DIY Arduino based Automatic Antenna Tuner

How about building your own smart-tuner?

This is L-C-L matching network antenna tuner build and designed by K3NG, using an Arduino

https://blog.radioartisan.com/arduino-antenna-tuner/

https://blog.radioartisan.com/arduino-antenna-tuner/

And also a video about it on youtube:

https://www.youtube.com/watch?v=SoVW1cxrKOE