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A blog brought to you by Jaavin Electronic Solution about electronics and the latest trends in the electronic industry.

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Modbus IO Card Design

Posted by Aravin on July 8, 2014 at 4:35 AM Comments comments (3)

Modbus IO card functions as an interface between main controller and discrete level IO devices such as relays, solenoids and devices with HIGH and LOW inputs/ outputs. Using the robust industry standard Modbus communication protocol, these IO devices can be controlled and monitored remotely by PLC and computers.

Our engineering team have recently designed and developed a simple digital I/O card with modbus and RS-232 com...

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How the Penang Free Trade Zone started?

Posted by Aravin on April 1, 2014 at 2:55 AM Comments comments (0)

I came across an interesting article published in the July 2013 edition of JURUTERA (buletin of the Institute Of Engineers, Malaysia) about the Malaysian Electrical & Electronics Industry. It mentioned about how the Penang Free Trade Zone came about and eventually the growth Electrical & Electronic industry in Malaysia.

Here is a small extract from it (original article and photo by Dato' Wong Siew Hai, Chair of Malaysian American Electronics Industry)

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GPIO Expansion Board - Add Muscle to Your Raspberry Pi

Posted by Aravin on January 23, 2013 at 4:35 AM Comments comments (0)

Raspberry Pi - Image courtesy of en.wikipedia.org

The Raspberry Pi single board computer is a low cost yet a powerful hardware with ethernet, USB, audio, video and HDMI. Although it has many interesting features, there are some limitations when you need to drive relays, motors or LEDs for example. The Raspberry ...

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How to Estimate Static and Dynamic Current Consumption of a Printed Circuit Board?

Posted by Aravin on December 19, 2012 at 8:55 AM Comments comments (0)

By Aravinthan Varatharaju, Electronic Design Consultant in Jaavin Electronic Solution

When designing circuits often the hardware engineer need to know the current consumption of the printed circuit board being designed...

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Getting to know IP address - Vol 1

Posted by Aravin on September 4, 2012 at 4:40 AM Comments comments (0)

This article is contributed by Mr. Lee Heng Wai

Basic IPv4 Address


Why we need IP address?

According TCP/IP model, network layer try to guide the packet from source all the way to the destination


How to achieve it?

Network layer must know topology of network.


Through internet, a computer somewhere in...

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Getting to Know LabVIEW

Posted by Aravin on July 10, 2012 at 12:00 PM Comments comments (0)

On 10th July 2012 we attended the Labview and Fundamentals in Data Acquisition Workshop hosted by National Instruments Malaysia. The venue was at their PJ office.

We were given an excellent overview by the presenter Mr. Manickavasagam Kannappan, NI Field Application Engineer.

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Camera On Your Eye

Posted by Aravin on July 8, 2012 at 11:35 PM Comments comments (0)

First the digital camera, then cameras on mobile phones and now comes camera on glass.

 Soon this humble eye glass will transmute to a hi-tech piece.

Google and Olympus has been working on the prototypes.

Called Project Glass, the idea behind this is you have a wearing glass fitted wit...

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Spray it on any surface and it becomes a rechargeable battery

Posted by Aravin on July 3, 2012 at 2:15 AM Comments comments (0)

Regular batteries may one day become a thing of the past

To make a battery, just spray a chemical substance on any hard surface and it becomes a battery! Now this is what a research team has accomplished. They have successfully air-brushed chemicals similarly found in rechargeable battery almost on any surfac...

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Charging Phone on Thin Air?

Posted by Aravin on June 27, 2012 at 7:30 AM Comments comments (0)

In future you can just place the phone on the desk for charging

If you read my earlier blog post on wireless power transfer 

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Just What is A Smart TV?

Posted by Aravin on June 26, 2012 at 7:40 AM Comments comments (0)

Smart TV is a hybrid between a TV and Internet. A smart TV offers the best in video and internet connectivity at the same time.

The principle behind this is you get to watch anything at any time and not dictated by the TV broadcaster. At the same time you can give comments, feedback, rate on the show you watched and share among your friends just like in the net.

You can discuss the show ‘live&...

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