Here is a simple Arduino Camping Light project. In this design, only one push button switch is used to control the light output (from a bunch of white LEDs) between off, dim, medium, and full ...

Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. Anyone interested in creating interactive objects can “play” with Arduino! Described ...

[Alex] needed a project for his microcomputer circuits class. He wanted something that would challenge him on both the electronics side of things, as well as the programming side. He ended up ...

18650で使うLEDライトをイロイロご紹介♪ 本連載の前回分「充電式フラッシュライトに乗り換え中」にて、LEDライトの類を充電式にリプレイスしているという話を書きました。乾電池（一次電池；使い切りの電池）を使うライトを徐々にヤメて、リチウム ...

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