This Is the Real-Life WALL-E Robot You’ve Always Wanted

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The LEGO WALL-E robot that was released late last year has been very popular with fans of the movie who love the personality of this beloved Pixar character. But wouldn’t it be nice if this set did more than just look nice sitting on a bookshelf? YouTuber Crostplay2 thinks so, so he added some electronics to turn it into a real robot that he can control.

The transformation began with an ESP32 microcontroller, which was ideal for this project because of its native Bluetooth support. This chip made it possible to control the robot with a PlayStation 4 controller connected through the Bluepad32 library rather than a traditional RC transmitter. The setup allows the analog sticks, triggers, and the PS4 controller’s internal gyroscope to drive WALL-E’s movements.

An ESP32 controls the robot's motion (📷: Crostplay2)

Because standard LEGO components could not properly interface with hobby-grade motors, custom 3D-printed mounts and...

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