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Why 90° PCB Angles Are Avoided
Better Angles. Better Flow. Better PCBs. Figure 1: Visual comparison of 90°, 45°, and Arc/Fillet trace routing on a PCB Introduction PCB trace routing is far more than connecting dots on a board. Every bend, corner, and curve in a copper trace directly affects signal integrity, manufacturing yield, and long-term reliability. Among the most misunderstood aspects of PCB layout is the treatment of trace angles — specifically, why the industry standard strongly discourages routi
Uchi Embedded Solutions
2 days ago5 min read
Supercharge STM32 Debugging with STM32CubeIDE & PE Micro Tools
STM32CubeIDE is a powerful Eclipse-based development environment used for building and debugging applications on STM32 ARM microcontrollers. It provides integrated tools for code generation, compilation, and debugging. For advanced debugging scenarios, external debug probes such as PEMicro Cyclone and PEMicro Multilink can be used. These devices extend debugging capabilities through a dedicated Eclipse GDB plugin, enabling seamless integration with STM32CubeIDE. This article
Uchi Embedded Solutions
2 days ago3 min read
How I Analyse I2C Communication Using Saleae Logic Analyzer
In this article, I will show how I analyse I2C communication using a Saleae logic analyzer. This tutorial explains the basic setup, how to capture signals, how to enable the I2C protocol analyzer, and how to understand the decoded data. The same method can be used when debugging communication between a microcontroller and peripheral devices such as sensors, EEPROM, or display controllers. I2C is one of the most used serial communication protocols in embedded systems. It use
Uchi Embedded Solutions
Apr 154 min read
Secure Provisioning of STM32H503 Devices: A Comprehensive Guide
Understanding STM32H503 and Its Security Features The STM32H503 family from STMicroelectronics is built on the ARM Cortex-M33 core. It includes an advanced security lifecycle as part of the STM32H5 architecture. Unlike older STM32 series, STM32H5 devices support controlled product states. This allows a device to be provisioned, secured, locked, and later reopened through an authenticated regression process. This mechanism is essential for secure production environments where
Uchi Embedded Solutions
Mar 275 min read
Overview of LIN
The Local Interconnect Network (LIN) uses a master-slave architecture consisting of one LIN master and one or more LIN slave nodes. Communication begins with a message header, which includes a break field to indicate the start of the frame and a sync field that allows slave nodes to synchronize their clocks. The identifier (ID) field contains a 6-bit message ID along with a 2-bit parity field. This identifier defines the type of message rather than the destination node. Once
Uchi Embedded Solutions
Mar 275 min read
Introduction to ARM Architecture and the Working Principle of Its Modules
ARM stands for Advanced RISC Machine and is one of the most widely used and licensed processor architectures in the world. The first ARM processor concept was developed in 1978 at Cambridge University, and the first practical ARM RISC processor was produced by Acorn Computers in 1985. ARM processors are widely used in portable and embedded devices such as digital cameras, mobile phones, home networking systems, wireless communication devices, and many other embedded applicat
Uchi Embedded Solutions
Mar 275 min read
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