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Monthly Archive for: ‘February, 2013’

PCD8544 Nokia 3310 Graphical LCD

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Remember the good old Nokia 3310? For display, it’s using a Philips PCD8544 Graphical LCD. It features a whopping 84 x 48 pixels of resolution to ensure true clarity when playing Space Impact or Snake II 😀 Apparently now you can buy a module with this graphical LCD on it for around RM 10 shipped from China. Well, if you …

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Arduino + Visual Basic : Servo Control

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To start off, here is a demo video on how the program works. Servo motor provides angular control to users, and unlike normal DC motors, it can only rotate from 0 to 180 degrees. It is very accurate and are often used in robotic applications. Normally every servo motor has 3 connections, 5V (Red), Ground (Black) and Signal (White). The …

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Bluetooth Controlled Relay

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A relay is an isolated switch, there is no connection between the switching device and the connection. Relay is often used when controlling high voltage devices so that the intricate low voltage devices will not be damaged. There are many types of relays but the most commonly used ones are electromechanical relays. They are cheap, simple and provide very good …

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