In my previous cooperative factory, I gave the PCB diagram and packaging instructions to the SMT factory, and later attached a diode packaging instruction sheet. Basically, there were no accidents. Bu...
Radio frequency identification technology uses electromagnetic induction, radio waves or microwaves for non-contact two-way communication to achieve identification purposes and exchange data. The read...
[size=14px]As one of the human-computer interaction devices, the touch screen can operate the host by simply clicking on the characters or graphics on the touch screen. Compared with the operation of ...
Gallium nitride (GaN) material has a bandgap width three times that of Si material, a critical breakdown electric field 10 times that of Si, and a saturation drift velocity 2.5 times that of Si. In pa...
While ANC is nothing new to audiophiles, the technology has been gaining popularity ever since a well-known Californian company released its first earbuds with active noise cancellation in 2019. Si...[Details]
Marketing is a science. As practitioners in the lighting industry, let's learn the seven concepts of lighting marketing~
Viewpoint 1: Business war is tangible, but marketing is not a trick
...[Details]
1 Introduction
Radio Frequency refers specifically to electromagnetic waves with a certain wavelength that can be used for radio communications. Radio Frequency Identification (RFI) is a non-c...[Details]
According to foreign media reports, the European Union is considering imposing a ban on member states from using equipment from companies considered to pose a possible security threat to its telecomm...[Details]
The probe that comes standard with an oscilloscope can only measure voltage. In fact, the oscilloscope itself can only measure voltage. If you want to measure current, you must use a current probe, a...[Details]
“When in doubt, turn to quantum mechanics” has become a common internet joke. So when quantum is linked to words like mobile phones, privacy, and Samsung, it feels like a top student suddenly en...[Details]
1 Concept and characteristics of embedded systems
An embedded system combines the system circuit of a microprocessor or microcontroller with its proprietary software to achieve the highest rati...[Details]
Clamp the three-phase wires A, B, and C connected to the load (such as a motor) into the jaws at the same time. If there is no indication, it means that the three-phase circuit is balanced. If there i...[Details]
On June 30, 2023, iConn Technology held an online conference and awards ceremony in Dongguan, China. At the ceremony, iConn awarded Heilind Electronics Asia Pacific (hereinafter referred to as Heilin...[Details]
On April 26, Goodix Technology released its first quarter report, saying that in the first quarter of this year, the company achieved operating income of 874 million yuan, a year-on-year decrease of...[Details]
Before we start to learn about MCU, we need to introduce the MCU programming development environment. The two commonly used programming development environments are: Weifu WAVE and KEIL C software. He...[Details]
An improved 4*4 matrix keyboard scanning ---- after using SWITCH CASE nesting, the program sequence is much simpler
#include reg52.h
#define uchar unsigned char
#define uint unsigned int
ucha...[Details]
Can EQ really solve room acoustic problems?
First, let’s think about this: Are the acoustic problems we face limited by the performance of the speaker system, or are they due to defects in the...[Details]
IT Home reported on February 22 that Honor officially released the new Honor V40 mobile phone (YOK-AN10) last month. In addition, the Honor V40 passed the EEC certification last week along with...[Details]
A/D converter chip and interface circuit
1. 8-bit A/D converter chip ADC0809 ADC0809 is a CMOS monolithic successive approximation A/D converter. The main features of ADC0809 are: ● It is an A/D co...[Details]
PCB Design
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