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Week 2 of the Function Block Friday posts is upon us and this week we are featuring ordinary file read and write blocks. Every programmer will be familiar with how files are accessed programmatically and Lucid does nothing unusual in this respect other than condense many lines of code into a single simple function block. Let’s start with reading data from a file with the simple “File Read Block”. This function block allows you to read data from any file…

Introducing 🎉 FUNCTION BLOCK FRIDAY 🎉 To kick off this series on Lucid’s library of function blocks we’re introducing the IoT industry’s favourite device connectivity protocol – MQTT! If you don’t know MQTT, it’s a lightweight publish/subscribe messaging protocol used widely in devices and server messaging. Lucid lets you configure and run secure MQTT connections to your favourite MQTT broker service in just a few seconds and NO CODE. For secure connections, you may need a security certificate from your…