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Category Archive for: ‘Arduino’

Arduino Controlled by Visual Basic Program

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Before this I’ve always used the Serial Monitor of the Arduino IDE to communicate with the Arduino. Actually what the Serial Monitor does is basically reading or sending data through the Serial interface. In my future project, I want to create an application in the computer that allows the user to click some buttons to control the Arduino. Currently, the …

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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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Arduino Nano Revived! (Part 2)

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I bought my Arduino Nano V3.0 from Ebay and it arrived dead. This is Part 2 of my encounter with the Nano. If you’ve not read Part 1, I strongly recommend you to do so here. Thank you. So I got my new Uno R3 and the first thing I did was trying to burn a bootloader onto the Nano. …

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Faulty Arduino Nano (Part 1)

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What I’m writing on this post happened a month ago and it was before I got my Uno R3. After much hassle I’m finally able to share this with you all. I ordered an Arduino Nano V3.0 on Ebay. The seller is from Hong Kong and it took around 2 weeks for it to arrive. It’s not a genuine Arduino though, at …

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LCD Smartie through Arduino

Lcd Smartie Arduino

I’ve talked about LCD Smartie a few posts ago but that was connected through the Parallel port. If you’ve not read it, please do so here. As parallel ports are getting more rare each day, computers start losing parallel ports and electronics will have to move on to a new interface. LCD Smartie is a relatively old project but because …

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Arduino Interfacing with HD44780 LCD

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In a previous post, I’ve shown that the HD44780 LCD can be interfaced by a computer. Please read it here if you haven’t done so. Mostly these LCDs will be interfaced by a microprocessor or a microcontroller in embedded systems. To program a MCU to interface with an LCD is relatively simple once you’ve read the datasheet. But unfortunately the LCD …

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