Update README.md

Author: lizwar

README.md

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 # Introduction-to-Computing-with-microbit
 Journey through all the features of the micro:bit with interactive activities and engaging projects to excite and enthuse learners. The course uses makecode as the programming interface and is suitable for learners of all ages and abilities. 
 
+### All material has now been updated to include microbit V2.
 
-## [Download here](https://github.com/arm-university/Introduction-to-Computing-with-microbit/archive/refs/heads/main.zip)
+## [Download all material here](https://github.com/arm-university/Introduction-to-Computing-with-microbit/archive/refs/heads/main.zip)
 
 ## Resource Aim
 This course introduces learners to the key STEM topics of physical computing, sensors, programming and Internet of Things (IoT) through project-based learning. Learners are immersed in a series of projects which involve rapid team-based development of a solution to meet specified criteria. These sprints of project-based work are interspersed with theory lessons that cover the core concepts necessary for the following projects.