The motor is controlled via an Arduino Nano and an A4988 stepper motor driver. However, that only covered the mechanical side of things.

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After this tedious step, he designed a PCB that hosts an Arduino Nano to accept input, two MCP23017 GPIO expanders to give it enough outputs, and CD4066BE CMOS switches to trigger the connections.

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Change a few sheets of paper into a practical A4 file folder with this easy DIY project! Perfect for organizing papers, assignments, or important documents, this homemade file folder is simple to ...

APC issue 542 (February) is now available, ensuring you never miss another software update.

Hangzhou Mdk Opto Electronics Co.,Ltd. engages in the research, manufacture, and sales of optoelectronics, semiconductor optics, semiconductor micro-nano circuit, and intelligent terminal products ...

Everything starts with the design. Engineers review every PCB file carefully, checking trace widths, spacings, and hole sizes ...