Expanding Docker Disk Space and Using Docker on OpenWrt for NanoPi R2S

Expanding Docker Disk Space and Using Docker on OpenWrt for NanoPi R2S

NO.1 Content Correction First, the firmware recommended in the previous article needs to be corrected. Reference Article <<OpenWrt Router (NanoPi For NAS All In One R2S): Firmware Installation and Expansion (Squashfs)>> The author sirpdboy provides a free version of the firmware, which can install Docker and Docker Compose, but cannot install Dockerd. Therefore, you can … Read more

A Deep Dive into the ESP8266/ESP32 Automatic Download Circuit

A Deep Dive into the ESP8266/ESP32 Automatic Download Circuit

Background Recently, I needed to create an ESP32 board by myself. Considering cost and packaging, I planned to choose CH340E as the USB-to-serial chip. Generally, ESP8266/ESP32 boards have an automatic download circuit that allows users to enter download mode for firmware flashing without pressing a button. However, the automatic download circuit requires serial chip support … Read more

NodeMCU: An Open Source Firmware Based on Lua for ESP32/ESP8266

NodeMCU: An Open Source Firmware Based on Lua for ESP32/ESP8266

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

How to Install Application Filtering Plugin on OpenWrt Official Firmware

How to Install Application Filtering Plugin on OpenWrt Official Firmware

Many people ask if there is a plugin for OpenWrt application filtering that can be installed. I have replied to many users, but later I couldn’t keep up with the replies and clearly stated in the project that it is not supported, because it is too troublesome to be compatible with various OpenWrt versions, and … Read more

Understanding BadUSB: Principles and Examples Using Arduino and AVR Libc

Understanding BadUSB: Principles and Examples Using Arduino and AVR Libc

* Original Author: Niqiao Security. This article is part of the FreeBuf original reward program. Reproduction without permission is prohibited. 1. Introduction In 2014, at the Black Hat conference in the United States, researchers Jakob Lell and Karsten Nohl presented the attack method of BadUSB. Although there have been some articles related to BadUSB in … Read more

Powerful ESP32-CAM Web Server: A Comprehensive Guide

Powerful ESP32-CAM Web Server: A Comprehensive Guide

Introduction ESP32-CAM-WebServer is an extended version of the ESP32 camera firmware, providing users with the ability to easily control and configure the ESP32 camera through a web interface. This firmware is based on the popular ESP32-CAM camera and adds many new features and improvements, making it a versatile and user-friendly solution. Installation and Configuration The … Read more

Firmware Analysis of IoT Devices: A Beginner’s Guide

Firmware Analysis of IoT Devices: A Beginner's Guide

Introduction In recent years, IoT devices have infiltrated every aspect of life, bringing great convenience to people. However, due to the data and privacy information generated in daily life, their security has become a growing concern. In the previous article, we discussed controlling Xiaomi devices using scripts, focusing on security analysis from a traffic perspective; … Read more

LineageOS 21 Unofficial Android 14 for Redmi Note 8 Pro

LineageOS 21 Unofficial Android 14 for Redmi Note 8 Pro

Basic Information ROM Name: LineageOS ROM Version: 21.0 Android Version: 14 Developer: zxcwsurx Build Date: 2024.5.3 Changelog Initial a14(QPR2) release Merged April 2024 security patches Notes Does not include GAPPS Does not include TWRP and firmware Based on MIUI 12.5 base Download Please visit the download link to download Screenshots

NodeMCU Firmware: An Open Source Solution for ESP8266 Development

NodeMCU Firmware: An Open Source Solution for ESP8266 Development

In the rapid development of the Internet of Things, the ESP8266, as a powerful Wi-Fi system chip, is widely popular among developers. The NodeMCU Firmware provides great convenience for building projects based on the ESP8266. This article will delve into the features, programming model, usage methods, and community support of NodeMCU Firmware to help you … Read more