Chapter 2 Your First Board: A “Learn to Solder” Badge
For our first PCB project, we’ll start with a staple of many Maker Faires: a “Learn to Solder” badge. This is the simplest of circuits: two cycling RGB LEDs and a battery clip (see Table 2-1). Your goal of this project is to get comfortable navigating EAGLE’s toolbox and layers. You’ll also see how to create custom silkscreen graphics and nonrectangular outlines.
Table 2-1: Blinky badge bill of materials
| Part | Source | Price ($) |
| (2) Cycling RGB LEDs | Microtivity IL603 | .20 |
| Through-hole CR1220 battery clip | Digi-Key 3000k-nd | .42 |
To make this kit in a workshop setting, you’ll also need some ...
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