Incredible DIY
Sunday, October 8, 2017
NeoPixel RGB LED testing with Raspberry PI 3 without logic level shift
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Recently, I learned that, there are RGB LEDs called NeoPixels with a kind of one wire interface built-in to change the colour of the LED by...
Sunday, September 28, 2014
Sinhala font installation on Sony Xperia V (Android)
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You can install any Sinhala font from your mobile itself and use it in any browser you like with following instructions. Preparation: 1)...
Monday, March 17, 2014
Experimenting Near Field Communication (NFC) with NXP MIFARE MF1S50 tags with Sony Xperia V
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I have a Near Field Communication (NFC) capable Sony Xperia V mobile phone and I was able to communicate phone to phone. Then, I found som...
Thursday, January 2, 2014
Gerber viewer for your Android mobile phone
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When we are working with PCB fabrication systems, " Gerber " files are widely used as the input to the fabrication device from the...
Interfacing sensors from Android mobile phone via Bluetooth
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Most of the Android powered mobile phones have many in-built sensors. Android API gives us access to these sensors in API level without low...
Modifying cheap servo motor for continuous rotation
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You can buy cheap servo motors from ebay for a price of less than a gear motor. But these servo motors can't be used for continuous moti...
Tuesday, August 20, 2013
Ultrasonic distance measurement using HC-SR04 ultrasonic module + Arduino Pro
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Ultrasonic sensors (Ping sensors) are widely used in distance measurement as they are cheap and has a quite good accuracy. I got this cheap ...
1 comment:
Thursday, August 8, 2013
Computer controlled automated guided vehicles (AGV) using Parellel port interfacing
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As we built a relay board to interface with " parallel port " in my earlier post. Today I'm going to talk about the control s...
RS-485 Communication testing with MAX485
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As we know about RS-232 communication protocol, I'm going to try RS-485 communication between two nodes. RS-485 can support multiple s...
3 comments:
Tuesday, July 2, 2013
Writing and testing Linux kernel modules for Android
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We compiled and installed some modules in Linux kernel in previous post . Here I'm going to write my own kernel modules and do the same....
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