EMG Controlled Wheelchair

EMG Acquisioin Circuit

Each module can be implemented on LTspice
Steps to be followed for EMG acquisition

1. Amplification
2. Filtering
3. Rectification
4. Integration
5. Inversion

Control using Raspberry Pi Pico

The provided code can be uploaded on Raspberry Pi Pico

Thresholds

• 0.1-0.75V Forward
• 0.85-1.6V Left
• 1.7-2.45V Right
• 2.55-3.3V Reverse

Pin connections

• EMG: 27
• Speed Control: 26
• Motor Driver
  • enA: 4
  • enB: 5
  • IN1: 6
  • IN2: 7
  • IN3: 8
  • IN4: 9