See https://news.ycombinator.com/item?id=38595055 https://news.ycombinator.com/item?id=38595055 and https://arduino.stackexchange.com/questions/8938/do-water-se

See https://news.ycombinator.com/item?id=38595055 https://news.ycombinator.com/item?id=38595055 and https://arduino.stackexchange.com/questions/8938/do-water-sensors-rust https://arduino.stackexchange.com/questions/8938/do-water-se...