ePy-Lite醫電感測器實作 – AD8232心電信號測量模組

 

醫電感測器實作 – AD8232心電信號測量模組

 電路圖

 

程式列表

Python - ePy-Lite_AD8232.py

"""   ePy-Lite_AD8232.py     ePy-Lite   AD8232   -----------------   GND ------- GND   3V3 ------- 3.3V   ADC(0)----- Output       ------- L0-       ------- L0+       ------- ~SND """   from machine import Switch  #Get button KEY library from machine import ADC, Timer, LED, Pin, I2C import utime   alpha = 0.75   """描述此函式... """ def tick3(timer):   global TimerDone   TimerDone = True   return TimerDone   def key_int():   global KeyDone   KeyDone = True   # Start Function if __name__ == '__main__':   # On my board on = off, need to reverse.   led = LED('ledy')     KeyA = Switch('keya')    #Create button A   KeyA.callback(key_int)   KeyDone = False     timer = Timer(3,freq=100)   timer.callback(tick3)   TimerDone = False     sensor = ADC(Pin.epy.AIN0)     oldValue = 0.0     utime.sleep_ms(900)   print("--- Start measurement ---")     while True:     if TimerDone == True:       TimerDone = False       sensor_value = sensor.read()       value = alpha * oldValue + (1 - alpha) * sensor_value       print(sensor_value,",",value)        #打印ADC值         oldValue = value     if KeyDone == True:      #Press A Key       break     KeyA.callback(None)   timer.deinit()   print("Exit measurement.")

 Blockly

執行結果

使用”SerialPlot - Realtime Plotting Software”進行心電信號收集

Hasan Yavuz ÖZDERYA GitHub https://github.com/hyOzd/serialplot/

原始資料