Notes on circular queue data structure

While researching the method to store the data into the electrically erasable programmable read-only memory (EEPROM) I have found out the problem is not as straightforward as I have previously thought. Consider the following requirements: Store the last N measured variables in o…

Wakeup Pro Micro 3.3V with DS3132 module

After a previous few days of struggling to get the Arduino Pro Micro 3.3V version to get to sleep and wakeup I've finally had an epiphany and got the desired result to surface up. It was made possible by the massive amount of documented work I have finally stumbled upon. Links ar…

Use pin 7 to wakeup an Arduino Pro Micro

When designing a circuit that is meant to run on low power, I have found that is is a good start to choose a microcontroller board that is has a lower base voltage level than 5V. The reasons are twofold. First, a lower voltage means lower power consumed, period. Second, there are…

Fix platformio avrdude input/output error

I have get to work on the very low priority side project with the codename bee weighter yesterday. It is not meant to weight the actual bees, but instead their entire house to determine if it is a full of honey that could be extracted. However, I got greatly slowed down by the un…

Insights from the Google Search Console

For now, I have enabled the Google Search Console on this blog, mainly because I do not have a search yet, but I like to reference my previous posts related to the topic at hand. And for now, I have been using Google search to quickly find where I was writing about this or that. …

Using UUID in an Atom feed

This a again blend of my previous post announcing a feed and a post before discussing an uuid commad. The fact these two came one after each other is not coincidence, even though they seem to have very little in common. So what is the connection between the Atom feed and the Univ…

My blog has a Feed now!

A few days ago, Ru asked me if the RSS on my blog is available. Hint: it wasn't. Go check Ru's work by the way. She is actually investing a lot of thoughts into whatever she's doing, so expect to find something worthwhile around her. But the fact is, this blog's feature list is…