How to Transition from MCU to Embedded Linux?

How to Transition from MCU to Embedded Linux?

Click to Grab a Free Registration Spot A friend on Zhihu asked: After 6 years in microcontrollers, how to transition to embedded Linux? It’s quite awkward now; the microcontroller products I work on always feel repetitive, and I want to learn something new but don’t know how to transition. Today, I will use this question … Read more

Solution for No Cortex-M Device Found in JTAG Chain

Solution for No Cortex-M Device Found in JTAG Chain

Today I flashed a firmware, and it ran normally. However, when I tried to flash another firmware, I encountered this issue: No Cortex-M Device found in JTAG chain.Please check the JTAG cable and the connected devices. I found the answer on Baidu, which indicated that treating the JTAG pins as I/O pins would cause the … Read more

Common PCB Debugging Skills You Should Master

Common PCB Debugging Skills You Should Master

Whether it’s a board made by someone else or a PCB board designed and produced by yourself, the first thing to do upon receiving it is to check the integrity of the board, such as issues with soldering, cracks, short circuits, open circuits, and drilling. If the function of the board is relatively strict, it’s … Read more

Common Issues and Solutions in IoT Installation and Debugging

Common Issues and Solutions in IoT Installation and Debugging

Click the blue text to follow us Various common issues are encountered during the installation and debugging of IoT. 1. Device Connection Issues: There may be connection problems between IoT devices, such as devices not being recognized, unstable connections, or disconnections. These issues may arise due to device compatibility, signal interference, or improper network configuration. … Read more

Classic Microcontroller Power Supply Circuit Analysis

Classic Microcontroller Power Supply Circuit Analysis

Click the blue text to follow us Today, we will analyze a classic microcontroller power supply circuit. The circuit schematic is shown in the figure below: ▲ Simplified switch circuit Before powering the circuit, the switch “TEST” is open, and the microcontroller is not powered through VCC. At this time, the base of T1 is … Read more

Common Issues and Solutions in STM32 Debugging

Common Issues and Solutions in STM32 Debugging

Click the above “Chuangxue Electronics” to follow and easily learn electronic knowledge. Chuangxue Electronics Subscription Daily updates on technical articles in the electronics industry and the latest news on microcontrollers, allowing you to learn easily anytime, anywhere. In the debugging of STM32 microcontrollers, a series of issues may arise. This article mainly introduces the possible … Read more

Hardware Debugging of STM32F373 Control Board

Hardware Debugging of STM32F373 Control Board

Signal Acquisition and Control Circuit Board Based on STM32F373 – Production Process[1] 01 STM32F373 Debugging Process 1. Introduction   This is the signal acquisition and control circuit board just made, designed based on the STM32F373 microcontroller. Below, we will debug this freshly soldered circuit board to prepare for the subsequent software development. 2. Preliminary Debugging 1. … Read more

Building STM32 F103C8T6 System Board Download Circuit Tutorial

Building STM32 F103C8T6 System Board Download Circuit Tutorial

1. What is a Download Circuit The download circuit of a microcontroller refers to the hardware circuit used to download the written program (firmware) to the internal memory of the microcontroller. This process is often referred to as programming or flashing. The download circuit includes the debugging interface with the microcontroller and the corresponding circuit … Read more

Powerful ITM Debugging Tool for STM32

Powerful ITM Debugging Tool for STM32

STM32 has a code tracing feature, known as ITM, which is a very powerful debugging function that can replace serial input/output functionality, requiring only one I/O line to implement. Of course, its benefits are not limited to this; when debugging embedded operating system code, you will find it quite convenient. However, the focus of this … Read more