Mblock 3.4.12 May 2026

mBlock 3.4.12 is a legacy but highly stable version of the graphical programming environment developed by Makeblock. Based on the Scratch 2.0 open-source code, it is designed to bridge the gap between simple block-based coding and real-world hardware interaction. Key Features of Version 3.4.12

• When green flag clicked (in Arduino mode, this triggers the setup section).
• Setup block: Place a set digital pin 13 output as high inside it.
• Forever block: Inside, place:

  If you're trying to decide between versions, mBlock 3 is generally best for older computers or specific legacy hardware , while mBlock 5 is recommended for modern web-based coding, AI, and Python integration troubleshoot a connection with a robot? mBlock - One-Stop Coding Platform for Teaching and Learning mblock 3.4.12

  5. No Extension Marketplace You cannot easily add new sensors. If a component isn't in the default library, you must manually edit the arduino folder inside the program files (a nightmare for teachers). mBlock 3

  File Information: