Abstract: This paper presents a novel approach to home automation utilizing the MQTT protocol. The system is implemented using an ESP32 node and a Node-RED server running on a Raspberry Pi, allowing ...

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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, ...

Hi! On my project wsing ESP32 I am trying to connect to a MQTT server using SSL. For what I see I need to write the command "mqttClient.setSecure(true);" before setting up the MQTT connection but when ...

Sometimes you need to create a satellite navigation tracking device that communicates via a low-power mesh network. [Powerfeatherdev] was in just that situation, and they whipped up a particularly ...

An attorney-client relationship must exist. The communication must be for and relate to a legal purpose. The client must make the communication. The communication must be intended to be confidential.

One of the hardest parts about running a business is telling a client “no.” When your business depends on every client who reaches out, turning down a request can sometimes lead to uncomfortable ...

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I have deployed Thingsboard CE version 3.2.1 and connecting my ESP32-S3 dev-kit with MQTT client with access token as mqtt-client username. Sometimes I am getting mqtt connection failure with below ...