UNO R4 WiFi

Connecting WiFi and MQTT with ESP32 TFT Touch Screen Development Board (MicroPython)

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Connecting WiFi and MQTT with ESP32 TFT Touch Screen Development Board (MicroPython)

NO.1 wifi+mqtt To display the corresponding data without using sensors It is necessary to prioritize obtaining and visualizing data from the network (connect to WiFi and request API) (LVGL) Several MQTT libraries were used, and finally, micropython-mqtt was chosen Reference article 《MicroPython[ESP32-S3]: Setting up MQTT connection with micropython-mqtt》 GitHub address https://github.com/peterhinch/micropython-mqtt/tree/master This is an alternative … Read more

Getting Started with ESP32-C3: Development Environment Setup

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Getting Started with ESP32-C3: Development Environment Setup

Getting Started with ESP32-C3: Development Environment Setup 1. Introduction 2. Setting Up the Development Environment 2.1 Downloading the ESP-IDF Environment 2.2 Compiling the Code 2.3 Programming and Verification 3. ESP32-C3 LED Analysis 4. Using WiFi Functionality 5. Conclusion 1. Introduction The ESP32-C3 uses a chip based on the RISC-V architecture, which is currently focused on … Read more

ESP32 Microcontroller Connecting to Hotspot Network Example & Hotspot & Web Security Verification

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ESP32 Microcontroller Connecting to Hotspot Network Example & Hotspot & Web Security Verification

#include <WiFi.h>#include <WebServer.h> const char* ssid_ap = "ESP32 Hotspot"; // Name of the ESP32 hotspot const char* password_ap = "abcd12345"; // Hotspot password String ssid_target = ""; // Target WiFi SSID String password_target = ""; // Target WiFi password // Create Web Server instance WebServer server(80); // Web server listens on port 80 // HTML … Read more

Quick Guide to ESP32 with MicroPython: Example Code Included

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Quick Guide to ESP32 with MicroPython: Example Code Included

This article provides a quick guide to the ESP32 (based on MicroPython) — including example code. In just forty minutes, you can get started with the ESP32 using MicroPython. The content includes environment setup, GPIO, delay functions, timers, PWM, ADC, Flash operations, WiFi connections, and MQTT integration. By following along and coding yourself, you can … Read more

Configuring Guest WiFi on OpenWRT

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Configuring Guest WiFi on OpenWRT

1. Add a New AP Access Point Go to Network –> Wireless page and click the add button for your wireless interface. Create a new network interface in the network section (other settings can be customized). 2. Edit the New LAN Interface After saving and applying, a new interface will appear in Network –> Interfaces, … Read more

Configuring WiFi via Bluetooth using NanoFramework on Microcontrollers

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Configuring WiFi via Bluetooth using NanoFramework on Microcontrollers

Configuring WiFi via Bluetooth using NanoFramework on Microcontrollers Using Nanoframework to configure the WiFi name and password via Bluetooth Here are the basic tools needed One ESP32 device that needs to support Bluetooth and WiFi. Generally, ESP32 supports both WiFi and Bluetooth. The ESP32 interface used in this tutorial is Type-C. Here is the physical … Read more

How to Transform NodeMCU into a WiFi Hotspot in Seconds

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How to Transform NodeMCU into a WiFi Hotspot in Seconds

NodeMCU Series Tutorial: ESP8266 and the IoT Magic Device NodeMCU Light Up an LED: How to Program NodeMCU Using Arduino IDE In the previous article, we introduced how to light up an LED using NodeMCU, which is the most basic step in learning any microcontroller. Ideally, we could explain how to drive various sensors and … Read more

Unlocking Three New Ways to Connect Blynk IoT Using WiFi

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Unlocking Three New Ways to Connect Blynk IoT Using WiFi

Author: Mo & Tie Xiong Blynk is a hardware-agnostic IoT platform that is simple and convenient to use. You can create beautiful app interfaces just by dragging and dropping components, and with a small amount of code, you can complete the development of an IoT project, making it one of the simplest IoT platforms. With … Read more

Introduction to WiFi Development with Arduino for ESP8266

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Introduction to WiFi Development with Arduino for ESP8266

To help first-year students quickly master WiFi development technology, student Guo Tianxiang from the Information Communication department wrote two WiFi learning examples based on ESP8266 during afternoon tea. 1. WiFi Home Lighting Control System Build a server using the built-in processor of the WiFi module, support access via common mobile browsers, and control the indoor … Read more

Does HDMI on Raspberry Pi 4 Affect WiFi?

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Does HDMI on Raspberry Pi 4 Affect WiFi?

The Raspberry Pi 4 is truly an amazing design. It has received widespread acclaim since its launch. However, a test report from Enrico Zini shows that under certain conditions, the HDMI display output of the Raspberry Pi 4 can interfere with its own WiFi. On the Raspberry Pi 4, some users have noticed that its … Read more