NodeMCU is an open source firmware based on Lua, specifically designed for Espressif’s ESP8266/ESP32 WiFi SOC chips. It uses a modular flash-based SPIFFS file system. NodeMCU is written in C and is based on Espressif’s non-operating system SDK. Initially, NodeMCU firmware was developed as a companion project for the popular ESP8266-based NodeMCU development module, but … Read more
Introduction This example will demonstrate how to use the ESP8266-based NodeMCU to upload temperature and humidity data collected through the DHT11 sensor to the MQTT cloud service using the MQTT protocol. It will also show how the application side subscribes to these data and processes them. The reason for using the MQTT protocol is that … Read more
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
Reading this article will take approximately 10 minutes. Getting to Know NodeMCU Development Board NodeMCU is an open-source IoT hardware development board. It has gained increasing popularity among makers worldwide in recent years due to its support for WiFi functionality and its similarity in usage to Arduino development boards. The size of NodeMCU is similar … Read more
1. Introduction to the Wildfire ESP8266 Module The ESP8266 features a high-performance wireless SOC, bringing good news to mobile platform designers. It offers maximum utility at the lowest cost, providing endless possibilities for embedding WiFi functionality into other systems. The ESP8266 is a complete and self-contained WiFi network solution that can operate independently or serve … Read more
Introduction The ESP32 and ESP8266 are among the most popular IoT development boards on the market today, featuring powerful WiFi and Bluetooth capabilities, along with a rich set of interfaces to meet various IoT application needs. This article will detail the interfaces available on the ESP32/8266 and what they can be used for. GPIO Interface … Read more
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
Follow the official account “GitHub Dictionary” Set as “Starred”, bringing you to explore GitHub every day! From Quantum Bit In the dead of night, when your neighbors are arguing, partying, or children are crying, how do you deal with it? Knock on the door? Use earplugs? Silently endure until you’re on the verge of a … Read more
1. Introduction to OTA OTA stands for Over-the-Air, which refers to the technology for remote management of SIM card data and applications through mobile communication (GSM or CDMA) over the air interface. The air interface can utilize WAP, GPRS, CDMA1X, and SMS technologies. The application of OTA technology allows mobile communications to not only provide … Read more
Follow us on WeChat “DLGG Maker DIY“ Set as “Starred“, delivering heavy content to you in real-time. Recently, I wanted to play with audio playback again. I dug out some previous articles to review. This time I plan to use M5stickC, the one with a strap that you can wear on your wrist, yes, it … Read more