nico.ninja A deep dive journey about electronics, computers, radio and so on

  • ATU-100 antenna tuner configuration

    The N7DDC’s ATU-100 automatic antenna tuner is a great piece of hardware for any radio ham trying to adjust their SWR while transmitting. The ATU-100 is an inexpensive hardware unit and can be configured by writing the PIC16F1938’s EEPROM. Why How Bill of materials Replacing the bit Testing Why My...


  • Upgrading Proxmox VE 7.x

    For quite some time, my Proxmox VE server has been running on version 7.1-10. Due to a busy year, I hadn’t found the time to perform the necessary upgrades until now. In this post, I’ll walk you through the steps I took to upgrade it to the latest 7.x release...


  • Lights on the Honda Cub EZ90

    My love for the Honda Cub EZ90 remains steadfast. It’s a nostalgic reminder of 90s motorsports glory. The Cub EZ90, stripped of lights, horn, and mirrors, is a beast in its own right, perfect for rough terrains and farm work. But I wanted to go a bit far with it...


  • My system

    It’s been a time since I wanted to talk about my system. It is nothing but the way things work best for me, and maybe for you as well! I’m a strong believer that systems work amazingly well on persons who want to optimize the outcome of their tasks and...


  • Controlling AC Units with Apple Home and Siri

    My apartment is equipped with two air-conditioned units, and while still modern, they aren’t capable of talking with Apple’s HomeKit out of the box. However, with a bit of research and experimentation, I found a solution to overcome this limitation. Learning the remote control protocol Bill of materials Determining your...