Hacked Gadgets Forum

May 29, 2016

18 Year Old Computer Collector Buys a IBM z890 Mainframe

at 4:00 pm. Filed under Computer Hacks, Insane Equipment, Vintage Electronics

 
At 18 years of age he has already been collecting for years. Most of his collection are things like Commodore and Apple computers. These can sit on a shelf and be moved around with ease. When he saw an IBM z890 Mainframe up for grabs he jumped on it. With a bit of excavation he was able to get it into his parents basement.

 


May 28, 2016

IOT Long Runtime

at 6:18 pm. Filed under Cool Gadgets, DIY Hacks, Educational, Electronic Hacks

 

 

With the adoption of IOT long runtime on battery power is something that is a huge concern. We don’t mind charging our smartphones daily but if we have a dozen IOT devices in our home we would like them to be invisible and just operate for as long as possible without needing attention. Andreas Spiess has done some research using the popular ESP8266 and a variety of batteries. In his test he was sending data to an IOT database every 2 minutes but for many cases you may only need the device to wake and transmit once per hour, this would greatly extend the battery life.

 

 

 

 


May 25, 2016

Huge Welder, High Current Tester

at 7:15 pm. Filed under Cool Gadgets

 
John Ward shows us his new test device. Not exactly a bench mounted piece of gear! This Oil Filled Oxford Welder can be used in cases where you need to pump out some serious current, this is ideal to test to destruction items such as wires, extension cables, plug in connections etc. JW has performed many of these tests in the past. Photonicinduction has taken a look at the inside of one of these in the typical over the top fashion. This thing is built like a tank, not sure what the working duty cycle is but I wouldn’t be surprised if it wasn’t 100% at most settings.

Power cords typically use copper as the conductors, the copper would represent a large portion of the cost so if a company wants to shave some of the production cost down goes the conductor diameter. Check out the junk power cord that John Ward tests to destruction below.

 

 

Typical test that this welder can be used for:


May 23, 2016

Carbon M1 Printer Demo

at 1:41 pm. Filed under Insane Equipment

 

Tested got a look at the new Carbon M1 3D printer. They are still a bit secretive on some of the special sauce that differentiates it from the competition but their technology allows the system to print very quickly. It looks almost magical since the part grows out of the media dish. This is because the projection system is at work in the base and works by interacting with the media at the bottom of the transparent media container. The build platform lifts the fused 3D part up and out of the dish as it is created. The materials that they can print range from rigid to very soft and flexible. The idea is that the machine could be used to make production parts on demand, instead of warehousing a large number of parts a company could have the design files and a printer that can print on demand.

HARNESSING LIGHT AND OXYGEN TO PRODUCE OBJECTS FROM A POOL OF RESIN, CLIP is a photochemical process that eliminates the shortcomings of conventional 3D printing by harnessing light and oxygen to rapidly produce objects from a pool of resin. From everyday products like tennis shoes and electronics, to industrial components, to highly customizable medical devices, CLIP makes it possible for creators to design the parts and products of the future.

 

 

Name the Thing Contest – 296

at 11:21 am. Filed under Contests

 

guess_this_296

 

The prize this week is a HMC5883L Triple Axis Compass Magnetometer Sensor so you can add some directionality to your next project. This contest will run for one week (May 23 – May 27, 2016). Ending time is based on central standard time. To enter, identify the item above and what it can be used for.

Please do not give the answer in the comments.

Send an email to contest @ hackedgadgets.com with “Name the Thing Contest” as the subject, and the message body consisting of:

  • The name of the item in the above picture
  • An example of what the item pictured above can be used for

The winner will be chosen at random from all of the correct entries.

Below is a picture of the prize.

 

electronic_compass_2

 


May 22, 2016

Spring 2016 Cornell University ECE 5760 Advanced Microcontrollers Final Projects

at 8:09 pm. Filed under Cool Gadgets, DIY Hacks, Educational, Electronic Hacks

flowchart

 

It is that time again! There is a new batch of Cornell University ECE 5760 Advanced Microcontrollers Final Projects. If you have done any PID work in the past the FPGA controlled Magnetic Levitation by Gautham Ponnu, Ryan Land, Nathan Spallone should be of interest. They are using a Altera DE2-115 FPGA board to monitor and control a steel ball about 1mm above the position sensor with great accuracy.
“The LDC1000 inductive sensor from Texas Instruments. This device acts as a mini “metal detector” and tells us, albeit in a nonlinear fashion, the height of the ball. The output is nonlinear because it is measuring the presence of metal through inductance, not the direct elevation of the ball from the sensor.”

 

entire_sch

 

May 17, 2016

SOLAR Powered Plane

at 8:15 pm. Filed under Complex Hacks, DIY Hacks

 

Prometreus has a great concept here. This plane has autopilot and a camera to capture the trip. With a 6 hour 200km range you can certainly cover a huge area.

“A SOLAR powered RC plane flies over 6 hours, only powered by the sun. The plane travels a distance of over 200km. It is self sufficient like the solar impulse system. ”

 

 

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