🌱 The soil moisture sensor can detect whether the soil is humid or dry.
🔌 The wiring for the soil moisture sensor is simple, with the A0 pin connected to any analog to digital pin.
📊 The analog read block in the ESP32 provides a range of values from zero to 4095 for sensor readings.
The maximum value on the serial monitor is 4095 when the sensor is not in water, and around 2000 when it is submerged.
The speaker encourages viewers to test the sensor themselves.
The speaker plans to improve the program to turn on an LED when the planter needs water and turn it off otherwise.
🌱 The ESP32 A-19 is a soil moisture sensor.
💧 The sensor can be tested with both wet and dry soil.
👋 The video concludes with a farewell message.
《初級》跟著大師學交易/RayDalio認為的投資組合聖杯是什麼? #raydalio #程式交易 #mt4 #mt5
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