Sound-Controlled Robotic Car

Built a sound-controlled robotic car using custom 3D-printed whistles, MEMS microphone input, Goertzel detection with DTMF encoding, PWM motor control, and IMU-based PID correction.

RoboticsSignal ProcessingEmbedded

Stack

  • MEMS microphone
  • Goertzel
  • PID control
  • PWM motor control