Clik here to view.
Sites com milhares de modelos 3D gratuitos para download
Se você está procurando modelos de algum objeto em 3D então é provável que você encontre neste site: http://archive3d.net Outro site que também possui muitos modelos é o grabcad: http://grabcad.com
View ArticleClik here to view.
Converting audio to MIDI or decreasing podcast size to few bytes
I was looking for a way to converting audio (WAV file) to MIDI files then I discovered the “waon” project: http://sourceforge.net/projects/waon/ Using it I can convert wave files to mid files. First I...
View ArticleClik here to view.
Removing space from filenames
Files with spaces on its name are a bad thing, they will not work correctly with some Linux commands and will test your patience. Fortunately there is a simple command to remove it: $ find . -depth...
View ArticleClik here to view.
PCB Checklist
Another post about PCB checklist before sending your design to manufacture your board: http://www.baldengineer.com/pcb-checklist-what-to-check-before-you-submit.html
View ArticleClik here to view.
Updating the LPC-Link of LPCXpresso LPC1115
This is the dmesg log from original NXP LPCXpresso LPC1115: [40022.046785] usb 3-3: new high-speed USB device number 11 using xhci_hcd [40022.175426] usb 3-3: New USB device found, idVendor=0471,...
View ArticleClik here to view.
Como ignorar dependencias dos pacotes deb
Provavelmente você já passou por este problema: ao tentar instalar um pacote .deb o programa insiste em depender de uma versão antiga de uma biblioteca ou outro programa, mesmo funcionando...
View ArticleClik here to view.
FreeCAD: Adicionando o modulo “Drawing Dimensioning”
Se você usa o FreeCAD para desenhos mecânicos, então você sabe que o ponto fraco dele é a criação do desenho técnico (Blueprint) para fabricação da peça. Felizmente existe um módulo escrito em Python...
View ArticleClik here to view.
Como podemos ajudar a criar um Brasil melhor?
Os protestos do dia 15/03/2015 mostraram que os brasileiros estão realmente irritados com a corrupção. Infelizmente a grande maioria dos brasileiros, se fossem políticos, estaria fazendo a mesma coisa...
View ArticleClik here to view.
Usando senhas aleatorias
Quase todo mundo acaba usando uma senha padrão p/ acessar vários sites ou apenas muda parte da senha misturando com as iniciais do nome do site. O risco é que se sua senha for descoberta, em pouco...
View ArticleClik here to view.
The 2 out of 5 coding
Bell Labs developed during the half of last century a coding system dubbed “2 out of 5″. The main idea was to reduce the ten wires used to represent digits 0-9 or just an improvement over bi-quinary...
View ArticleClik here to view.
Como ligar um motor de passo bipolar na placa TB6560-4V3
Conectar um motor de passo na placa TB6560-4V3 é uma tarefa simples, você só precisa tomar o cuidado de ligar os fios A, A-, B e B- nas posições certas. No conector da placa existem as inscrições AP,...
View ArticleClik here to view.
Using OpenOCD to program the LPC1115 LPCXpresso board
Unfortunately NXP uses a built-in programmer in the LPCXpresso board called LPCLink that is not supported by OpenOCD and there is not (AFAIK) an option to replace its firmware. Then I decided to cut...
View ArticleClik here to view.
Converting WAV to MP3 in the Linux’s command line
This is the command I use to convert wav file to mp3, but before running this command you need to remove the space from filename https://acassis.wordpress.com/2015/03/02/removing-space-from-filenames/....
View ArticleClik here to view.
NameError: global name ‘base’ is not defined
I was facing this error: $ python Spectrogram.py Traceback (most recent call last): File "Spectrogram.py", line 22, in devices = SerialPortDevice.enumerate_devices() File...
View ArticleClik here to view.
error: ‘APR_STATUS_IS_SUCCESS’ was not declared in this scope
I fixed it this way: #ifndef APR_STATUS_IS_SUCCESS #define APR_STATUS_IS_SUCCESS(s) ((s) == APR_SUCCESS) #endif
View ArticleClik here to view.
error: undefined reference to symbol ‘apr_hash_first’
I fixed this error adding these parameters to gcc command line: ... -L/usr/lib/x86_64-linux-gnu/ ... -lapr-1
View ArticleClik here to view.
error: undefined reference to `get_crc_table’
I was facing these errors: : undefined reference to `get_crc_table' : undefined reference to `inflate' : undefined reference to `crc32' : undefined reference to `deflate' : undefined reference to...
View ArticleClik here to view.
How to install an old Debian version in the VirtualBox
1) Download the Debian netinstall CDs 2) Create a new machine in the VirtualBox select Debian 32 or 64 bits (needs to be same arch of downloaded netinstall CD). Select about 512MB of RAM or more and...
View ArticleClik here to view.
Compiling Lintouch in the Debian Squeezy
This procedure was performed inside a VirtualBox machine running Debian Squeezy (installed from debian-6.0.10-amd64-netinst.iso) in a 64GB virtual disk. First step: install all development packages: $...
View ArticleClik here to view.
VSCP: Very Simple Control Protocol
I found about VSCP (www.vscp.org) in the Twitter and just start reading its specification and documentation. VSCP is a control protocol developed by Åke Hedman since 2000, then it is about 15 years...
View Article
