<![CDATA[In the era of Industry 4.0, the demand for automation in the manufacturing sector continues to grow, particularly in welding processes that require high efficiency, consistency, and quality. Robotic arm manipulators have become a widely adopted solution in various countries, including Indonesia. However, the dominance of imported products poses challenges such as high investment costs and limited customization capabilities. This research aims to design and develop a six-degree-of-freedom (6-DoF) welding robotic arm manipulator using the STM32H7 microcontroller as the main control system. The STM32H7 was selected for its high processing performance, low power consumption, and flexibility in integrating sensors and actuators. The outcomes of this study are expected to contribute as an alternative solution for the development of domestic industrial robotics, thereby reducing reliance on imported technologies and supporting national technological self-sufficiency. Several tests were conducted on the developed system, including repeatability testing. The results indicate that the prototype achieved a repeatability value of ±0.225 mm, which is still lower than that of comparable industrial-grade systems (±0.02 mm). This finding suggests that while the system shows promise, further refinement is required to meet industrial performance standards]]>
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