esp32/boards: Fix spelling mistakes in comments for UM_xxx boards.

ports/esp32/boards/UM_FEATHERS2/modules/feathers2.py

@@ -50,7 +50,7 @@ def toggle_led(state):
     l.value(not l.value())
 
 
-# Create ADC and set attenuation and return teh ambient light value from the onboard sensor
+# Create ADC and set attenuation and return the ambient light value from the onboard sensor
 def get_amb_light():
     adc = ADC(Pin(AMB_LIGHT))
     adc.atten(ADC.ATTN_11DB)
@@ -62,7 +62,7 @@ def get_amb_light():
 # prevent parasitic power from lighting the LED even with the LDO off, causing current use.
 # The DotStar is a beautiful LED, but parasitic power makes it a terrible choice for battery use :(
 def set_ldo2_power(state):
-    """Set the power for the on-board Dostar to allow no current draw when not needed."""
+    """Set the power for the on-board Dotstar to allow no current draw when not needed."""
     # Set the power pin to the inverse of state
     ldo2 = Pin(LDO2, Pin.OUT)
     ldo2.value(state)

ports/esp32/boards/UM_TINYPICO/modules/tinypico.py

@@ -80,7 +80,7 @@ def get_battery_charging():
 # need to be able to cut power to it to minimise power consumption during deep sleep or with general battery powered use
 # to minimise unneeded battery drain
 def set_dotstar_power(state):
-    """Set the power for the on-board Dostar to allow no current draw when not needed."""
+    """Set the power for the on-board Dotstar to allow no current draw when not needed."""
     # Set the power pin to the inverse of state
     if state:
         Pin(DOTSTAR_PWR, Pin.OUT, None)  # Break the PULL_HOLD on the pin

ports/esp32/boards/UM_TINYS2/modules/tinys2.py

@@ -38,7 +38,7 @@ DAC2 = const(18)
 
 # Helper functions
 def set_pixel_power(state):
-    """Enable or Disable power to the onboard NeoPixel to either show colour, or to reduce power fro deep sleep."""
+    """Enable or Disable power to the onboard NeoPixel to either show colour, or to reduce power for deep sleep."""
     Pin(RGB_PWR, Pin.OUT).value(state)
 
 
@@ -59,7 +59,7 @@ def get_vbus_present():
     return Pin(VBUS_SENSE, Pin.IN).value() == 1
 
 
-# Dotstar rainbow colour wheel
+# NeoPixel rainbow colour wheel
 def rgb_color_wheel(wheel_pos):
     """Color wheel to allow for cycling through the rainbow of RGB colors."""
     wheel_pos = wheel_pos % 255
@@ -74,9 +74,9 @@ def rgb_color_wheel(wheel_pos):
         return wheel_pos * 3, 255 - wheel_pos * 3, 0
 
 
-# Go into deep sleep but shut down the APA first to save power
-# Use this if you want lowest deep  sleep current
+# Go into deep sleep but shut down the RGB LED first to save power
+# Use this if you want lowest deep sleep current
 def go_deepsleep(t):
-    """Deep sleep helper that also powers down the on-board Dotstar."""
+    """Deep sleep helper that also powers down the on-board NeoPixel."""
     set_pixel_power(False)
     machine.deepsleep(t)