I used Wanli's demo board EK-STM3210E, and the compiler was MDK.It's best not to use the board's emulator ST LINK II. A lot of inexplicable crashes were annoying.Many of them died in HardFault_Handler...
I recently got a prototype for measuring PM2.5 and I just couldn't figure out the principle of signal collection. Since the front-end chip model of the machine has been erased, I can't get the circuit...
I met a European friend not long ago. I happened to know that he always carried a portable notebook with him. Due to the wireless network problem, it is useless in China. I heard from my friend that i...
This time, PYB Nano development board is used to drive LCD1602A display. In order to reduce wiring, four-wire connection is adopted. Since the contrast adjustment pin V0 of LCD is directly connected t...
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
1. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
1 Introduction
Intelligent cars are the embodiment of the cross-integration of multiple disciplines such as automotive electronics, artificial intelligence, pattern recognition, automatic con...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
AD7708 is a multi-channel 16-bit Σ-Δ analog-to-digital converter ADC. It supports 4 or 5 channels of true differential input and 8 or 10 channels of pseudo differential input. This chip allows two ...[Details]
0 Introduction
Gyroscope
is a sensitive measuring element of the platform stabilization system. It senses the angular motion signal of the platform and establishes the stability bench...[Details]
An MDO mixed domain oscilloscope has three main elements:
First, time-related cross-domain analysis;
Second, broadband, high time precision modulation domain analysis;
Third, the fiv...[Details]
When developing single-chip microcomputer application systems, assembly language is a commonly used software tool. It can directly operate hardware and has fast execution speed of instructions. Howeve...[Details]
Overview
For chemical fiber production, Q/A air conditioning system is a key factor affecting quality. The intelligent control system is a network system composed of a central management stat...[Details]
Engineers usually use multiple groups of cheap small-capacity batteries in parallel to achieve the larger battery capacity required by UPS. If multiple groups of batteries with poor performance uni...[Details]
LED lamp beads are voltage-sensitive devices and capacitive loads. In actual work, the current accuracy is required to be high, which is one of the main issues affecting the luminous efficiency and...[Details]
0 Introduction
For a long time, the study of the electrical properties of biological tissues has been a hot topic in biomedical engineering. The electrical properties of biological tissues are ...[Details]
Preface
For a new antenna, we usually care about its
three main performance indicators:
standing wave
coefficient, gain and radiation pattern. In a suitable microwave darkroom, these th...[Details]
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