Electronic Hacks

Laser Effects
Cool Gadgets

5

  Youtube user Starcross42 has posted a number of interesting Laser Effects. The Galvanometer laser show is the most complex and is my favorite. Lots more videos after the jump.

Racing Simulator Dashboard Gauges
Complex Hacks

1

  Here is a gamer that installed some new gauges into his rig. The gauges are controlled by an AVR mega microcontroller which has been programmed in C++ and AVR GNU-GCC. “Here’s a quick video of me running no-plate daytona with 100% tape so the motor blows up. The gauge on the left is setup as a fuel gauge since I haven’t gotten a fuel gauge yet. The warning light

DIY Wall-Wart USB Power Supply
DIY Hacks

14

Reverend Jones from the Hacked Gadgets Forum has posted a creative way of making an old wall-wart (plug in power supply) into a useful USB power supply. “Here is a quick and easy way to make an USB charger/power supply powered by the wall outlet. This can be used to charge/power a PSP, iPod or any other USB device. First you need to acquire a regulated 5 vdc wallwart rated

Case Light - ATX Power Supply LED Power Indication
Computer Hacks

3

Bill from DSE GLOBAL has created a tool called the Case Light that will ensure you don’t forget to remove power from your motherboard before you work in the case. Modern motherboards are still live when your computer is shut down and some don’t have any LED indication of the lurking power… Read More “In the picture you can see a modified ATX extension cord that reroutes two ATX signal

Morse Code Translated to Text and Speech
Complex Hacks

1

So you think that text to speech is cool? What about Morse Code to Text to Speech! This is a great example of the ingenuity found in the Cornell University ECE 476 Microcontroller Design Final Projects. “To implement our Morse Code system, we had to use both hardware and software. Since the Morse Code audio was that of a 750 Hz sine wave, we had to build a Schmidt Trigger

PIC16F84A Disco Light
Complex Hacks

1

This PIC microcontroller Disco Light looks like it produces the same effect as the professional ones costing big dollars. “This is an early picture of my discolight effect. Because of the AGC circuit theres no need for potentionmeters for sensitivity adjust. I replaced them with trimmers. Now the microphone is on the control electronics because theres no need to place it outside the box and the possible noises from the