Saturday, July 25, 2015

PL2303 - USB to UART Converter for Arduino Pro Mini

PL2303-CONVERTER.JPG

This is what you get from ebay for a very cheap price

Most cheap PL2303HX USB to UART adaptors from ebay usually don’t have DTR pin to upload sketch easier to Arduino Mini Pro.
This post will show you how to mod this little adaptor to play nice with arduino mini pro. It should take about 10 minutes and require good solder skill.
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Friday, May 15, 2015

Arduino Analog clock with DS1307

arduino_my_name_analogclock.png

Another experiment with Arduino based on experiment with TFT 240×320 display using driver chip ILI9341 and DS1307 real time clock module.

Turn out this can be a nice analog-clock on my desk to replace the widget analog-clock of windows 7.

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Friday, May 8, 2015

240×320 2.8” TFT Display breakout using driver ILI9341

9341breakout1.jpg

Playing around with 2.8” TFT display with driver ILI9341 from ebay. This one has SPI connection and SD card reader built-in at the back of this TFT display. I choose the display without touch-screen because I don’t need it for my next project.

But it seems I always have trouble with things from ebay: this TFT display using driver ILI9341 that accept 3v3 signal and the module doesn’t come with a level conversion chip like this LCD Shield using driver 4535.

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Monday, April 20, 2015

240×320 2.8” TFT Shield driver 4535 for Arduino

4535shield3.jpg

For the first time having experience with arduino and TFT screen, a TFT display shield should be better than a breakout TFT display, because a shield is something that made for plug-n-play, like a usb thing, just plug it in the computer and it works right away.

That what I thought when I bought this shield.

But I was wrong.

It is the cheap TFT display you will get from ebay. There are serveral models using different drivers - mine uses LGDP4535 - that looks like the picture above.

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Tuesday, August 13, 2013

Nikon D5100 - Entry level Camera

iamnikond5100.jpg

Bought a D5100 about a year ago. It is an entry level / consumer level DSLR and yet it is a powerful one. The wonderful thing of SLR / DSLR is that you can change the lens. I like Nikon for it’s compatible of wide range of lens including very old manual lens from the 80’s with superb image quality for very low price.

By the time I bought my D5100, its about 14.000.000vnd ~ US$ 700 come with 18-55mm VR kit Lens. Good enough for a newb like me.

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