Category Archives: Design Challenge

Solar Charger Using 555 : Simplest Approach to Battery Charging

We came across an innovative Solar Charge based on 555 developed by Michael Davis. The best part of the design is that its so cost constrained/ Low Cost that any one in any place in the world can build this … Continue reading

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Posted in 555, 555Contest, Circuit Design, Design Challenge, electronics, innovation, renewable energy, solar | 1 Comment

AM Radio Receiver using 555: Simple RF

We found a nice 555 based AM radio with improved designed by Eric for his 555 Timer Contest Entry. [Source: http://tubetime.us/?p=85%5D The best part is the new demodulation circuit used. [Source: http://tubetime.us/?p=85 ] Here is the Description of the Circuit: … Continue reading

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Posted in 555, 555Contest, Circuit Design, Design Challenge, electronics, innovation, RF | Leave a comment

Pro-Mboard: Development Board for Mbed Preview Pictures

Recently, We were able to Soldered and test the Pro-Mboard that we posted earlier. Here are a few Pics: Top View Bottom View However we quickly noticed a problem that the Rev0.1 had a non connected ground in USB connector … Continue reading

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Posted in ARM, Design Challenge, Development Kit, electronics, embedded, FT232, innovation, LPC, mbed, NXP | Leave a comment

Pro-Mboard: Development Board for Mbed

We designed a board to help us in prototyping the Mbed board out side the bread-boards.When we started out prototyping using Mbed we realized that all the boards available for Mbed were either needed to shipped from outside or we … Continue reading

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Posted in ARM, Design Challenge, Development Kit, electronics, embedded, FT232, innovation, LPC, mbed, NXP | Leave a comment

Debounce a Button: A Common Problem

De-bouncing a button has been a challenge for any embedded engineer. Well not to say “challenging:, it is always a nagging stuff. Some time you trade with time, code space or some other resource. Hack-A-Day organized an event to collect … Continue reading

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Posted in Design Challenge, Energy Efficient, hacking, open Source, Simulation, software, tricks, tutorial, utilities | Leave a comment

Sintel: Open Source Wonder Movie

Got to watch this: http://www.youtube-nocookie.com/v/eRsGyueVLvQ?fs=1&hl=en_US&border=1 “Sintel” is an independently produced short film, initiated by the Blender Foundation as a means to further improve and validate the free/open source 3D creation suite Blender. With initial funding provided by 1000s of donations … Continue reading

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Posted in Blender 3D, Design Challenge, innovation, LINUX, news, open Source | Leave a comment

TI’s Flying Mouse – A Chronos Miracle

I came across an innovative application of Wireless, Accelerometer and Microcontrollers. Its called the TI’s Flying Mouse. http://www.youtube-nocookie.com/v/TDL3JRG_zrs&hl=en_US&fs=1?border=1 This is built around the Chronos Ez430 RF Development kit. This basically is a 868MHz/915MHz RF band link with the CC430 based … Continue reading

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Posted in Design Challenge, electronics, embedded, innovation, MSP430, Technology, TI, utilities | 2 Comments

VI.K.A.S Updates – V

Getting slow on the updates.Well best is that VIKAS was selected for the LPC1100 Design Challenge in the Top 10 contestants for Phase III of the contest. However need to withdraw due to troublesome emails and calls from the website. … Continue reading

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Posted in Design Challenge, electronics, embedded, innovation, LPC, LPC1100, VIKAS | 1 Comment

VI.K.A.S Updates – IV

Now Nokia 3310 LCD is working with multi-line display. Need to work on the Fonts side since they are too small. At least an 8×8 font is needed to have better user experience. Also working towards converting the conventional Reg … Continue reading

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Posted in Design Challenge, electronics, embedded, innovation, LPC, LPC1100, VIKAS | Leave a comment

VI.K.A.S Updates – III

Now EEPROM 24LC16 I2C driver is working. Also the UART has come alive with both receive and transmit working. The PSU now uses a TPS7333 a nice 3.3V regulator from TI. Need to check out the display now.

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Posted in Design Challenge, electronics, embedded, innovation, LPC, LPC1100, VIKAS | Leave a comment