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All Posts Tagged Tag: ‘bluetooth’

Bluetooth Audio Mod on Car Cassette Player

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My daily commute to and fro college is a long one. Coupled with bad traffic jams in KL, I spend a lot of time in my car. I needed to play my music in the car but that would mean upgrading my old cassette player to a new one. The only feature that I’m looking for is Bluetooth Audio. Most …

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Bluetooth Mini Robot

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Got another new robot kit and decided to create a bluetooth controlled robot with it. It’s from DFRobot and it’s called the MiniQ. Here it is assembled. Created a simple circuit on a donut board with a L293 H-Bridge and Arduino Nano. It is powered by a 2 cell Lithium Polymer battery. Typically each cell provides 3.7V so that amounts …

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Bluetooth Controlled Robot

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Recently I’ve bought a robot base kit from eBay for around RM 50. Similar ones sold here will cost around RM 100. The kit comes with the robot base, two motors with gearbox, two wheels and some mounting accessories. The tamiya motor with gearbox. It’s rated at 230rpm @ 6V. The wheel with matching key slot as the gearbox shaft. …

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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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Arduino Bluetooth LCD

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Did a simple test with the Bluetooth module, send a text from the computer and display it on an LCD. Useful for displaying messages wirelessly, something like the queue counter displays you see in banks. I used the same exact sample code from the Arduino IDE. You can find it in File -> Examples -> LiquidCrystal -> SerialDisplay. Just connect …

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Arduino Bluetooth

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I bought a bluetooth to serial module from dealextreme.com, it allows wireless bluetooth communication between an Arduino and a bluetooth capable device such as a computer or a smartphone. I don’t have the luxury of owning a smartphone so I’ll just be using my computer. The price is USD 8.60 which translates to around RM 27. Dealextreme provides free shipping …

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