How I Built Monitoring for My Home Solar System — And Why You Might Need It Too
Svitgrid dashboard: real-time power flow from PV to battery, home, and grid
ivanursul
Seasoned software engineer. Prefer Java. A true fan of CI/CD. Always willing to automate everything. Opensource commiter. Blogger.
Latest posts
Advancing Fall Detection: Crafting a Custom PCB for the Raspberry Pi Zero 2W
Your browser does not support the audio element. ** Dive into an AI-generated podcast where two virtual hosts discuss the key findings and implications of the featured article and its groundbreaking research." --> Schematics of the PCB module In my previous post, Developing a Fall Detection Device with Raspberry Pi , I delved into the initial steps of building a fall detection system using the…
Developing a High-Accuracy Fall Detection Device Using Raspberry Pi and Transformer Models
Your browser does not support the audio element. --> Your browser does not support the audio element. ** Dive into an AI-generated podcast where two virtual hosts discuss the key findings and implications of the featured article and its groundbreaking research." The prototype with the cover removed Falls are a significant concern for the elderly population, often leading to serious injuries and a…
Further experiments, writing a Serverless Telegram Chat Bot
In my last article I wrote about how I wrote Telegram Chat for tracking co-working spends. I wrote a chatbot using Java, hosted it on my Raspberry PI 3. Yes, it’s serving its needs, we fully rely on it. However, since this chatbot was written as an experiment, I wanted to proceed with research and investigate how real chatbots are written.
How we wrote Telegram ChatBot to keep track of co-working spends
I guess, everyone know knows what are chat bots. Do do I, I was looking for some idea of chat bots for many months and finally, I ended up with an idea for my co-working, which I made with my friends and where I am currently spending most of my life.
How we wrote chicken egg counter on a Raspberry PI
How it started Besides my main work on Upwork I quite often pick different projets. So I found a project, where I had to write a program for recognizing chicken eggs on a factory stream line. Customer wanted to install the application on computer with web camera, put this camera at a top of stream line and the application had to calculate eggs and send them to the DB. He also wanted to run this…
What I learned from AWS Lambda
For the past 1 month, I had a chance to work with AWS Lambda. During the period of work with Lambda, I collected a lot of thoughts about this technology and would like to share them with you. Getting started So if you don’t know anything about AWS, I recommend starting with official docs : Amazon has a very rich documentation which will explain all the details about Lambda. If you don’t want to…
Are you sure microservices architecture is for you?
Today is the starting of the fourth year since I began my journey with microservices. I started with a theoretical knowledge about this architecture and now I ended up with a more deep and practical experience. While I still believe I can find news problems in microservices, I prepared an article with a list of problems which I had a chance to face in my work. You will read short stories which I…
Kafka Consumer memory usage
I’m working with Kafka for more than 2 years and I wasn’t sure if Kafka Consumer eats more RAM memory when it has more partitions. I couldn’t find any useful information on the internet, so I decided to measure everything by myself.
Key things you should know about being a freelancer
Hi, my name is Ivan Ursul and I am a freelance engineer since 2015. It’s been a while since I started my career as an independent freelancer. I started it as an engineer in Upwork, in one of their teams, where I was involved first in reporting backend service, then in the time-tracker pipeline, which is served as a backend for Upwork Tracker Application(UTA) client.