Blogs
Jun 11, 2022
Understanding UART
In the world of electronics and microcontrollers, communication between devices is crucial. One popular method for serial communication is UART, which stands for Universal Asynchronous Receiver/Transmitter. This blog will walk you through the basics of UART, its working principle, and its applications.
Read More
Aug 9, 2022
Universal Asynchronous Receiver / Transmitter
A UART, also known as a Universal Asynchronous Receiver/Transmitter, is a semiconductor device programmed to oversee the connection between a computer and its serial peripherals. Its primary function is to facilitate communication between the computer and devices like modems.This enables the exchange of data between the computer and various serial devices.
Read More
Sep 17, 2022
Firmware Emulation Techniques
This article delves into the firmware emulation techniques for the NETGEAR WNAP320, a wireless access point. It explores methods to extract, analyze, and emulate its firmware to understand its inner workings. By leveraging tools like QEMU and binwalk, researchers can uncover security vulnerabilities and test modifications in a controlled environment. The guide provides insights into reverse engineering embedded systems for security analysis and development purposes.
Read More
Oct 23, 2022
SPI:Serial Peripheral Interface
SPI (Serial Peripheral Interface) is a synchronous serial communication protocol commonly used for connecting microcontrollers to peripheral devices such as sensors, memory modules, and other integrated circuits. It facilitates full-duplex, bidirectional communication between a master device and one or more slave devices.
Read More
Dec 17, 2022
JTAG:Joint Test Action Group
JTAG, or Joint Test Action Group, is a standardized interface primarily used for testing, debugging, and programming electronic devices like integrated circuits and printed circuit boards. It enables efficient access to and control of internal circuitry for tasks such as boundary scan testing, real-time debugging, and programming microcontrollers.
Read More
Jan 20, 2023
MODBUS
Modbus is a widely used open communication protocol that allows communication between various industrial and automation systems. use for programmable logic controllers (PLCs) and it's become the kind of a de facto standard for communication at the industrial levels. It ensures communication between a master (e.g., PLC, SCADA system, or computer) and one or more slave devices (e.g., sensors, actuators, or controllers).
Read More