The Raspberry Pi platform is already being used to make all kinds of fun robots and electronics. Thanks to the BrainCraft HAT, you can try machine learning on your Pi 4. It has a 40×240 TFT IPS display, 5-way joystick, microphones, stereo headphone out, three RGB DotStar LEDs, and two 3 pin STEMMA connectors for NeoPixels or Servos. You can use it with additional sensors for all kinds of AI projects, including robots.