1- Can I detect water by using an infrared sensor ?
2- How can I calibrate the distance to be detected if I am using the below circuit as an example?
http://www.engineersgarage.com/site...mages/circuitdiagram/Infrared (IR) sensor.gif
THanks in advance
2- How can I calibrate the distance to be detected if I am using the below circuit as an example?
http://www.engineersgarage.com/site...mages/circuitdiagram/Infrared (IR) sensor.gif
THanks in advance