Mblock 3.4.12 -
What (Windows, Mac, etc.) are your computers running?
Go to the menu, hover over Serial Port , and select the newly appeared COM port (e.g., COM3, COM4 on Windows, or /dev/cu.wchusbserial on Mac). 4. Switch to Arduino Mode
: Always "Reset Default Program" if you want to switch back from an uploaded program to live control mode. If you want to explore more about this version: Compatibility with newer Windows or macOS versions? Custom extension development for 3.4.12? Migration tips to mBlock 5? AI responses may include mistakes. Learn more mblock 3.4.12
: Uploads code directly to boards for autonomous run.
Many legacy school curriculums and community-made tutorials (such as YouTube guides and PDF workbooks) are tailored specifically to the 3.4.1x interface, making it an essential reference point for teachers and students alike. Getting Started with mBlock 3.4.12: A Quick Workflow What (Windows, Mac, etc
A timeless educational tool for Arduino hardware, provided you have compatible hardware and older operating systems.
Reading data from ultrasonic or line-following sensors. Game Design: Building interactive games. Switch to Arduino Mode : Always "Reset Default
mBlock 3.4.12 was optimized to support a wide range of Makeblock educational robots and standard open-source microcontrollers. Supported Hardware:
Connect your hardware to the computer's USB port using an appropriate data cable. Ensure the robot or board is powered . 3. Select the Serial Port
mBlock 3.4.12 acts as a universal compiler for a wide range of educational hardware kits. The built-in firmware deployment tools natively support:
The last code uploaded remains stored in the microcontroller's volatile flash memory. To clear it, upload a blank program containing only the setup block, or run Connect > Reset Default Program . Summary of mBlock Versions mBlock 3.4.12 (Legacy) mBlock 5 (Current) Core Base Scratch 2.0 (Offline Optimized) Scratch 3.0 (Web/Cloud Optimized) Primary Code Language Arduino C++ Python & Arduino C++ System Footprint Extremely low, runs on older PCs Moderate, requires updated web views AI & IoT Support Limited / Extension dependent Deep native integration
