Monthly Archives: August 2018

An sd-card logger monitoring 12V car battery voltage and temperature using the Arduino ProMini

Posted on August 20, 2018

More often than convenient I used to find my car battery drained and the car unable to start after a long period of disuse. In order to find out if there was a short circuit or power leak somewhere, if … Continue reading →

Charging my camera battery with a smartphone – a dirty risky holiday hack

Posted on August 19, 2018

TL;DR: This small experiment shows how I used a smartphone to charge a camera battery. The method is not safe but It struck me as a great example to highlight the inaparrent compatibility between two seemingly unrelated devices. Most current … Continue reading →