If you're looking to learn basic electronics in Spanish, Curso de Electronica Basica by RRT Developers is an excellent option. This free course is designed for beginners and covers everything from the basics to more advanced topics.

The course starts from scratch, so you don't need any prior knowledge. You'll learn about the terms used in electronics, iodine values, resistance values, coil codes, and basic electronic circuits, among other things. This course is perfect for students and anyone interested in learning about engineering and electronics.

The content is presented in a didactic and easy-to-understand way, making it accessible to everyone. Overall, Curso de Electronica Basica is an excellent choice for those looking to learn basic electronics in Spanish.