<https://projectiot123.com/2019/03/23/introduction-to-ir-sensor/>
<http://schema.org/author>
<https://projectiot123.com/#/schema/person/eae85e2d9e284e4f8d8ced0da61f23c8>
<https://projectiot123.com/2019/03/23/introduction-to-ir-sensor/>