I would have to guess that the best value is Germany.
Darmstadt is a lovely little fun, hip town and they have a reputable engineering school at TU:
https://www.tu-darmstadt.de/studieren/abschluesse/bachelor/e...
There is a lot of scholarship money to fund your living expenses here: https://www.tu-darmstadt.de/international/home/funding/index...
But the actual costs are very low. A few hundred dollars a semester. I can't find the one for EE bachelors but here are some ballpark figures for comparative programs:
https://www.tu-darmstadt.de/studieren/beratung_hilfe/details...
https://www.trophee.tu-darmstadt.de/course/coursefees/index....