make PWM duty cycle change more smoothly

[sensor-light.git] / README.md

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 The project is to drive night lighting of a staircase using PIR
 motion sensors (two: for the top and bottom of the staircase).
-Ambiant light sensor to only turn the LED chains when it is dark.
+Ambient light sensor to only turn the LED chain when it is dark.
 Driven by MSP430 MCU, light power controlled via PWM + MOSFET.
 
 ![](hardware/sensor-light.svg)