A4988

DIY Laser Engraver from Old CD Drives: Complete Process

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DIY Laser Engraver from Old CD Drives: Complete Process

1. Required Materials Two old CD drives One Arduino UNO development board Two A4988 stepper motor driver modules One 12V2A power supply module One 250mW laser head One acrylic board Several wires Several screws AB glue 2. Disassemble the CD Drive Since I finished the mini laser engraver almost half a month ago, some pictures … Read more

Getting Started with Raspberry Pi and A4988 Driver for 42 Stepper Motor

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Getting Started with Raspberry Pi and A4988 Driver for 42 Stepper Motor

In the previous article on getting started with Raspberry Pi (Part 3), I introduced how to drive a stepper motor. At that time, the stepper motor driven was a simpler one with lower precision. Today, we will drive a more complex stepper motor. Of course, I will still use Arduino as an example, but I … Read more