Mblock 3.4.12 -

In Edit > Arduino Mode Settings , you can select the exact board type (Uno, Mega, Nano) and the COM port. Save this configuration to avoid re-selecting every session.

represents a specific, highly stable release of the mBlock 3.x software series. Developed by Makeblock, mBlock is a graphical programming environment based on MIT’s Scratch 2.0. While the software has since evolved into mBlock 4 (Scratch 3.0 based) and mBlock 5 (Python/Scratch 3.0 based), version 3.4.12 remains a significant milestone in the history of STEM education tools. mblock 3.4.12

Connect the LED (long leg to Pin 13, short leg to GND via the resistor). In Edit > Arduino Mode Settings , you

: Users can write code in "Stage Mode" to interact with the software sprite. Alternatively, "Arduino Mode" uploads code directly to the hardware for autonomous operation. Developed by Makeblock, mBlock is a graphical programming

: In mBlock, click Connect > Serial Port . Select the corresponding COM port (Windows) or /tty.usbserial... (Mac).

While mBlock 5 offers cloud capabilities and more advanced AI features, remains favored for specific scenarios:

Enter Makeblock, a Chinese robotics company famous for the "Codey Rocky" and "MegaPi." They developed mBlock—a modified version of the Scratch 2.0 source code.