Merge pull request #15 from ladyada/master

added pullup warning

Author: dhalbert

examples/ds18x20_asynctest.py

@@ -4,10 +4,10 @@
 # the conversion is in progress.
 # Author: Louis Bertrand, based on original by Tony DiCola
 
-import time
+# A 4.7Kohm pullup between DATA and POWER is REQUIRED!
 
+import time
 import board
-
 from adafruit_onewire.bus import OneWireBus
 from adafruit_ds18x20 import DS18X20
 

examples/ds18x20_simpletest.py

@@ -1,9 +1,10 @@
 # Simple demo of printing the temperature from the first found DS18x20 sensor every second.
 # Author: Tony DiCola
-import time
 
-import board
+# A 4.7Kohm pullup between DATA and POWER is REQUIRED!
 
+import time
+import board
 from adafruit_onewire.bus import OneWireBus
 from adafruit_ds18x20 import DS18X20