Lego programming is basically in two ways. One is to control high-end robots such as EV3 through source code programming. Because of the high technical threshold, more than 99% teachers in training institutions do not have this coding ability, and basically stay on modifying the parameters of source code or hardware settings. This way cannot produce actual teaching effects.

The other is to use graphical programming tools such as Wedo to control low-end simple robots, but Wedo is difficult to use. It is better to learn programming with graphical programming tools such as Scratch, Tynker and Snape, which is more purposeful and more direct.

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Lego, founded in 1932, located in Denmark, is a world-renowned toy manufacturer. By the end of 2022, Lego has a history of 90 years, which can be traced back to its gold-lettered signboard Lego.

The trademark "Lego" has been used since 1932. Its language comes from the Danish word "LEg GOdt", which means "have a good time". This name soon became synonymous with high-quality toys produced by Lego in Bilong Toy Factory.

Over the years, the "Lego" icon has also changed in many forms. The latest icon is made by 1998, which is slightly adjusted on the basis of 1973 version to make it easier to spread and identify in the media. The first production base was in a red house in Denmark, where Lego started.