Author: Lucien KUANG, ST engineerClick to download pdf document to view:Keywords: BlueNRGProblem: When some customers are debugging in the later stages of a project, there is no serial port to lead ou...
It was a good weekend. I didn't work overtime and I slept in the morning, so I'll post it in the evening. I'm very happy. I've got the OLED screen driver. I didn't succeed in porting it with the offic...
How should I choose PCB surface treatment? How should I choose between HASL and OSP?
Which FR4 PCB is better? What is the difference between the two in terms of price and performance? Can anyone give ...
My current job is to patch up the problems and reduce costs. I saw others using INA169 as a high-side current detector on a large PCB, as a sampling input for electronic fuses.
I spent some time think...
As the title says, what should I do if my working time is scattered? Every time I make something, I often haven't understood the original hardware and software, and the software writers will throw me ...
Today, many portable electronic products require backlight LED driver solutions that have the following features: DC control, high efficiency, PWM dimming, overvoltage protection, load disconnect...[Details]
Today's portable product designs have some conflicting requirements for the batteries used. For example, more product features increase power consumption, and users also want longer battery lif...[Details]
Recently, NE Times released statistics showing that in the first quarter of 2024, the installed capacity of power batteries for new energy passenger vehicles was 74.8GWh, a year-on-year increase of 37...[Details]
1. Analysis of Misunderstandings of LED Heat Dissipation The misunderstandings of LED heat dissipation are mainly reflected in the following aspects: 1. The internal quantum efficiency is not h...[Details]
Scientists from Uppsala University in Sweden and First Solar's European Technology Center have jointly developed a new copper indium gallium selenide (CIGS) solar cell with an energy conversion eff...[Details]
Recently, Tesla has made a new move and officially launched its first self-developed photovoltaic inverter!
Since acquiring SolarCity in 2016, Tesla has been providing its own solar energy sol...[Details]
The pin used is PA3, which is channel 3 of ADC1. 1. Main parameters of ADC a. Resolution----The resolution of stm32f407 is 6 bits, 8 bits, 10 bits, and 12 bits. If the reference voltage is 3.3, the...[Details]
0 Introduction ECG signal is one of the earliest bioelectric signals studied and applied in medical clinics by human beings. Diagnosing cardiovascular diseases through ECG signal is the most commo...[Details]
Analysis of Boundary Scan Principle The core idea of boundary scan technology is a boundary scan unit inserted between the core logic and I/O pins inside the device. It is "transparent" when the ch...[Details]
Abstract: Analyze the main causes of interference in the DSP system and provide anti-interference countermeasures; use TI's DSP chip TMS320LF2407A as the processor to form a control system. Through th...[Details]
The advantages of hybrid excitation motors include:
High efficiency: Hybrid excitation motors utilize the advantages of permanent magnets and electromagnets to achieve high-efficiency conversi...[Details]
1. Working principle of frequency converter
According to the energy conversion situation, frequency converters can be divided into two types: AC-AC frequency converter and AC-DC-AC frequency c...[Details]
Preface This series of blog posts is used to introduce the NEON instruction optimization under ARM CPU. Blog post github address: github Related code github address: github NEON instruction set Mos...[Details]
introduction
Stepper motor
As an actuator, it is widely used in various types of automatic control systems. It is an electromagnetic mechanical device that converts discrete electrical...[Details]
ST - Low Power RF
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