Simple Component and Continuity Tester - do it yourself

Simple Component and Continuity Tester


Shapeoko 2 PCB Bed Leveling and Spindle Guard - do it yourself

Shapeoko 2 PCB Bed Leveling and Spindle Guard


Making an Arduino RTC Shield - do it yourself

Making an Arduino RTC Shield


Arduino Simon Says Game - do it yourself

Arduino Simon Says Game


ATtiny85 Spectrum Analyzer with fix_FFT - do it yourself

ATtiny85 spectrum analyzer for music to RGB LED with FFT

Excited with the new discovery of FHT library. Yours truly definitely want to give it a try on an ATtiny85. After hours massaging the code to make it to work, sadly, none come to functionality (yet). According to this site http://forum.dev.arduino.cc/index.php?topic=26175... ATtiny has as small footprint ""ATtiny85 on-board, 8K of flash, 512 byte of SRAM, 512 bytes of EEPROM"" hence can't work with FHT. However, yours truly beg to differ. He noticed that some code in the FHT.cpp can't compile due to reduced instruction sets on ATtiny85. More about that after some workaround can be found.

Nonetheless, yours truly really want to have some fun with sound to light on Arduino's poor cousin, the ATtiny85. Life is so boring without some LEDs' goodness. Just come to recall that, years ago yours truly have done a DIY spectrum analyzer using a modified FFT that use 8bits only, runs off an arduino and LOL shield http://shin-ajaran.blogspot.sg/2011/07/diy-arduino-vu-spectrum-analyzer.html. This modified 8 bit FFT came for a forum discussion http://forum.arduino.cc/index.php?topic=38153.0 . Reusing the same library but has to be modified to for Arduino IDE v1.06 and later by replacing with in the fix_FFT library.

Now first, enjoy the end product of this make

Parts list:

1. Electrect and amplifier circuit; reuse the electret amplifier mentioned in an earlier post http://shin-ajaran.blogspot.sg/2014/11/arduino-spectrum-analyzer-for-music-to.html;

2. ATTiny85 breakout board; reuse the MitG PCB which is a breakout board for ATtiny85 made earlier http://shin-ajaran.blogspot.sg/2014/01/setting-up-hardware-for-using-arduino.html

3. RGB LED; a common anode is used

4. Diffuser; a 3D printed LED holder and Fibre Optic cable is used

blog: http://shin-ajaran.blogspot.sg/2014/11/attiny85-sp...

Step 1: Assemble the circuitry

ATtiny85 Spectrum Analyzer with fix_FFT


Push-button Tutorial - do it yourself

Push-button Tutorial


Cessna 172 - do it yourself

Cessna 172


Controlling Motors with Arduino - do it yourself

Controlling Motors with Arduino


Arduino Kitchen Timer - do it yourself

Arduino Kitchen Timer


Programming the TinyBoard - ATTiny85 Development board - do it yourself

Programming the TinyBoard - ATTiny85 Development board


 
 

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