Important update – In June 2023 LEGO decided to update the Powered Up app with a new code block design, and in July they provided their own block guide that is accessible here. Their page has the most frequent blocks described, and you can find a link on that page with a pdf that has all the new blocks. The guide below is useable with the 3.x.x version of the app.
This is the simple code block guide for the LEGO® Powered Up app. It is created to provide help with Powered Up programming, it contains information about the code blocks used in the Free Play area of the app.
Latest update: 04/29/2020
App version used: 3.1.1
Usage
This is the simplified version of the code block guide. Click here for the extended version with all the information, column filtering, search function etc.
In this version each block can be identified with the icon, the number of the visible columns depends on your screen size / resolution. To show all data corresponding to a block click on the Green + icon next to the block’s image, that will show/hide the additional information.
Glossary
Simple motor – a Powered Up motor that only has power regulation, like the 45303 Simple Medium Linear Motor
Tacho motor – a Powered Up motor that has an internal encoder and has speed and position regulation like the 88008 Medium Linear Motor or the L / XL motors.
Slider interface – one of the controller interfaces in the Free Code area of the Powered Up app with 2 sliders and 3 buttons
Race Car interface – one of the controller intarfaces in the Free Code area of the Powered Up app with 1 joystick and 4 buttons
Composite Block – a block that contains one or more program sequences
Disclaimer – This guide is partially based on a document received from LEGO® Customer Service, additional information and examples were added based on the Powered Up app and my experience.
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