Thoughts on time/date management on IoT nodes

Accurate time/date information is crucial for the correct operation of IoT nodes. From a security perspective, time/date information is necessary to perform SSL certificate validations. If your embedded device’s clock isn’t accurate, you can’t ensure the presented server certificate hasn’t expired, or is not yet usable, leading to connection rejection. In that case, your device…

Auto DST adjustment

We are close to that time of the year when Daylight Saving Time (DST) starts.  It is intended to save on energy use, however, studies have found this to be questionable, even contrary – energy use increases in some cases. The change itself causes a number of inconveniences. For me DST start/end means adjusting a number of clocks around…