With the release of the beta version of ESP-IDF 4.x, MicroPython for ESP32 is now divided into two versions: ESP-IDF v3.x and ESP-IDF v4.x:Firmware built with ESP-IDF v3.x, with support for LAN and PP...
Masters, the gasoline pump used in Mercedes-Benz cars currently has three wires UVW coming out of the fuel pump computer to directly control the operation of the three-phase fuel pump. I took it apart...
I usually compare the performance of MCUs by calculating pi, because Python supports large integer operations, and pi calculations happen to use large integers, which can initially reflect the integer...
I don't use a DCDC drive circuit like this H-bridge. What is the principle of this? Is there any difference between it and the general step-up and step-down?...
How to measure the signal of positive and negative 1.5V using a single power supply system? If the signal changes quickly, it can be measured through coupling. But if it is a signal that changes slowl...
IDC data shows that China’s AR/VR headset shipments will reach 1.206 million units in 2022. As of the fourth quarter of 2022, AR product shipments under $500 accounted for nearly 90%. With the rapid ...[Details]
Function of
the circuit
The purpose of the universal filter is to simplify the filter design, integrate the basic circuit, connect the low-pass filter (LPF), high-frequency filter ...[Details]
Automobile diagnostic technology is a method and means of testing the performance and checking faults of automobiles by instruments and equipment. It can test various working performance indicators of...[Details]
1. Advantages of infrared thermometer temperature measurement Non-contact temperature measurement by receiving infrared rays radiated by the object under test has many advantages. In this way, the te...[Details]
ROHM (headquartered in Kyoto, Japan), a world-renowned semiconductor manufacturer, has established the technology to commercialize D/A converter ICs (hereinafter referred to as "DAC chips"), which ar...[Details]
Today I used arrays and pointers to implement a marquee.
There were several problems before:
Program description: LED1_ON, LED2_ON, LED3_ON and LED4_ON are defined in s3c2440addr.h; put...[Details]
Recently, Jiangsu Microguide Nanotechnology Co., Ltd. (referred to as "Microguide Nano") received its first order from an advanced semiconductor chip manufacturer and is about to deliver the first at...[Details]
On January 15, 2010, the "National Key Laboratory of Solar Photovoltaic Power Generation Technology" was laid at Yingli Group in Baoding, Hebei. Since then, my country's solar photovoltaic industry ha...[Details]
With the continuous improvement of hospital information construction, networking has become the mainstream direction of hospital video surveillance development. The flexibility, openness and scalab...[Details]
"Innovation for the Future" is the slogan of the 14th Shanghai Auto Show. Based on this concept, many new technologies were unveiled to the world for the first time at this auto show. Mercedes-Benz CL...[Details]
Identification of fluorescent digital tube pins
The circuit graphic symbol of the fluorescent digital tube is shown in the figure. Its digital font is composed of several discr...[Details]
A common industrial and consumer application is a system that samples environmental conditions such as GPS (Global Positioning System) position, voltage, temperature, or light at long intervals (...[Details]
The ratio of the absolute error of the measurement to the full scale value of the instrument is called the instrument's reference error, which is usually expressed as a percentage.
Comparing the ...[Details]
By the end of 2019, the auto market is still going through a cold winter. Along with the news of layoffs, there is also a wave of transformation of auto companies. Auto giants and parts manufacturer...[Details]
According to foreign media reports, thanks to its 3D surround view cameras and electronic control units, Magna has launched the next-generation 3D surround view system, which will benefit more automa...[Details]
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