使用するマイコンボードはArduino Uno R4 Wifi となります。 UNO R4 WiFi | Arduino Documentation Arduino Uno R3にはなかったBluetooth機能を使用してみたので、エラー (starting Bluetooth® Low Energy module failed!)で詰まったところや、Arduino Uno R4 BLE ...

Abstract: The water level indicator project utilizes an Arduino Uno microcontroller, an LCD display, and a Bluetooth module to provide an efficient solution for monitoring water levels and controlling ...

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — either via Bluetooth or Wi-Fi with an ESP8266 ESP-01 module. With ...

An Arduino UNO-based system using the MQ135 sensor to detect harmful gases. Alerts are given via LED and buzzer, with real-time data shown on an LCD and sent to a mobile app via Bluetooth for ...

Arduino has recently introduced a new Bluetooth-based provisioning flow on the Arduino Cloud, starting with the UNO R4 WiFi board. This feature simplifies the initial setup process, making it faster ...

ルネサス製マイコンとWi-Fiモジュールを搭載したArduinoマイコンボード「Arduino Uno R4 WiFi」が千石電商 秋葉原本店で販売中。価格は4950円だ。 定番のマイコンボードであるArduino Unoの最新版として6月に発売された、「Arduino Uno R4 Minima」のWi-Fi対応モデルにあたる ...

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, impacting the Arduino Nano RP2040 Connect, ...

Measuring the speed of a rotating object is a common requirement. Knowing the speed of table and ceiling fans, as well as kitchen appliances such as mixers and grinders, can often be useful. However, ...