Update example

Author: Lee-Stone

example/adc.py

@@ -19,7 +19,7 @@
     last_duty = -1 
     while True:
         # Read ADC voltage value
-        voltage = adc.read_uv() / 1000000  
+        voltage = adc.read_u16() / 10000  
 
         # Ensure voltage is within valid range
         if voltage < MIN_VOLTAGE:

example/battery.py

@@ -12,7 +12,7 @@
     adc = XiaoADC(adc)  
     while True:
         # Read the battery voltage in microvolts and convert to volts
-        vbat = adc.read_uv() / 1000000  
+        vbat = adc.read_u16() / 10000  
         print("Battery Voltage: {:.4f} V".format(vbat)) 
         time.sleep(0.1)
 except KeyboardInterrupt: