The ground of the weak current part on the circuit board is directly connected to the device casing through the fixing screws on the PCB, and the device casing is connected to the earth. The problem i...
I originally wanted to confirm whether a piece of data was uploaded successfully through mutual confirmation between the server and the module, but if many clients upload at the same time, it will cau...
[font=宋体][size=12pt][color=#000000][font=微软雅黑][align=left][/align] [align=left]Dear Engineer: [/align][align=left]During the hot summer, do you want to escape to the Maldives to cool off? Or do you wa...
Everyone is familiar with the famous story of Bole selecting horses. The most classic sentence among them is "There are many good horses, but Bole is rare." For those who have just started working or ...
In the daily work of R&D, the recruitment of technical engineers and technical managers is one of my basic tasks, and I also regard it as my most important work, although this work does not take up to...
Why are led_d1, led_d2, led_d3 triggered on the falling edge of led_ctrl[0], led_ctrl[1], led_ctrl[2], but not on the rising edge? Below is the program , which is a key operation using edge pulse dete...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Analog electronics
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