Hacked Gadgets Forum

September 3, 2016

CVT Transmission Basics

at 5:49 pm. Filed under Cool Gadgets

 

Engineering Explained goes into some details about how CVT Transmissions work. Love them or hate them it is an interesting piece of tech.

 

“A continuously variable transmission (CVT) (also known as a single-speed transmission, stepless transmission, pulley transmission, or, in case of motorcycles, a twist-and-go) is an automatic transmission that can change seamlessly through a continuous range of effective gear ratios. This contrasts with other mechanical transmissions that offer a fixed number of gear ratios. The flexibility of a CVT allows the input shaft to maintain a constant angular velocity.”


August 25, 2016

Cheap DIY CNC Build

at 8:14 pm. Filed under Cool Gadgets, DIY Hacks

 

NYC CNC has built a CNC machine that is accurate and made from inexpensive parts.

 

“Products used in the video:
GRBL Alternative for Arduino CNC: http://amzn.to/1C4KZxt
Dial Indicator: http://amzn.to/1DuvGQC
Indicator with Mag Base: http://amzn.to/1ABvkba
2-4-6 Blocks: http://amzn.to/11EBDwt
SMW Aluminum Brackets: http://bit.ly/1U1VhMz
Arduino Uno: http://amzn.to/1E0gxVU
GRBL Shield: http://bit.ly/1vJbWY9
24V Power Supply: http://amzn.to/1BlwmF4
My Favorite Multi-Meter: http://amzn.to/1qppo2C or http://amzn.to/1siEp1C
Linear Bearing Slider: http://ebay.to/1BugvYh
8MM Linear Rail: http://ebay.to/14rPWXB
Stepper: http://ebay.to/1xNEJ02
Timing Pulley: http://ebay.to/1I25PEN
Timing Belt: http://ebay.to/1xNxthz


August 20, 2016

Waveform Generator Record Player

at 5:57 pm. Filed under Cool Gadgets, Electronic Hacks

Light-sensor-atop-record-player-needle

 

When you need a Waveform Generator but just have a Record Player the obvious solution is to create a Waveform Generator Record Player.  This creation uses a 3D printed head for the record player arm and has some simple optics mounted. Similar optics that would be used in a line following car feedback the pattern. Swapping the disk changes the pattern.

“The light sensor is a 3 mm Everlight ALS-PT204-6C/L177. It was chosen because it responds to standard visible light, rather than infrared. I want it to see what I see.

The light sensor connects to +5VDC and to the middle pin of trimpot R3 (100 kΩ). My trimpot was dialed to about 20 kΩ, but you’ll need to adjust it based on the light conditions and distance to the target. The goal is to create as large of a signal as possible, with a compromise between flattening the top of the wave and the bottom of the wave.”

 

 

 


August 6, 2016

Tesla Gigafactory Tour

at 12:03 pm. Filed under Cool Gadgets

 

 
The Tesla Gigafactory is still being built. It is huge but the building will be much larger when completed. Tesla and Panasonic are in a joint venture in this building. Full production is slated for 2018. Full production will be 500,000 to 1,500,000 packs per year! Automated battery construction for the win.

 
 


 

July 25, 2016

DIY Circular Stepper Motor Clock

at 8:41 am. Filed under Cool Gadgets, Electronic Hacks

DIY Circular StepperMotor Clock 

 
Looking for a clock build? This DIY Circular Stepper Motor Clock looks like fun and the parts would be very inexpensive.
 
“The idea behind the clock is a circle with a circumference of 72cm (28.3465 inch’s) that ticks at 1cm every ten minutes which means every 72 ticks will equal 12 hours making it a 12 hour clock. ”
 


July 19, 2016

SwagBot is Herding Australian Cattle

at 8:04 pm. Filed under Cool Gadgets, Insane Equipment

SwagBot is Herding Australian Cattle

 

Automating crop harvesting is one farming duty that robotics is good at but dealing with animals that are lose in a field is another story. The SwagBot is a robot that will soon be tending to the animals in the field.

Via: IEEE Spectrum

“SwagBot is designed to “work in highly undulating terrain, for the purposes of supporting farmers in grazing livestock operations,” Dr. Sukkarieh told us. The robot is electric, with a rugged waterproof chassis that can deal with almost anything Australia can throw at it. It’s not autonomous yet; it just uses vision right now to see the animals, but the researchers are working on figuring out what kinds of sensing systems they’ll need to do a variety of different activities.”

 

July 8, 2016

Monoprice MP Mini 3D Printer

at 8:43 am. Filed under Cool Gadgets

Monoprice MP Mini 3D Printer

 

This might be the time to jump onto the 3D printer bandwagon. The place that provides cheap good quality cables looks to now be the place to pick up a cheap and reliable 3D printer. At $200 it has some features that you wouldn’t expect to see such as a nice full color display to view settings such as platform temperature so you can easily keep your eye on the status. Looking for a review, Hackaday did a good one.

 

“Features

  • Heated aluminum build plate nozzle cooling fan for printing all filament types
  • Fully assembled and factory calibrated so you can start printing right away
  • Complete kit with sample PLA filament, bed scraper, and MicroSD™ card with preloaded model files
  • Micro USB and MicroSD card connectivity
  • PC and Mac® compatible
  • Compatible with Cura, Repetier, and other software”

 

 

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