put together a Bluetooth oil tempeartue sensor that sends data to RaceChrono app. Physically the sensor fits average oil filter sandwich. The code, schematics and instructions are provided with no ...

[Edward], creator of the Cave Pearl project, an underwater data logger, needed a way to measure temperature with a microcontroller. Normally, this problem is most easily solved by throwing a ...

The LM35 is a precision integrated-circuit temperature sensor (PTAT; proportional to absolute temperature) manufactured by Texas Instruments (https://www.ti.com ...

今回は簡単に言うと、Bluetoothの信号をスマートフォンで受信する手順を紹介したいと思います。 今回のサンプルは ESP32 で実装しますので、まず開発環境を準備しましょう。 アマゾンや秋月電子などでESP32は購入可能です。 ステップ： 1、Arduino 開発ソフトを ...

「Bluetoothセンサを接続して、フィットネスバイクのクランク回転数を測る（1）」で、Bluetooth センサ・M5StickC Plus の通信ができたので、フィットネスバイクのクランク回転数計測はおおよそできそうです。残る機能は積算した値を LCDディスプレイに書くだけ ...

Arduino has bought out second revisions of its Nano 33 BLE and Nano 33 BLE Sense bluetooth-equipped microcontroller boards, keeping the sensor mix, but changing several of the sensor ICs. The nRF52840 ...