手元のBluetoothモジュール「HC-05」がなぜかマスターモードに切り替わらない、ArduinoでATコマンドが通らない…とお悩みの方へ。本記事では、Ver2.0と3.0の挙動の違いを徹底検証し、原因の解析と正常動作する改良版プログラムをまとめました。 電子工作でお ...

The diagram shows how to connect the terminals so that the AT commands can be executed. The Arduino must be running a basic program. During the tests, the AT+INQ and ...

A robot car developed using Arduino that can operate in 3 modes - Manual, Automatic and Voice. The car is controlled wirelessly via Bluetooth with an android app developed using MIT App Inventor.

The HC-05 is a cost-effective Bluetooth module that facilitates wireless communication between devices. Operating on Bluetooth 2.0 (EDR) and supporting the Serial Port Profile (SPP), the HC-05 is ...

The HC-05, a Bluetooth to serial bridge, can be found for around $5 on the internet and therefore may be the cheapest way to add Bluetooth connectivity to your project. However, its default settings ...