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micro:bit / microbitAdvent Calendar 2018

Day 5
@hakatamax

micro:bitの音を大きな音で楽しもう・アンプ内蔵スピーカーの改造

Last updated at Posted at 2018-12-05

2018-12-06_00-12-06_411.jpeg

#内容
micro:bitに付けるタイプのスピーカーの音は小さい！でもそのために別電源は使いたくない！ということでmicro:bitから電源を取れるアンプ内蔵スピーカーを作りました。

#必要なもの
100円ショップで売っている300円のアンプ内蔵スピーカー(本来はUSBケーブルで電源を取る)

#改造方法
—開ける
2018-12-05_18-14-36_543.jpeg

—VCCとGNDにはんだ付け
2018-12-05_18-45-31_581.jpeg

以上です。
あとはmicro:bit拡張ボード上の3.3VとGNDに接続すればOK!
スピーカー用の電源なしに大音量で楽しめます！

#動作の様子

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