Update mcp3421_simpletest.py

Update example to show gain, resolution and mode setting

Author: BlitzCityDIY

examples/mcp3421_simpletest.py

@@ -9,8 +9,21 @@
 
 i2c = board.I2C()
 
-adc = ADC.MCP3421(i2c)
+adc = ADC.MCP3421(i2c, gain = 1, resolution = 14, continuous_mode = True)
 adc_channel = AnalogIn(adc)
+# gain, resolution and mode can also be set after instantiation:
+
+# set gain to 1, 2, 4 or 8x
+# defaults to 1
+# adc.gain = 1
+
+# set resolution to 12, 14, 16 or 18
+# defaults to 14
+# adc.resolution = 14
+
+# set continuous read mode True or False for one-shot
+# defaults to True
+# adc.continuous_mode = True
 
 while True:
     print(adc_channel.value)