This is a small size led flasher built with the 555 timer IC that is powered from 2 x 1.5V batteries. The circuit can be used as a flashing metronome, dark room timer, memo-reminder or other similar ...

The purpose of building this circuit is to create a LED flasher with alternating sequence from the two LEDs where the operation is based on the functionalities of a 555 timer integrated circuit. 555 – ...

〜難しそうに見えて実はカンタン。555タイマーで遊ぶ“最初の一歩”〜 この記事で分かること NE555タイマーが何をするICなのか（超ざっくり理解できる） LEDを1個チカチカさせる“基本回路”の作り方 LEDを2個“交互点滅”させる方法 ブレッド ...