tutorial.cytron.io
Interfacing Digital Infrared Sensor with BBFuino and SK28A
The output signal of Digital Infrared Sensor is needed to be pull high as it is NPN output. The module will output a HIGH if no object is detected and a LOW if an object is detected. In this tutorial, you are going to learn on how to use the BBFuino and SK28A to control SN-E18-B03N1.