const int raindropPin = 25; // Analog pin for the raindrop sensor const int triggerPin = 32; // GPIO pin for ultrasonic sensor trigger const int echoPin = 35; // GPIO pin for ultrasonic sensor echo ...

The Door Control System with Rain and Sunlight Detection is designed to protect clothes from rain and snow by automating the opening and closing of a door using a chain drive mechanism. The system ...

Hackster.io member “t ps” has created an Internet of Things (IoT) Raspberry Pi rain checking system complete with a light sensor to provide a way of ...

The experiment is for switching an acoustic sounder as a rain alarm after a predetermine time. It may, however, be tinkered for a number of other applications. Needless to say, this is a simple ...