Bluetooth-ELM327アダプタのUARTラインから線出しし、ArduinoのUARTからのATコマンド経由で データを取得します。 サンプルではDFRobotの7セグモジュールを使用して、エンジン回転数[rpm]を表示します。

A tachometer used to be an accessory added to the dash of only the sportiest of cars, but now they’re pretty much standard equipment on everything from sleek coupes to the family truckster. If your ...

There are thousands of tacho gauge models and copies of varying quality available, they may or may not work correctly, please take this into consideration before buying parts. Speed of the tachometer ...