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README.md

Picoシリーズと4x4キーパッドを使ったUSB接続キーパッド

Raspberry Pi Picoシリーズで動くUSB接続キーパッドのサンプルです。

Requirements

  • Pico 2またはPico 1
  • Arduino向けのキーパッド(たとえばこのような製品
  • SD1306採用$I^2C$接続の128×32ドットOLEDモジュール(たとえばこのような製品
  • 小信号用シリコンダイオード1N4148
  • ブレッドボード
  • ジャンパ類(適量)

Schematic

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