Monthly Archives: January 2015

Building a cellular tracker: Part3a – Circumventing unreliable Watchdog with external 555 timer

Posted on 24. January 2015 by holadiho

In my current endeavor to build a cellular tracker that can run autonomously for months i stumpled upon a strange problem during outdoor tests which could only be resolved the hard way… Initially i intended to use the built in … Continue reading →

Posted in Arduino, electronics | Tagged | 2 Comments

Basic Electronic tinkering set

Posted on 15. January 2015 by holadiho

The idea was to assemble the cheapest and most straightforward tinkering set for beginners. It’s designed to be used in a huge Workshop at a conference. All parts together (including packaging) cost less than 1 EUR.

Posted in Allgemein | Leave a comment

This is why i love the Internet so much…

Posted on 13. January 2015 by holadiho

One of the reasons for this blog is that i wanted to share my learnings with the world, because i learned so much by shared stuff of others, it’s just amazing. Yesterday i asked a really tricky question on the … Continue reading →

Posted in Maker-Movement, Society | 3 Comments

Building a cellular tracker: Part4 – Which cloud-service to chose for storing the data

Posted on 3. January 2015 by holadiho

As described earlier, i want to create a cellular tracker – below i am going to describe where to store the data… Tracking sensor-data only makes sense if the data is being stored in a central place for further action. Usually you … Continue reading →

Posted in Allgemein | Tagged | 3 Comments

Building a cellular tracker: Part3 – Running on Batteries for Months

Posted on 2. January 2015 by holadiho

As described earlier, i want to create a cellular tracker – below i am going to describe what i learned about power-consumption and why i believe that the tracker could run on batteries for months… My goal is to have a … Continue reading →

Posted in Arduino, gsm | Tagged , | 3 Comments