To copy a SD-Card to another one including all partitions yo can take the following steps: Find out the device name (f.e.: /dev/mmcblk0): see List, partitioning and format drives or see Get a list of partitions or see Get free disk space and partitions Copy the whole card to an imagefile (Backup): $> sudo dd if=/dev/mmcblk0 of=backup_pi.img bs=4M […]
Here are some nice Apache configuration entries that will increase your website performance. They can be placed in a .htaccess file: <IfModule mod_headers.c> ## # Add a Vary Accept-Encoding header for the compressed resources. If you # modify the file types above, make sure to change them here accordingly. ## Header unset ETag # Header set […]
To add a comment or a notice to an existing order, you can use the following method: <?php $oOrder = Mage::getModel(‘sales/order’)->load(ENTITY-ID) ->addStatusHistoryComment(‘A very urgent comment’) ->save();
Recently I brought this assembly kit Bluetooth led clock at Banggood: http://www.banggood.com/DIY-AT89S52-Rotation-LED-Electronic-Clock-Kit-51-SCM-Learning-Board-p-965849.html Here are some pictures showing the process: The assembly was relatively easy. Except the SMD leds, resistors, transistors and capacitors! They were a little bit harder to solder. Unfortunately the Bluetooth feature didn’t work with my actual mobile phone, that has Android 4.4 […]
A nice little tool to format your JSON objects, if you had no suitable editor ready to hand. http://jsonformatter.curiousconcept.com/
Yeah the next prank from Adafruit! They build up their own web-based development IDE. At the moment it’s only in beta state but I think the chance is very high that it will become very awesome. Right now it runs on Raspberry Pi and BeagleBone and supports Ruby, Python and JavaScript. The genius part is, that the code […]
On Banana Pi you can call: $> gpio readall This should give you an pinout like that: +———-+-Rev2-+——+——–+——+——-+ | wiringPi | GPIO | Phys | Name | Mode | Value | +———-+——+——+——–+——+——-+ | 0 | 17 | 11 | GPIO 0 | OUT | High | | 1 | 18 | 12 | GPIO 1 […]
The default password for the default user bananapi on a Raspbian for Banana Pi operating system is bananapi. You should change it to a secure password on first connect via ssh. Therefore you can use: $> sudo passwd bananapi
Sometimes its necessary that your machine gets a static IP-address. For example if you want to run a server or a other service on that machine. On Debian based machines you can do this by: Edit /etc/network/interfaces (f.e.: with nano) auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.88.6 netmask 255.255.255.0 […]
That’s very useful if you want to control your robot via wireless lan (Remote Control): https://sites.google.com/site/fabboco/home/arduino-manager-for-iphone-ipad https://itunes.apple.com/us/app/arduino-manager/id497240094?ls=1&mt=8
