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14 Feb 2011

This project is about a quiz game that delivers electric shocks. It’s Flash based and uses an Arduino to control the hardware.

By now, maybe you are wondering: “What’s a Q&D-Poor man’s-Skinner-Sadist-Jeopardy game?, do I need one?, is it for me?” well, if you are ready to start an epic journey to the world of power, irresponsibility and electronics to create a device capable of make the players learn something by the always effective power of pain and shame… you might be ready to receive the knowledge.

Q&D-Poor man’s-Skinner-Sadist-Jeopardy game – [Link]

14 Feb 2011

Free Downloadable Resistor Value Computer - [Link]

14 Feb 2011

rsdio presents: 1-Wire network via an SPI-compatible display controller.

To produce the 3-wire SPI™ interface required by a MAX7221 display controller (active-low CS, DIN, and CLK), this 1-Wire network serially addresses three 1-Wire switches (DS2413). The first switch creates Chip Select directly (active-low CS), the second creates the serial-data line directly (DIN), and the third switch—with the help of three exclusive-OR gates—creates the serial clock (CLK).

App note: One-wire control of SPI peripherals – [Link]

14 Feb 2011

dangerousprototypes.com writes:

BrianH has posted a useful Instructables project that tests the capacity of rechargeable NiMh and NiCd batteries. The circuit is based on an Atmega168, and functions by draining the AA batteries (from 1 to 3 batteries) then computes and reports the capacity in mAh. It uses a Nokia 5510 graphic LCD to report battery condition and three MOSFETs used to switch the resistive load on and off during testing.

Capacity tester for rechargeable batteries – [Link]


14 Feb 2011

dangerousprototypes.com writes:

echOs built a CW (Morse code) transmitter using a TI launchpad with a minimal amount of components. Only capable of low power transmitting, this would be use full for finding that lost high altitude payload, or fox hunting.

TI launchpad as morse keyer – [Link]

13 Feb 2011

Bridge from USB to I²C: [via]

This circuit provides a direct I²C interface to your PC’s USB port. A USB to 1-Wire® dongle supplies the PC with a 1-Wire master, which controls a 1-Wire I/O extender. This I/O extender has two bidirectional open drain ports, which the PC can write to and read from. By generating the right logic signals on these two ports, the PC can emulate an I²C master.

Bridge from USB to I²C – [Link]

13 Feb 2011

Brain Hack from kitschpatrol on Vimeo.

dangerousprototypes.com writes:

Frontier Nerds have been experimenting with brain wave tech as part of their Mental Block project.

In this well documented project they take the headset from Mattel’s Mind Flex game and hack it to communicate with an Arduino board to measure brain waves and display their levels graphically on a PC via Processing. They chose the Mind Flex device because the board gives access to the FFT of the waves and the relatively low hardware cost.

Brain wave monitor with Arduino + Processing – [Link]

13 Feb 2011

dangerousprototypes.com writes:

vladutz2000 has published plans for an overclocked Atmega32 based 8-bit game system. Dubbed the Penguin, this project runs the chip at 27 MHz instead of the usual 16 MHz and uses a 128×64 monochrome KS0108 based display along with a speaker and handful of resistors and pushbuttons. The schematic couldn’t be simpler and it, along with the source code written in Mikroelektronika MikroC pro for AVR v1.45, sprite and modeling tools are available on Sourceforge.

Penguin Atmega32 game system - [Link]

13 Feb 2011

dangerousprototypes.com writes:

Inspired by the business card web server designed by our own Ian, Arthurb created a development system based around the pic 24f and enc28j60. With multiple daughter cards, for touch sense, serial lcd, temperature sensor, keyboard and monitor. this seems to be a versatile system for development.

Pic web development board – [Link]

13 Feb 2011

Return-to-Zero is a series of electrical engineering comics that will be a hit among the electrical engineering community. eeweb.com writes:

We bring to light the “Engineers World” with lab humor, exploding circuits and of course making a sport out of solving the trickiest of engineering problems.

Read Media Kit

Return-to-Zero: electrical engineering comic strip – [Link]



 
 
 

 

 

 

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