요청 내용
“An Arduino Uno wired to a rain-sensor header and a servo header: power both from the rails, connect the rain signal to D2 and the servo signal to D9.”
그렇다면Move the rain signal to D4Add an LED to indicate rain detection
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01
Digital rain sensor module for reliability
02
Servo motor to control blind tilt
03
Arduino Uno as central controller
Projects needing weather-responsive window coverings for outdoor or balcony windows.