

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  • caitlinsdad's entry The UnWelcome Mat is a finalist in the Rugs Challenge contest 4 days ago
  • You need to look into battery charging circuits and if you are dealing with lipo batteries, be careful. Good luck.

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  • caitlinsdad commented on churr's forum topic repair a loose headphone jack4 days ago

    If your earbuds/headphones are good and you suspect a bad jack, you might be able to look in deep to see if the contacts are bent in the jack and straighten/clean them. Otherwise, you will need to open up your unit to see if it is a loose/bad wire/connection to resolder or replace the jack entirely. If that doesn't fix it, time to get another cheap mp3 player. Good luck.

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  • caitlinsdad commented on gkal's instructable Enhance Your Multimeter Using a Polyfuse4 days ago
    Enhance Your Multimeter Using a Polyfuse

    Thanks. I never really knew about polyfuses before. How long do you have to wait for it to reset after the polyfuse trips so you can use the multimeter again?

    View Instructable »
  • Mom I am Fine... IoT Texting Chair

    Nice. If my kid made one, it would say "DAD SEND MORE MONEY".

    View Instructable »
  • caitlinsdad commented on MaryE73's forum topic Replace broken appliance handle6 days ago

    that would be too easy.

    You can use anything to make a handle. Grab that big wooden spoon or the metal spatula, a strip of aluminum. Drill holes to match. Figure out if you need threaded bolts to secure to the existing holes if they have a nut or anchor embedded in there or just pointy sheet metal screws. You need "standoffs" or spacers to lift the handle part away from the door, they can be a drilled through dowel or tubular rod which the bolt passes through. Or just put in some screw eye bolts in those holes. Tie a piece of rope for your handle. Good luck.

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  • caitlinsdad commented on Svet LanaN's forum topic Mirror with 20 light bulbs6 days ago

    Depends on the bulb, wattage, power supply, plug direct into wall?. You should wire them in parallel so when one bulb burns out, the rest are still lit. LED bulbs are recommended since they will not put off a lot of heat. If this is for makeup/bathroom mirror you might want to get the "daylight" temp bulbs since regular will have the more yellowish light. Good luck.

    and you might want to go with the smaller candelabra base sockets for smaller bulbs, although they are might be more expensive.

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  • caitlinsdad commented on coolcrafter101's forum topic Tags question6 days ago

    fyi http://www.instructables.com/id/How-to-choose-a-ti...

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  • caitlinsdad commented on makendo's instructable Black Hole Table6 days ago
    Black Hole Table

    Nice. It would be interesting to surface the framework and see it you can launch a coin to spiral into the abyss. Make a high tech wishing well/Christmas donation kettle, add soundfx for the echo drop.

    ah, welcome to the makendo oracle, for a quarter coin it will flash and tell your fortune, for two coins it will tell you a good fortune...

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  • Too bad Codebender is shutting down. There doesn't seem to be a replacement for it either and educators are scrambling for something else.

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  • optically with a lens. mechanically with spinning mirrors.

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  • caitlinsdad commented on asergeeva's instructable How to spread kindness1 week ago
    How to spread kindness

    Yes. Maybe try this with sticking a wad of chewing gum in Singapore.

    I wouldn't say that. I think it more stems from the quality of life that we have come to expect, at least in my neck of the woods. We're all for the freedom of speech but when you express yourself by using a form of vandalizing/contributing to litter/creating an eyesore and violating the public space for all to enjoy, then it is wrong. As a homeowner I have had my property defaced with graffiti. utility pole outside all plastered with notices - rusty staples/dried up tape and all sorts of handbills/fliers stuffed in the door. And of course, there is no saying if someone does turn this thing evil and uses it to pass messages of hate. So there ya go, not in my backyard.But I will say, good art should stir up good discussion.

    I believe it is the spirit of the law and no grey area to interpret. You can tell it to the judge.

    View Instructable »
  • caitlinsdad commented on asergeeva's instructable How to spread kindness1 week ago
    How to spread kindness

    What the NY Times failed to inform you is that posting bills is illegal in NYC. http://www1.nyc.gov/assets/dsny/about/laws/posting...No good deed goes unpunished.

    View Instructable »
  • caitlinsdad commented on colinstcharles's forum topic Switching1 week ago

    1. There is a big difference between being an electrician and an electrical engineer. Don't mess with 230vac mains house wiring unless you know what you are doing lest you get into a dangerous situation with yourself and burn down the house.That said, research what commercial systems they have out there already to control lamp dimmers, lights, power outlets, etc by using the existing wiring all linked to some master control. They might communicate with the remote unit through wifi, bluetooth or inject a signal through the house wiring. From that, figure out what you want to do or figure out how your system should work. Good luck.

    zwave, xbee, X10, and a whole slew of stuff on display at the home center HUE, etc. Good luck.

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  • So....Are you sure you are using a thermistor component? Is it wired the same way as the tutorial you link to? 3 wires for the setup and arduino analog pin connected to where the thermistor and resistor join?I don't think thermistors self-heat but should be acclimating itself to the external air around it or the object that you glue it on/make contact with. It should just be a temperature probe. Is there a datasheet to tell exactly what resistor you should pair it up with? Maybe post the code you are using or describe better what application you are trying to use a thermistor for. And 50 or 60 degrees F or C? 15 Ohm or 150 Ohm resistor?

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  • caitlinsdad commented on caracoda's forum topic Does time of the entry matter?1 week ago

    http://www.instructables.com/community/Contest-FAQ...To even out the chances of getting into the finalist pool with the whole voting period thing, there will be some staff and sponsor picks not based on the general voting. The finalists then go on to judging. If you have a great instructable, it will get noticed whenever it gets added to the contest. You gotta be in it to win it. Good luck.

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  • depends on what you got going in...

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  • You can go back in to edit your instructable. Click on the image in the step to view/edit. You should then see the Add Note button at the bottom. Drag that box that appears on the image to resize it around the area where you want the note. Add text and be sure to save it. Give it a few minutes for the system to update and go view the instructable normally to see the note show up.

    I use chrome on the ipad, or through a browser, see if you have a "request desktop site" menu choice from the browser menus. That forces it to load up the full version of the site instead of the "mobile" version. Do that when you opened up the edit page that shows the steps or when you click on the image to edit, you should see the add note button appear.

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  • This might help to start... http://playground.arduino.cc/Main/KeypadTutorialYou might not have enough pins on an UNO to sense the complete grid and might need to add a multiplexer chip circuit to consolidate several inputs in one. Good luck.

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  • You could start here...http://www.digikey.com/en/articles/techzone/2013/m...

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  • caitlinsdad commented on TinaH105's forum topic Rayon acetate velvet2 weeks ago

    http://www.moodfabrics.com/catalogsearch/result/?c...

    Ah, probably heat embossing fabric on top of rubber stamps.Try this http://www.moodfabrics.com/catalogsearch/result/?cat=&q=rayon+acetate+velvet Pricey, but it is the acetate/rayon blend. Order a swatch to test it out. Good luck.

    What kind of stamping?

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  • caitlinsdad commented on James Kennedy 's forum topic My 1st attempt at art 2 weeks ago

    Nice. It's got a Banksy feel to it. What is it - digital print from photos with a computerized filter or ink/paint rendering of some sort?

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  • caitlinsdad commented on dano9999's forum topic heat sensitive wall outlet2 weeks ago

    Are they the ones who certify dairy products to be wholesome and hormone free?

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  • caitlinsdad commented on mbcharney's forum topic Atmel 5322 weeks ago

    **redacted**I dunno. It may be more of an operational code name than a chip itself.

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  • caitlinsdad commented on dano9999's forum topic heat sensitive wall outlet2 weeks ago

    Time to get a bigger coffee maker if you are drinking so much coffee that you have a runaway machine. I think normal circuit breakers are designed to trip long before the wires get overheated. Thermal shutoff should be built into the device itself and probably part of that UL, CE or other consumer safety approvals. Sure, one could plug powerstrip into powerstrip and overload a circuit and maybe heat up the outlet or wires but hopefully you don't do that.

    I could see situations where there is a danger but the manufacturers probably took a look at the statistics of accidents caused by overheated outlets and decided it was not worth their time/money/profit to build and include such a safety feature. Maybe make the plug plastic something heat reactive to visually warn the user if it is too hot.

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  • caitlinsdad commented on nixusinc's forum topic Homemade electric nail file2 weeks ago

    You found the right odd people to help with your accessiblity problem. I'm not sure if Dremel accessories or similar rotary tool parts(Harbor Freight, Northern Tool, etc) are available to you. They already have small things like mini sanding drums/disks, shaped grindstones, to have at the nails. I don't know if your electric screwdriver is like a drill or just turns slowly. If it has a chuck(jawed opening to clamp down and hold the bit) or just the hex shaped screwdriver bit holder. You can get an adapter to make it hold those drill bit like accessories. There is also a flexible shaft option for those Dremels to extend the reach of the bit away from the motor. For a real low speed sanding disk you can epoxy on a flat wood disk to the end of a drill bit and glue or double sided tape on a...see more »You found the right odd people to help with your accessiblity problem. I'm not sure if Dremel accessories or similar rotary tool parts(Harbor Freight, Northern Tool, etc) are available to you. They already have small things like mini sanding drums/disks, shaped grindstones, to have at the nails. I don't know if your electric screwdriver is like a drill or just turns slowly. If it has a chuck(jawed opening to clamp down and hold the bit) or just the hex shaped screwdriver bit holder. You can get an adapter to make it hold those drill bit like accessories. There is also a flexible shaft option for those Dremels to extend the reach of the bit away from the motor. For a real low speed sanding disk you can epoxy on a flat wood disk to the end of a drill bit and glue or double sided tape on a piece of sandpaper. A mini belt sander tool might be overkill, I dunno. Good luck.

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  • A long time ago, I had to snake out the storm drain pipe. The cleanout plug was in a dark corner of the basement. I opened it up and ran the metal drain snake through. When I was finished and was ready to close it back up, I saw some little specks of light. I thought it was some bits of metal that scraped off the rusty drain snake and was reflecting by the flashlight. I put the flashlight down and still saw the bits of light. I looked closer and saw some moving luminous specks. Cool, radioactive algae or microscopic creatures in NYC sewers, just what I expected and didn't think much else. I never really found out what they were but this topic reminded me to look. It may have been larvae of "railroad worms", a bioluminescent beetle can glow in the dark like a firefly. The back...see more »A long time ago, I had to snake out the storm drain pipe. The cleanout plug was in a dark corner of the basement. I opened it up and ran the metal drain snake through. When I was finished and was ready to close it back up, I saw some little specks of light. I thought it was some bits of metal that scraped off the rusty drain snake and was reflecting by the flashlight. I put the flashlight down and still saw the bits of light. I looked closer and saw some moving luminous specks. Cool, radioactive algae or microscopic creatures in NYC sewers, just what I expected and didn't think much else. I never really found out what they were but this topic reminded me to look. It may have been larvae of "railroad worms", a bioluminescent beetle can glow in the dark like a firefly. The backyard had a storm drain and gutters fed into that pipe so that's how they probably ended up in there.

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  • caitlinsdad commented on lossarapter's forum topic Splitter Box2 weeks ago

    Something like this https://www.amazon.com/Ebtech-LLS-2-Level-Shifter-...Sound panels just referring to your mixer consoles, etc.

    I think the first issue to take care of is getting a level shifter box to get that line level output of your minidisc, mp3 player, CD, headphone output, iphone, etc to instrument level that your mixers accept. Once you can do that, you will find a solution to routing that through your sound panels to any device. Good luck.

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  • caitlinsdad commented on Howterson's forum topic transistor2 weeks ago

    What do you mean "remake a speaker"? That Tornado g-650 speaker unit is configured to work already. What kind of signal are you trying to pump into the speakers?

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  • caitlinsdad commented on Johnieahenderson's forum topic circuit board2 weeks ago

    So what do you want your circuit board to do? You have a bunch of varying loads that require different amounts of power, dunno what kind of power supply, throw in a rotary multiple switch...

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  • caitlinsdad commented on Taylorchang's forum topic waste 2 weeks ago

    I'm not sure what problem you are trying to address. Fix it up so the garbage looks nice?(sorry, maybe false assumption thinking this is an art school project). Here in NYC and probably in most other urban centers, garbage disposal falls under the municipal sanitation codes. Each property owner is responsible for putting out the garbage, maintaining the receptacles and tidiness of the outside property up to 18 inches out into the street/curb. Dumping is illegal and so is putting your trash in your neighbors bins. Improper recycling is also fined. They only have those central waste houses in small apartment complexes. As a homeowner, why would you haul your trash a block away to put it in a common waste bin?

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    • Leslie Birchinator - Neopixel Arduino MIDI switch
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  • caitlinsdad commented on caitlinsdad's instructable The UnWelcome Mat2 weeks ago
    The UnWelcome Mat

    That's a welcome comment. Thanks.

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  • caitlinsdad commented on msiren's forum topic IR trip wire with discreet components3 weeks ago

    I dunno, you may need to throw in some things like capacitors and diodes. What circuits do you currently have set up?

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  • caitlinsdad commented on Shyven's forum topic KNIGHT RIDER LED3 weeks ago

    You want a circuit diagram and the code to run it on an arduino?

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  • caitlinsdad commented on monks19's forum topic DIY Tripod Carry bag3 weeks ago

    Just type in "bag" at the let's make search box on top. You may find something to make.

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  • Have you tried contact cement for countertop laminates? You roll it on the base, let dry to evaporate the nasty solvents and there is a sticky surface left. You've got one chance to place the parts together though. Other than that, experiment with those new roof repair coatings. One I've used is latex based and will stick to anything. You might have to put some pinholes in the mylar sheet for it to breathe to dry but looks isn't everything and you wouldn't sacrifice too much reflection with a couple of small blobs peeking through. Good luck.

    Not really sure but latex stuff is probably more water based so they need to dry exposed to air. Silicones cure and give off that vinegary smell. Maybe just lay down beads or lines of silicone caulk to stick it and squeegee flat.I'm not that versed in solar heating but I remember seeing somewhere that a full white surface may be even better than a mirror like coating and the collector tube should be black for more efficiency.

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  • Well, I guess you're committed, the info is out there if you search hard enough... Good luck.https://forum.voltivo.com/showthread.php?tid=8339

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  • 1. Did the printer ever work with the original board that was installed in the 3D printer?

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  • caitlinsdad's instructable The UnWelcome Mat's weekly stats: 1 month ago
    • The UnWelcome Mat
      282 views
      5 favorites
      8 comments
  • caitlinsdad commented on caitlinsdad's instructable Wearable Personal Safety Alarm1 month ago
    Wearable Personal Safety Alarm

    You can 3D print an unstompable designed case or even machine the case out of a metal block or fill some of the voids - allowing the piezo to vibrate - with epoxy putty or even hot glue... All can be done to increase the odds in your favor.

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  • caitlinsdad commented on caitlinsdad's instructable The UnWelcome Mat1 month ago
    The UnWelcome Mat

    Sure did. More candy for me.

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  • Better way would probably be to mount the magnets on the swinging arm on some kind of adjustable slide device. That way, you can vary the distance to the contact point and get the exact needed power of the magnet to attract the free object. It might be tough to get stepped power magnets exactly in the strength you need. There is some formula to calculate magnetic strength over distance... Good luck.

    The magnets are locked into position at the end of each trapeze. You just need to embed steel nuts or screws in Lego man's feet and hands. Have a piece that has a slot over a bolt/wingnut to make the extending trapeze or duct tape the magnets in place at the right length when you get it working.

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  • caitlinsdad commented on caitlinsdad's instructable The UnWelcome Mat1 month ago
    The UnWelcome Mat

    thanks, simple to make with interesting results.

    thanks, and if you don't like it, you can vote with your feet.

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  • DO NOT hook up your controller just yet. I think you have the wrong controller or bought the wrong set of lights to go with that controller.WS2811 5V individually addressable LEDs use one digital line to the controller(Data In - blue wire then pass on the signal to the next with the Data Out) and power with +5volts and ground.Your controller output is 12-24 volts with separate lines for R, G, B, and white. Those are for the analog controllers which pump out voltage to each color light or channel. You would probably damage a whole bunch of LED elements on that strip you have if you connect them.The fix is to get either a different LED strip or get the correct controller.And I hope you have the app that goes with that bluetooth controller. Good luck.

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  • caitlinsdad commented on caitlinsdad's instructable The UnWelcome Mat1 month ago
    The UnWelcome Mat

    Thanks, for you I will put out the the welcome mat.

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  • caitlinsdad entered The UnWelcome Mat in the Rugs Challenge contest 1 month ago
  • caitlinsdad's instructable Wearable Personal Safety Alarm's weekly stats: 1 month ago
    • Wearable Personal Safety Alarm
      1,092 views
      7 favorites
      4 comments
  • caitlinsdad commented on TERA FACTOR 4K's forum topic Voltage Multiplier1 month ago

    Pics of your setup or schematic of what you tried to do?

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  • https://www.adafruit.com/product/1203 Maybe looking at the datasheet/manual links might give a clue if you can get at just the raw data. Just curious though, unless you are in some kind of hardware development or algorithms class it seems like you are just reinventing the driver/library for that device. Good luck.

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  • caitlinsdad commented on JoeM286's forum topic 3D Printer XYZ Axis Problem1 month ago

    Check the printer configuration in Repetier that it is set for your printer. Again, not knowing what kind of 3D printer you are using, maybe you need the latest or a custom configured version of Repetier. Does your clone use the same profiles as a name brand machine? You should manually be able to move the printhead and test extrude through controls in Repetier if all is configured correctly.

    It must be some kind of generic 3D import printer but the firmware, if you have the correct version, may need to be configured for the hot end/thermistor you are using. I don't know if those temperature readings are real or accurate. Is the hotend assembled correctly through the heater core with all the feed tubes clear? Is it getting warm when you get close to it? Check the wiring and for the heated bed/thermistor. Load in a model to actually slice and print.

    Any specific help forums for your brand of printer?Did you actually have any model to print and did it get sliced properly to generate gcode before printing?You should go through the bed leveling procedures before attempting to print.Your extruder nozzle may be jammed or the feeder is not adjusted properly to grip the filament. Do you see the extruder motor turn? The filament may not have been pushed all the way into the hot end. You can manually push through some filiament while the hot end is heated up to see some filament oozing out.If you have the correct firmware loaded on your printer, the software must be configured with the right profile for the printer settings.Also, the hot end heats up, then the heated bed has to come to temperature before the actual print. Maybe the erratic ...see more »Any specific help forums for your brand of printer?Did you actually have any model to print and did it get sliced properly to generate gcode before printing?You should go through the bed leveling procedures before attempting to print.Your extruder nozzle may be jammed or the feeder is not adjusted properly to grip the filament. Do you see the extruder motor turn? The filament may not have been pushed all the way into the hot end. You can manually push through some filiament while the hot end is heated up to see some filament oozing out.If you have the correct firmware loaded on your printer, the software must be configured with the right profile for the printer settings.Also, the hot end heats up, then the heated bed has to come to temperature before the actual print. Maybe the erratic xy movement is the head trying to find home position before the print, your endstop switches may not be hooked up or working correctly.Yup, a lot of things to figure out when owning a 3D printer. Good luck.

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  • caitlinsdad commented on ברקו's forum topic Arduino1 month ago

    You are missing defining the variable used for the led pin number before the void setup() lineconst int LED_BUILTIN = 13; // the number of the LED pinor replace "LED_BUILTIN" everywhere with the pin number.You need to find out what digital pin number is used for the onboard LED for your model of arduino, it might be 13 or something else.

    When the IDE loads up ready for you to code something, the setup and loop syntax is there for you to expand on. If you are copying a complete sketch from somewhere else, you can clear that out and paste it in. What is there does nothing but should compile/verify if you have the correct settings/port for the arduino that is connected on USB.

    Can you post a screenshot of the error or describe what the problem is? When do you get the error - when you hit compile, uploading, or running the program and it is not doing what you expect it to do? The mindreaders will be here shortly.

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  • caitlinsdad's instructable Dorm Bedpost Side Table and Mirror Stand's weekly stats: 1 month ago
    • Dorm Bedpost Side Table and Mirror Stand
      1,120 views
      10 favorites
      2 comments
  • maybe work something off of this, is that your own security system to mod or is it a leased system with remote monitoring that you can't hack? Good luck.

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  • caitlinsdad commented on caitlinsdad's instructable Wearable Personal Safety Alarm1 month ago
    Wearable Personal Safety Alarm

    You could but you have to think how it would be used. It might be uncomfortable to wear with a switch paddle digging into your foot or it might get accidentally triggered by normal movement while walking. You could make a slip case with the a switch spring activated upon release from the case. Hack away.

    Thanks. Make first if you need it, then study it for a while.

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  • Learn to use the switch case statement, essentially use your trigger value to do something based on what it is. Good luck.https://www.arduino.cc/en/Tutorial/SwitchCase

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