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PROJECT
246

Creating Custom Coin Cell Battery Holders for LED Sewing Kits

By bekathwia

Discover how I created a custom coin cell battery holder PCB, designed for simple circuits in LED sewing projects. Tips, tricks, and manufacturing ‎insights.

PROJECT
21

LED Crystal Goddess Crown

By SparkFun Electronics

In this project, we’ll create a wearable LED Crystal Crown using a simple circuit made of 7x Super Bright White LEDs wired in parallel and powered by two coin cell batteries wired in series.