需求
“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.”
接著試試Move the rain signal to D4Add an LED to indicate rain detection
這張圖裡有什麼
看懂背後的決策。
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.