CircuitGeek

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Entries for the ‘Arduino’ Category

DIY Moment – The Fun Arduino Drum Machine

Drum machine is an essential electronic musical instrument, especially for the drum fan that enjoys the drumbeats all day long!
In general, drum machine is a very useful instrument for a wide variety of musical genres, as it’s also a common necessity when session drummers.
Technically, most of the modern drum machines are sequencers with a sample [...]

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The Compact-sized Arduino Laser Camera Trigger

Ok, it isn’t a brand new thing, since there are over hundreds of Arduino powered camera trigger being introduced on the market. However, it always fun and excited, especially if you’re built the Arduino powered camera trigger by your own!
For this interesting project, all you need to prepare is an Arduino laser pointer and digital [...]

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CaTaLOG – The Smart RFID Cat Tracker

Many pet owners, especially the cat lovers, they’re always curious about the daily life of the little fluffy friend. Honestly, the cat owner cannot keep their eyes 24/7 on the cat, as the cat also needs some privacy as we do! However, as a cat owner, we have the responsibility to take a good care [...]

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Doorbell Phone – The Beautiful Combination of Past and Present!

Have you ever thought of combine the past and present together? It might be seem impossible to do it, but honestly, it was not as difficult as you think here!

Take a good look on the above figure; it is one of the Ericsson earliest phones. This model (Ericsson DE200) was actually from the 1930s or [...]

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The Best Ways on How to Triggering the Camera’s Flash!

Has anyone of you here a vivid photographer, which is spending most of your time in how to catch sharper and more beautiful photos? Well, if you did, then you should have a sit here, as today you’ll learn how to make the sensor to trigger a camera’s flash using a microphone or cheap laser [...]

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The Marvelous iPhone-Controlled R/C Car!

Are you interested on the controlled R/C car? If you did, then do you ever modified or developed your very own iPhone-Controlled R/C car before?
You must be wondered, “Nah, it’s impossible to control the R/C car with iPhone!” Well, if you have this kind of thought, then you should better think again…
For your information, there [...]

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No Hassle with This 3 Wires Interface for LCD Display

Are you want to create a 3 wire interface for LCD display, but you don’t want to burn too much of money buying the expensive electronic components? If you answered yes, then this post is what you’ve looking for.

Firstly, we’re using the 4 bits in wiring LCD display. Therefore, we must try to group the [...]

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