Antre du Tryphon

An Arduino library for the MAX7219 Led Display Driver.

July 20, 2014 · claude Arduino

The MAX7219 chip does a wonderful job when its time to drive either a 64 led matrix or an eight digit (seven segments) display. Only three wires are required: a chip select (CS), a data in (DIN) and a clock (CLK). The protocol is simple. I've written...

Trinket Support On Linux

July 3, 2014 · claude Arduino Trinket

The Trinket (Adafruit's Trinket) can be supported on Linux using the Arduino IDE 1.0.5 in only a few steps.

How to restore the Arduino Bootloader?

July 2, 2014 · claude Linux Arduino Hardware

It can be easily done using Linux. This procedure is for the 328p processor. It can easily be adapted for a 168 processor. You will need an ICSP. First, make sure that avrdude is installed. It can be installed by issuing the command: sudo apt-get...

Parametrized Measuring Scoop

June 1, 2014 · claude 3D Printing

This Openscad 3D object generates a measuring scoop. Simply modify the scoop volume (given in milliliters) in the Openscad file and generate the STL file. You will end up with a measuring scoop of the given volume. Other parameters can be modified...

PN532 Breakout Board Mounting Plate

May 29, 2014 · claude 3D Printing

Specially designed for Adafruit's PN532 Breakout Board Mounting Plate (Product 364).

How to rename a user in Linux

May 20, 2014 · claude Ubuntu 11.10 Unix Ubuntu 11.04 +4

Simply issue this command: usermod -m -d /home/new-account-name -l new-account-name old-account-name It creates the home directory if it does not exists. It also copy the stuff of the old user into the new user account.

Enclosure For The Sparkfun RFID USB Reader

May 12, 2014 · claude 3D Printing

This is an enclosure for the Sparkfun's RFID USB Reader (SEN-09963).

preinst: line 118: a2query: command not found

May 4, 2014 · claude Ubuntu Apache Ubuntu 14.04

If you are getting the following errors while trying to install Apache on Trusty (Ubuntu 14.04), execute the commands below and try to re-install it. Preparing to unpack .../apache2_2.4.7-1ubuntu4_amd64.deb ... /var/lib/dpkg/tmp.ci/preinst: line 118:...

How To Restore Skype Status Bar Icon In Ubuntu 14.04

April 28, 2014 · claude Ubuntu Ubuntu 12.04 Ubuntu 14.04

After installing Skype on Ubuntu 14.04, there is no icon in the status bar. To restore it, simply execute the following command: sudo apt-get install sni-qt:i386. This procedure works on the 64 bits version of Ubuntu.

How to change the maximum upload file size in PHP

April 28, 2014 · claude PHP Apache

You can increase the maximum upload file size for only one application by creating a php.ini file in the directory where the file upload PHP script is. Add the following lines: ; Maximum allowed size for uploaded files. upload_max_filesize = 40M ;...

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