TP-Link 2.4GHz 8dBi Indoor Omni-directional Antenna TL-ANT2408CL Review

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This is a review of the TP-Link 8dBi Antenna. If you haven’t check out my review of the TP-Link High Power Wireless USB Adapter, please check it out here.┬áBesides lending me the USB adapter, my friend also lend me this antenna. It cost him RM28 to buy and it promises better signal strength compared to the standard antenna. I’ll be …

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Arduino Voltmeter

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I’ve been experimenting on ADCs alot recently and I suddenly thought of doing this small experiment. I’ll try to turn my Arduino into a voltmeter by using its’ analog input and the very powerful map() function. I’ll be using a HD44780 character LCD to display the voltage output and a 10k potentiometer to vary the input voltage going into the …

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TP-Link High Power Wireless USB Adapter TL-WN7200ND Review

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This review is made possible thanks to my friend, Kiang Loon who’s kind enough to lend this to me. Let’s jump right into it shall we. In the box, you will find the USB Adapter itself, a 5dBi antenna, a USB cable and some documentation. Actually earlier on my friend wanted a high power wireless USB adapter because his laptop …

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Microchip PIC16F877A ADC Configuration

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I’ll admit that the datasheet is very confusing especially for beginners like me. In this post, I’ll attempt to summarize everything I know about the ADC on a PIC16F877A and hopefully it will be informative to my dear readers. First and foremost, we must have a clear picture on what the built-in ADC is doing. Think of it like there’s …

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Writing code for PIC Microcontrollers in C (Hi-Tech C Compiler)

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I’ve always wanted to learn how to write PIC programs in C. You might think that’s odd but I was taught how to write in assembly language and not C unlike other universities or colleges. Most of the time it’s the other way around. Learning assembly code is a good thing actually because these C code will eventually be translated …

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Fritzing, another schematic/PCB software

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In an older post, I talked about using EAGLE to draw out schematics and PCBs. Please check it out here. I’ve stumbled across another software and I found it to be very interesting. Have you ever gone to the Arduino.cc website and stumbled across graphical schematics like these : And also the schematics I’ve drawn in a previous post? : …

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