Xin Wen

How to Make (almost) Anything

Week 9: Output Devices

cake making comes in handy


1. Fabricating the Servo Board

1. Fabricating the Servo Board

I started with the servo board (traces, outline) to understand how PWM works. For my final project, I need to display light of different colors to express user's mood, so I thought about using RGB LEDs which requires PWM.

Figure 1. The end mill came loose and the tip broke off.
Figure 2. Fabricated board and components needed.
Figure 3. Soldered (much faster than previous attempts)!.
Figure 4. Connected servos to the board.