What is HART protocol and how does it work?

Analog Signal Chain real world problem solutions: Technology and Tools

https://e2e.ti.com/blogs_/b/analogwire/archive/2018/01/26/back-to-the-basics-what-is-hart-protocol-and-how-does-it-work?DCMP=mytinwsltr_02_18_2018&userInfo=8EYIQPPxKup9J+mlElzI+bXeKrGgivSNKv/NVUlmrVQ=&article_name=asc-dc-dac-HART-blog-20180126-wwe&newsletter=11-FEB-18&eloquaCampaignId=522&utm_campaign=myTI%20newsletter%202018-02-18&utm_medium=email&utm_source=Eloqua