Designed by Namnam in Vietnam, the ESP32 Modbus gateway is built to communicate with PLCs and industrial sensors over Modbus RTU (RS-485) or Modbus TCP/IP (Ethernet/Wi-Fi). Designed for use in farms, ...

1 前期准备因为async-mqtt-client使用异步,会额外依赖异步库对于ESP32核心的,依赖me-no-dev AsyncTCP (ESP32)8266的芯片依赖me-no-dev E ...

一、MQTT简介1 1 实现方式实现MQTT协议需要客户端和服务器端通讯完成，在通讯过程中，MQTT协议中有三种身份：发布者（Publish）、代理（Br ...

在小型物联网项目领域，ESP32作为一款经济高效且功能强大的微控制器大出望外。将它与MQTT代理配对可以为资源受限环境中的设备通信提供简化的解决方案。在本文中，我们将比较使ESP32能够充当MQTT代理的两个库：PicoMQTT和SMQTT broker。这两个库都适合轻量级设置，但在功能集和性能上有所不同。

MQTT Broker：代理接收所有消息，过滤消息，确定谁订阅了每条消息，并将消息发送给这些订阅的客户机。 现在，在本教程中，我们将解释如何使用ESP32和Arduino IDE库连接到MQTT代理并订阅主题。

In this paper are described how to make an IoT remote car diagnostic using Esp32 and MQTT. The data are getting from the CAN bus from the car and it is send to the IoT server - Cloud. The used ...

Mqtt connection example on an Esp32 device. Contribute to kchauxs/esp32_mqtt_client development by creating an account on GitHub.

The Theengs Plug ESP32 smart plug runs OpenMQTTGateway firmware to serve as a BLE MQTT gateway and power meter compatible with Home Assistant, Homebridge, OpenHAB, DomoticZ, FHEM, Jeedom, NodeRed, AWS ...