Spo2 proteus simulation block diagram

Spo2 proteus simulation block diagram

1. User

   • Light Emitters (Red and IR LEDs)
     • - Red LED (660 nm)
     • - Infrared LED (940 nm)
     • Patient's Finger (Light Absorption)
       • Photodetector (Photodiode)
         • Detects light transmitted through the finger
         • Signal Amplifier (Op-Amp)
           • Amplifies the low magnitude signal
           • Low-Pass / High-Pass Filters
             • Filters out high-frequency noise
             • Eliminates unwanted DC signals
             • Analog to Digital Converter (ADC)
               • Converts analog signal into digital data for processing
               • Microcontroller (MCU) ,if used
                 • Processes the signals from the photodetector
                 • Performs SpO2 and heart rate calculations
                 • SpO2 Calculation Algorithm
                   • Red and infrared light ratio
                   • Oxygen saturation calculation
                   • Display (LCD/OLED), if used