Hacked Gadgets Forum

August 30, 2012

ECE4760 Microcontroller Lectures Posted Online

at 10:56 am. Filed under Educational


If you want to learn about microcontrollers in a classroom setting but don’t have the time (or money) to attend university lectures you are in luck. Bruce Land who teaches the popular ECE4760 Microcontrolle course has just posted the lecture videos online. This means you can get the benefit of this great Cornell course from the convenience of your own home and it will not cost you a cent.

Watch all the videos here.

RC Car Automation

at 2:39 am. Filed under Cool Gadgets, DIY Hacks, Electronic Hacks, Toy Hacks


Jon Bennett from JBProjects.net has just completed his latest creation. He purchased a cheap $9 remote control car, added a bit of electronics and now has a car that allows complete control using an Arduino. He has PWM control over the motors to give the car some refined control. All of the code has been made available so you could make your own.


August 28, 2012

Upgrade your Computer Parallel Port to USB

at 1:21 am. Filed under Funny Hacks


Who said you need to upgrade your motherboard to get USB? Just buy this $100 adapter and magically upgrade your parallel port to USB. I wonder if it has drivers for the Windows 95 you have on the computer though. I guess another option would be to just purchase a used computer that has USB and 10 times the computing power for about half the price of the adapter. I wonder how many dozens of these they have sold…

Thanks to Dave96z34 for sending in this crazy find.

August 27, 2012

Nøkken 3 ROV – Underwater Exploration Vehicle

at 2:13 pm. Filed under Complex Hacks, Crazy Hacks, Electronic Hacks, Insane Equipment


I enjoy fishing and try to get out at least 2 or 3 times a year. Sometimes the fish are biting like crazy but other times they are just not very active. I think with a Underwater Exploration Vehicle like the Nøkken 3 ROV the fishing experience would be totally changed. I can imagine scouting the bottom of the river looking for the best spot and it would be great to hanging out watching your hook and seeing the fish swimming around it reacting to your jigging.  Eirik Taylor has built many of these ROVs and this time around he decided to solve the large power cable issue. Since he needs a significant amount of 12 volt DC power on the ROV the DC power tether cable needed to be substantial. What he has done is use the unused CAT5 wires to send down 130V DC. These days POE is quite popular but that typical max voltage is around 57 volts. Looks like typical CAT5 cable is rated at 300 volts so as long as you don’t do the tong test on any of the live wires you should be fine. 🙂


August 25, 2012

Tour of Bunnie Huang’s Workshop

at 8:49 pm. Filed under Electronic Hacks


Ian gives us an inside look at Bunnie Huang’s Workshop. I couldn’t quite figure out the voice at the beginning and the end until Chris Gammell ran the credits (I am very sure it’s him). Bunnie sure has some cool tools, he has just picked up some equipment to allow him to reball BGAs, that can’t be easy…  I was surprised to hear that he doesn’t haggle very much, I guess when the price is that good you might waste more time than it’s worth shaving 5 or 10% off the price.

August 23, 2012

Voltmeter Clock that also displays Temperature

at 11:01 pm. Filed under Cool Gadgets, Electronic Hacks



 IronJungle was inspired by my Multimeter Clock when he built his Voltmeter Clock that also displays Temperature. He used a PicAxe as the microcontroller and has interfaced to a DS1307 Real Time Clock and a DS18B20 Temperature Sensor. Three trim pots were used to adjust the meters to full scale in setup mode.



August 21, 2012

Lite Brite LED Clock

at 10:38 pm. Filed under Cool Gadgets, DIY Hacks, Electronic Hacks, Toy Hacks


You probably remember those fun Light Bright boxes that were so much fun to play with. This one looks a lot different than the plain white wedge that I had when I was young, but the concept is the same. Over at Mean PC you can see how a simple  Lite Brite was turned into a Lite Brite  LED Clock. You can see the numerous build videos that take you from the beginning to end.

Thanks for sending this in Lonnie.

“The Arduino lite brite clock basically consists of an Arduino, 46 LED’s, 12 resistors, a Lite Brite and a few other odds and ends. I have the LED’s multiplexed like this: all of the cathodes on each row are soldered together. All of the anodes on each column are soldered together. The LED’s making up the colon are stand alone. Since there are 5 rows and 10 columns, the digits take up 15 pins on the Arduino, and the colon takes up 2 pins for 17 pins total. “


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