前回は「Bluetoothを使ってみよう！（受信編）」でESP32においてBluetooth通信をする際の受信側について紹介しました。今回は前回作成した受信用ESP32に送信するプログラムを作成します。 なので、前回作成した受信用のESP32を事前に準備しておいてください。

Typically associated with circuitry projects and real-time operating systems, microcontrollers are great for tinkerers who prefer working with embedded devices. But unlike their SBC counterparts, you ...

Este proyecto consiste en dos programas para el microcontrolador ESP32 que permiten establecer una comunicación bidireccional con un dispositivo Android mediante Bluetooth clásico (SPP), simulando un ...

ESP32 development board (such as ESP32-WROOM-32 or ESP32 DevKit V1) 5 push buttons 5 resistors (10 kΩ) Jumper wires (male-to-male and male-to-female) Breadboard (optional, for prototyping) Software: ...

An ideal application for mesh networking is off-grid communication; when there’s no cellular reception and WiFi won’t reach, wide-area technologies like LoRa can be used to create ad hoc wireless ...

Security is hard. Just as Espressif Systems announced PSA Level 2 for the ESP32-C6 microcontroller, Spain-based cybersecurity company Tarlogic published their findings about a hidden Bluetooth ...