ITman496 in his ATV, using the trashcan lifter to lift a trashcan up in the air. The lifter is a contraption mounted to the front of his ATV, welded together with square tubing

Equipping An ATV With A Trashcan Lifter

[ITman496] is one of us hackers working his way around health problems, in his case, a back injury. He is eager to solve various difficulties he has to deal with, and in case of the video he made, it was about moving a large trashcan through ice-covered roads on his property. Not willing to risk his health any further and dissatisfied with the flimsy solutions for sale requiring him to do the heavy lifting, still, he designed and built a winch-powered trashcan lifter mechanism – not entirely unlike a forklift. He mounted it to his ATV, tested it, improved upon it, filming his progress along the way – and then made a video detailing the entire build for us!

Having sketched the concept on his phone, he modeled and tested it in SketchUp, then cut and welded the parts, describing a welding alignment trick along the way – using 3D-printed joints to hold the two parts-to-be-welded together for tack welds, ensuring nigh-perfect alignment. Initial testing was a success! From there, he describes a good few surprising but in retrospect expected ease-of-use improvements that didn’t crop up during simulations, like adding chamfers to the scoop, so that he doesn’t have to angle his ATV super precisely to pick the trashcan up. In the end, having used it for about a month now, he tells us it’s been working extremely well for his purposes!

Not all such garbage cans need to be taken out, thankfully – some of them go voluntarily, and you can even get smaller ones that catch stuff you throw from across the room. We’ve covered the adventures of [ITman496] before, learning lessons from a failed robot build in 2016., and adopting an ultralight plane in 2018!

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Litter Basket Automation

Sometimes the technology part of a project isn’t the hard part. It is having an idea for something both useful and doable. Sure, a robot butler that would do your cleaning and laundry would be useful, but might be out of reach for most of us. On the other hand, there’s only so many use cases for another blinking LED.

[Martinhui] knows how to use an ultrasonic sensor with an Arduino. Driving a motor isn’t that hard, either. The question is: what do you do with that? [Martin’s] answer: Automate a trash can. You can see a video of the result, below.

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Presenting The Internet Of Trash Cans !

This was gonna happen – sooner or later. [matthewhallberg] built a “Smart” trash can that is connected to the Internet and can be controlled by its own Android App. We’re not sure if the world needs it, but he wanted one and so built it. He started it out on a serious note, but quickly realized the fun part of this build – check out his funny Infomercial style video after the break.

trash_can_02The build itself is uncomplicated and can be replicated with ease. A servo motor helps flip the lid open and close. This is triggered by an ultrasonic ping sensor, which responds when someone waves a hand in front of the trash can. A second ping sensor helps inform the user when it is full and needs to be emptied. A Leonardo with the Idunio Yun shield helps connect the trash can to the internet. An mp3 shield connected to a set of powered computer speakers adds voice capability to the trash can, allowing it to play back pre-recorded sound clips. Finally, a Bluetooth module lets him connect it to an Android phone and the companion app controls the trash can remotely.

For the IoT side of things, [matthewhallberg] uses a Temboo account to send an email to the user when the trash can is full. The Arduino sketch, a header file to configure the Temboo account, and the Android application can all be downloaded from his blog. If this project inspires you, try building this awesome Robotic trash can which catches anything that you throw near it  or read the barcodes off the trash being thrown out and update the grocery list.

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Halloween Props: Trash Can Jack-in-the-box

Last year [Bob] didn’t let the little kids get some candy and continue on their way without giving them quite a fright first. His modified trashcan lures you in and then scares the bejesus out of you.

He calls it Oscar the Trash-bot. The image on the left shows a ghoulish-looking head peeking out of the partially opened lid of the trash can. It has some movement, but is slow and quiet. The small, slow movements catch your eye and seem safe enough. Until you get a bit closer. A range finder triggers when the unsuspecting victim draws near, causing a much bigger, faster, and bloodier beast to pop up and stick out a claw. Check out the two videos after the break. One of them shows the claw mechanism, which is made with the help of a brake cable and shows very realistic and blazingly fast movement. The other is an overview of how the entire setup works.

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