Source: Technews At the 2005 WWDC, Steve Jobs announced an important plan: to move Mac from IBM’s PowerPC to Intel’s x86 architecture. However, at that time, Apple was also secretly working on two major projects: developing a tablet computer and a prototype phone that was still based on the iPod design but included communication features. … Read more
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
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