Home-brew Email-to-SMS Gateway
I’ve built an Email to SMS gateway using a spare Arduino, a GSM shield and a $30 Optus pre-paid SIM card. [https://tribalchicken.net/content/images/2014/02/IMG_20140204_202203.jpg] It can do the following: * Convert Email to an SMS (Obviously) * Rudimentary access control using a list of allowed senders * Feedback if… Read more
GPS/GSM Tracker Update
I’ve been working on the web application to manage my GPS tracker for the car. It allows remote configuration of the GPS trackers as well as realtime tracking (Maps the current position on a map when the trackers are online) and trip reporting. Here’s a sample trip report:https://trims.tribalchicken.com.au/… Read more
Incremental backups with Rsync (+ Weekly full backups).
I received an email from the VPS provider telling me I had used 90% of my allocated bandwidth… After scratching my head trying to figure out how on earth that happened, I noticed my backup script was broken and backup up 9GB every day… oops. The backup script was a throw-together meant as a temporary… Read more
Connecting ownCloud to iRedMail LDAP
I recently discovered ownCloud [http://owncloud.org/]. So far, it’s great. Seeing that it has the option to integrate into LDAP (via a plugin), I thought that it would be great to utilise the existing user data source that is the LDAP directory used by iRedMail (though any LDAP source would work, but your… Read more
Tracker: Interrupt-based data logging
The second major iteration of the GPS tracker was fantastic because it worked without GSM coverage, but ithad a serious flaw: It used the same program logic as the initial version, which meant if you were driving outside of a GSM coverage area for an hour, when you came back into the coverage area it… Read more