Two months ago my brother asked me: Which security IP camera should I buy? It seemed a simple question, but I needed some time to find a good solution. I used a Yi Camera for several years, but their mobile…
It has been a year full of decisions—some very difficult, others quite simple. I continue to learn what it means to be a father, and it’s proving to be as complicated as I had imagined. I’m not active on social…
Some months ago Apple was running a commercial on Spanish TV about the iPhone’s privacy, mocking users with Android devices. Probably, iPhone users do not know that it is really easy to physically track them. Apple’s “Find My” network was…
Some years ago, my network provider (O2 – Spain) installed a router for me (Mitrastar HGU GPT-2541GNAC) with much better specs than my old OpenWrt router (TP-Link TL-WDR4300). So, I ditched OpenWrt and started using the company’s router. But the…
I wanted to add an LCD screen to my CO2 sensor, so I bought a white LCD 1602 with an I2C controller. The I2C controller needs to be soldered to the LCD, but my basic soldering skills were sufficient for…
To keep a healthy environment at home or at the workplace, one of the important things to control is the carbon dioxide (CO2) level. It’s measured in ppm (parts per million), indicating how many parts of CO2 there are in…
I’m using a ESP32 with ESPHome connected to my heating system for climate control, as expained in a previous post. The heating system is in a different builng than the router and I was experiencing some WiFi coverage issues (the…
I bought from a popular chinese store a generic Tuya smart plug with power monitoring. It was extrememly cheap, costing less than 4 EUR. And of course I bought it to play trying to flash ESPHome. The first challenge was…
I always used OpenVPN in my servers, but now WireGuard is a better option: I’m using it to remotely access private services in my home server. I setup a star topology, where all the VPN clients connect to the…
ChatGPT was launched in November 2022, and it changed our world as we knew it. Since then, Large Language Models (LLMs) have integrated into our daily workflows enhancing our productivity and the quality of our work. Another interesting milestone happened…
