Added gain and sample rate placeholders

Author: KTOWN

Adafruit_ADS1x15/ads1x15_ex_singleended.py

@@ -12,12 +12,30 @@ def signal_handler(signal, frame):
 ADS1015 = 0x00  # 12-bit ADC
 ADS1115 = 0x01	# 16-bit ADC
 
+# Select the gain
+# gain = 61    # +/- 6.144V
+gain = 4096  # +/- 4.096V
+# gain = 2048  # +/- 2.048V
+# gain = 1024  # +/- 1.024V
+# gain = 512   # +/- 0.512V
+# gain = 256   # +/- 0.256V
+
+# Select the sample rate
+# sps = 8    # 8 samples per second
+# sps = 16   # 16 samples per second
+# sps = 32   # 32 samples per second
+# sps = 64   # 64 samples per second
+# sps = 128  # 128 samples per second
+sps = 250  # 250 samples per second
+# sps = 475  # 475 samples per second
+# sps = 860  # 860 samples per second
+
 # Initialise the ADC using the default mode (use default I2C address)
 # Set this to ADS1015 or ADS1115 depending on the ADC you are using!
 adc = ADS1x15(ic=ADS1115)
 
-# Read channel 0 in single-ended mode, +/-4.096V, 250sps
-volts = adc.readADCSingleEnded(0, 4096, 250) / 1000
+# Read channel 0 in single-ended mode using the settings above
+volts = adc.readADCSingleEnded(0, gain, sps) / 1000
 
 # To read channel 3 in single-ended mode, +/- 1.024V, 860 sps use:
 # volts = adc.readADCSingleEnded(3, 1024, 860)