Merge pull request #7 from adafruit/stemma_i2c

evaherrada · web-flow · commit 690e08955d9d · 2022-11-22T14:23:44.000-05:00
Added commented out board.STEMMA_I2C with explanation
diff --git a/examples/pcf8591_adc_example.py b/examples/pcf8591_adc_example.py
@@ -14,7 +14,8 @@
 # normal power and I2C connections. The voltage level should be between 0V/GND and VCC
 #
 ########################################
-i2c = board.I2C()
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 pcf = PCF8591(i2c)
 
 channel_a = 0
diff --git a/examples/pcf8591_analog_in.py b/examples/pcf8591_analog_in.py
@@ -18,7 +18,8 @@
 #
 ########################################
 
-i2c = board.I2C()
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 pcf = PCF.PCF8591(i2c)
 
 pcf_in_0 = AnalogIn(pcf, PCF.A0)
diff --git a/examples/pcf8591_dac_example.py b/examples/pcf8591_dac_example.py
@@ -15,7 +15,8 @@
 # normal power and I2C connections
 #
 ########################################
-i2c = board.I2C()
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 
 pcf = PCF8591(i2c)
 print("enabling DAC")
diff --git a/examples/pcf8591_simpletest.py b/examples/pcf8591_simpletest.py
@@ -18,7 +18,8 @@
 # normal power and I2C connections
 #
 #####################################################################
-i2c = board.I2C()
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
 pcf = PCF.PCF8591(i2c)
 
 pcf_in_0 = AnalogIn(pcf, PCF.A0)

Original file line number	Diff line number	Diff line change
`@@ -14,7 +14,8 @@`
`14`	`14`	`# normal power and I2C connections. The voltage level should be between 0V/GND and VCC`
`15`	`15`	`#`
`16`	`16`	`########################################`
`17`		`-i2c = board.I2C()`
	`17`	`+i2c = board.I2C() # uses board.SCL and board.SDA`
	`18`	`+# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller`
`18`	`19`	`pcf = PCF8591(i2c)`
`19`	`20`
`20`	`21`	`channel_a = 0`
Original file line number	Diff line number	Diff line change
`@@ -18,7 +18,8 @@`
`18`	`18`	`#`
`19`	`19`	`########################################`
`20`	`20`
`21`		`-i2c = board.I2C()`
	`21`	`+i2c = board.I2C() # uses board.SCL and board.SDA`
	`22`	`+# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller`
`22`	`23`	`pcf = PCF.PCF8591(i2c)`
`23`	`24`
`24`	`25`	`pcf_in_0 = AnalogIn(pcf, PCF.A0)`
Original file line number	Diff line number	Diff line change
`@@ -15,7 +15,8 @@`
`15`	`15`	`# normal power and I2C connections`
`16`	`16`	`#`
`17`	`17`	`########################################`
`18`		`-i2c = board.I2C()`
	`18`	`+i2c = board.I2C() # uses board.SCL and board.SDA`
	`19`	`+# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller`
`19`	`20`
`20`	`21`	`pcf = PCF8591(i2c)`
`21`	`22`	`print("enabling DAC")`