Hacked Gadgets Forum

April 21, 2016

DIY Volume Control Builds

at 12:22 am. Filed under Computer Hacks, Cool Gadgets, DIY Hacks, Electronic Hacks

 

 

If you are tired of reaching for your tiny volume control knob to adjust your music when using your computer look no further than these projects by Engineering Nonsense and DIY Perks. The top one uses a DIGISpark board and a rotary encoder to adjust the volume via USB and the one below uses a potentiometer to adjust the analog output of your signal feeding your amplifier.

 

 


April 15, 2016

LiPo Battery Danger

at 11:04 pm. Filed under Electronic Hacks

 

LiPo batteries are used everywhere. You might think twice before you toss them around like the regular alkaline batteries that are much safer and very common. GreatScott shows us how accurate the built in protection circuits are. You probably won’t be surprised to learn that they are not very accurate and often take much more current than expected to trip.


April 12, 2016

Largest Plasma Arc Vortex Speaker

at 3:47 pm. Filed under Cool Gadgets, Electronic Hacks

 

Have a look at this interesting Plasma Arc Vortex Speaker. Unlike the regular plasma ark speakers that you have seen in the past.

Via: Hackaday
“After replacing the power supply and adding an RC snubber across the flyback transformer primary, my plasma speaker is already much louder. The addition of a more powerful PSU, it allowed me to also reduce the number of turns on the primary, which increased the voltage output. The RC snubber not only protects the MOSFET from the inductive spike of the flyback transformer, but it also drastically reduces the ringing associated with the capacitance between the MOSFET drain and source and the leakage inductance of the flyback transformer. The music your hear is only from the arc and nothing else. There are no other sources of music in the room. It works by using a 555 timer to convert an audio input signal into a frequency modulated signal used to drive a flyback transformer.”

 


March 30, 2016

Soldering Reflow Oven

at 7:15 am. Filed under Electronic Hacks

Soldering Reflow Oven

 

Here is a project to get your SMD projects built with ease.

Via: Electronics Lab

“This particular instructable is based on the ControLeo2 reflow oven controller by Peter Easton. This is by far the best I’ve come across and the software is fully open source. It can control up to 4 solid state relays (SSRs), a servo motor (to open the door for cooling at the end of reflow process) and a buzzer. Most impressive is that it is self-learning. That means, it can adapt to your oven heating elements and their behavior. ”

 

 

 

March 21, 2016

Apple Recycling Robot

at 2:54 pm. Filed under Cool Gadgets, Crazy Hacks, Electronic Hacks

 

Apple produces a lot of electronics, unlike a pop can something like an iPhone is not the easiest thing to melt down and turn into something new. Apple wants to go green by allowing the recycling of your devices when you are done with them.

“Introduced onstage in a peppy video, “Liam” the robot — more specifically a robotic arm — was specifically developed by Apple engineers to pick apart iPhone and other gadgets, tearing the devices down into discreet modules. These parts, like an iPhone screen or logic board, can then be broken down further to recover materials for reintroduction into the global supply. ”

 


March 17, 2016

Building a 3D LED Spectrum Analyser

at 11:46 pm. Filed under Complex Hacks, DIY Hacks, Electronic Hacks

 

Are you looking for a new project and have 3 or 4 months to dedicate to it this 3D LED Spectrum Analyser Project by Pianistos might be just the ticket. If you don’t have access to some of the equipment that he has it could take even longer though! He is able to make a bunch of jigs that allow him to quickly place and solder hundreds of connections where if you were using helping hands they would not be as accurate and would take 10 times as long. You can grab the software here if you are thinking of building your own. You can see it in action below with some amazing piano work by the project builder.

“I found the 8x8x8 ledcube project really cool but I did not want to blindly copy it because it would not have been new. After thinking a bit I got an idea to build a 3D spectrum analyser that reacts to music and here is the result! It is amazing to play piano with it.

HolKann (alias) is a friend of mine who wrote the code for this project. After I built the spectrum analyser I asked him to help me with the programming and he was happy to work on the project! It was a learning experience for both of us. Of course I had to have an idea on how and what should be programmed before building this thing but I needed someone to write an optimal code in order for the microprocessor to execute the algorithms at the desired speed. After some evenings of programming we finally got this thing working. We squeezed all juices out of the microprocessor to get a refresh rate of 80 fps and a beat response of about 12ms (the time it takes to process the audio signal and to show it visually)! If there is no input signal for longer than 1 minute the spectrum analyser turns off automatically.”

 

February 25, 2016

GFI Circuit Breaker Teardown and Destructive Test

at 10:54 pm. Filed under Electronic Hacks, Teardown

 

 

Mike has taken apart a GFI Circuit Breaker and tested it to destruction. These devices are great to make electricity safer when used in dangerous environments such as beside water sources. They measure leakage current and trip when there is too much running from your hair dryer that accidentally fell into your tub full of water.

“A GFCI works by measuring the current leaving one side of a power source (the so-called “live” or “hot wire”), and comparing it to current returning on the other (the “neutral” side). If they are not equal, then some of the current must be leaking in an unwanted way, and the GFCI shuts the power off. After the problem is fixed, the device must be reset manually by pushing the reset button (the red button in the image shown at right). If the problem is not fixed, the GFCI will keep shutting off.”

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