Repliesminew (25)in door • 3 years agoRE: Importance of Windows and Door Sensordoor sensorscitech (72)in bluetooth • 3 years agoRE: The Truth About Bluetooth Sensor Beacon TechnologyCustomer loyalty programs are another example of the beacon technology application.steem.history (78)in ble • 3 years agoRE: What is BLE Sensor Tag TechnologyHello welcome to Steemit world! I'm @steem.history, who is steem witness. This is a recommended post for you. Newcomers Guide and The Complete Steemit Etiquette Guide (Revision 2.0) and…