Computer engineer Thiery Guennou based in France has created a new Arduino compatible precision frequency counter 5 or 120 MHz. The inspiration behind the Arduino board was to build an open, very ...

Making a microcontroller perform as a frequency counter is a relatively straightforward task involving the measurement of the time period during which a number of pulses are counted. The maximum ...

株式会社スイッチサイエンス（本社：東京都新宿区、代表取締役：金本茂）は、Arduinoが2025年10月7日に開催した公式イベントで発表した最新モデル「Arduino Uno Q」を、工事設計認証（いわゆる技適）の取得及び表示などの準備が整い次第販売開始いたします。

We were struck by how attractive [mircemk’s] Arduino-based frequency counter looks. It also is a reasonably simple build. It can count up to 6.5 MHz which isn’t that much, but there’s a lot you can do ...

With loudspeakers, an important parameter is the frequency at which their cones resonate. This clever Arduino-based tester ...