Testo Saveris 2-T21 Wireless Profile
The Testo Saveris 2-T21 is an environmental sensor which utilises 802.11b/g/n on the 2.4GHz band. It is often found within the pharmaceutical industry, to monitor the temperature and humidity of… Continue Reading
Browsing Category: MQTT
MQTT 3.1.1 – Packets and Expected Application Flows (Publishing Topics)
Building on the previous post introducing MQTT, today we will analyse packets and expected application flows for clients publishing messages through MQTT 3.1.1. The following image represents a high level… Continue Reading