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12 Dec 2010

DesignWorks Professional 5 offers you the best user interface for schematic capture. The program is designed to minimize the number of mouse clicks and key strokes needed to complete a task. Most common operations, like placing a part or drawing a signal line, require no menu selections and no command typing. The powerful scripting system provides seamless integration with all your engineering tools.

DesignsWorks Professional 5 – [Link]

12 Dec 2010

This project is a part of the Biorobotics research activities at the AILab of the University of Zurich. The main objective of this project is to explore the design principles of biologically inspired legged running robots. In particular this project focuses on a minimalistic model of rapid locomotion of quadruped robots inspired by biomechanics studies. The goal of this project is, therefore, to achieve technology for a form of rapid legged locomotion.

Running Dog Robot Project - [Link]

12 Dec 2010

This device monitors household power usage and logs it to an SD card. A simple analog front-end amplifies the signals from voltage and current detectors and an ATmega168 microcontroller computes the power consumption using the formula P=V*I. The voltage and current are each sampled at 9615 Hz so the integration should be fairly accurate even for highly non-sinusoidal loads such as computers or fluorescent bulbs.

An AVR-based power usage logger – [Link]

12 Dec 2010

PicCon is a PIC microcontroller based radio controller designed for hidden transmitter hunting. When combined with a radio transmitter, it will produce tone sequences and Morse code messages at user-programmed times. It is completely field programmable via DTMF tones, utilizes EEPROM for all programmed options so they are remembered when power is removed, and is quite compact.

PicCon : Hidden Radio Transmitter Controller – [Link]


12 Dec 2010

This project is able to power a USB device using two standard AA batteries and an electronics circuit. The circuit is based on LT1073 DC/DC converter to convert the 3V to 5V needed by USB. In that way it can power the USB device on the go.

USB Battery Pack - [Link]

12 Dec 2010

This article discuss what the AREF pin is, how it works and why you may want to use it. AREF pin is the analog voltage reference pin and used when using an analog-to-digital converter. AREF is set according to the measuring signal. [via]

Tutorial: Arduino and the AREF pin – [Link]

11 Dec 2010

This project is Arduino based water tank level indicator. It uses a device called a differential pressure transducer to measure the water pressure at the bottom of the tank, and from that to calculate how full the tank is. Water pressure increases by about 9.8067kPa per meter of depth so a full tank 2m tall will have a pressure at the bottom of about 19.6134kPa above ambient atmospheric pressure. [via]

Arduino based Water Tank Depth Sensor – [Link]

11 Dec 2010

This project shows how to make blinking LEDs to music. It’s a simple project for anyone with some electronic skills. Plug this circuit into an audio source and the LEDs will blink to the rhythm of the music. The circuit is using the voltage from the audio input to activate a transistor and turn on the LEDs.

Blinking LEDs to Music - [Link]

11 Dec 2010

TI has released GRACE , a graphical configuration tool for MSP430 and Launchpad developers for setting up integrated peripherals such as ADCs, OpAmps, Timers, Clocks, and other modules. This tool is a free and open source, eclipse-based plug-in for Code Composer Studio. Code Composer Studio v4.2.0.11017 is required for the plugin to work correctly. The Grace Beta currently supports all MSP430 Value Line devices (MSP430G2xx) as well as the MSP430F2274 device. [via]

GRACE: TI’s MSP430 graphical peripheral config tool - [Link]

11 Dec 2010

In this article Michal Zalewski shows how to build a Threat level indicator. Michal painted the back of some plastic black and then used a CNC machine to mill the letters into the painted side. Then it can can easily be back lighted using some LEDs. There is also a knob to select the threat level. [via]

Threat level indicator - [Link]



 
 
 

 

 

 

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