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Tinkerlog

Alex’ blog

Entries Tagged as 'sound'

Tengu clone on PCB

May 3rd, 2008 · 40 Comments · PCB, avr, led, sound

This is a new version of my Tengu clone. This time on a printed circuit board (PCB). I have them produced by Olimex and I am very pleased with the quality. The PCB worked on the first try and has some minor issues only.

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Arduino XMAS hitcounter

December 4th, 2007 · 49 Comments · Arduino, sound

Christmas is coming closer, so here is my contribution to put you in the right mood.
It is a blog hitcounter, that rings a bell. Literally. It puts a smile on your face, every time someone hits your blog. And it is a great way to annoy your colleages or your girl friend.
It consists of an [...]

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Tengu clone update

November 10th, 2007 · 6 Comments · avr, led, sound

I just finished the tengu clone on a prototype board. Here are some pictures.

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DIY Tengu on a breadboard

October 22nd, 2007 · 51 Comments · avr, led, sound

When I first saw Crispin Jones Tengu, I was sure, I must have one. If you don’t know tengu and don’t want to follow the link, it’s a small face, made of LEDs, that reacts to music and sound.
It did not take long until I decided to clone this funny little device. All it needs [...]

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Cheap Sound Sensor for AVR

May 20th, 2007 · 47 Comments · avr, sensor, sound

I searched the web for a cheap method to let the ATmega respond to sound. My knowledge in analog circuits is very limited, but what I do remember, is that you can not attach a electret mircophone to a controller pin. The signal of the microphone is just too small and has to be amplified. [...]

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