As we all know, there is such a vivid metaphor in the electronics industry: if the MCU is compared to the "brain" of the circuit, then the crystal oscillator is undoubtedly the "heart". Similarly, the...
In actual use, the emulator is often used in development environments with different versions. It is found that when the lower version of the firmware is upgraded to a higher version, it is necessary ...
The lpc824 system started working fine with the USART interface program, and later added an RS-485 communication chip. Sending data is normal, but receiving data is no longer possible. Sometimes a cha...
Problem 1. Opening controlSUITE does not display properly, only one File option is displayed
Solution: After investigation, it was found that when controlSUITE was normal, it was not exited by clickin...
Differential Gain and Differential Phase
I encountered this problem when I was selecting an analog video amplifier chip. At that time, I didn't understand what this parameter of the amplifier meant. N...
There are many places in C/C++ language where extern is used. However, if you don’t really understand its meaning, it will bring great trouble to programming. In order to help you avoid detours...[Details]
Traditional general-purpose motors used in many kitchen and garage appliances, power tools, and other small appliances generally cannot be precisely controlled in speed. Motors are basically off and ...[Details]
The control of three-phase permanent magnet brushless DC (hereinafter referred to as "BLDC") motors requires an electronic commutation circuit, while traditional brushed DC motors use mechanical se...[Details]
Single-phase electricity is used to power domestic and office appliances, while three-phase alternating current (ac) systems are widely used to distribute power and directly supply power to higher-pow...[Details]
Recently, the Jiangsu Semiconductor Industry Association announced the development status of the semiconductor industry in Jiangsu Province in 2020. Despite the impact of the COVID-19 pandemic last...[Details]
On September 9, 2024, local time, Ruipu Lanjun's US subsidiary officially opened in Irvine, California. Following the opening of the European subsidiary in 2023, this move marks that Ruipu Lanjun's...[Details]
1. The macro "_BV(bit)" defined in the header file "sfr_defs.h" is also often used to implement bit operations.
Among them, the macro "_BV(bit)" is defined as:
#define _BV(bit) (1 (bit))
example:...[Details]
On December 12, the industry exposed the Xiaomi Mi 12 Ultra phone case, and in the evening, the real back photo of the phone was exposed. As can be seen from the picture, the Xiaomi Mi 12 Ultra phone...[Details]
The eye diagram is due to the afterglow effect of the oscilloscope, which overlaps the waveforms of each scanned symbol to form an eye diagram. This article will lead you to understand what the eye ...[Details]
Bimetal thermometers are different from ordinary metal thermometers in that they respond quickly to temperature changes and have high stability in temperature measurement. Bimetal thermometers are ...[Details]
The vigorous development of advanced technologies such as AI, IoT, big data, mobile Internet, and cloud computing has injected vitality into some vertical application fields such as smart cities, sma...[Details]
STM8S core board highlights: This development board uses MicroUSB cable for power supply, which is compatible with smartphone data cables. Data cables are easy to obtain, rather than USB MINI cable...[Details]
Recently, an investor asked Han's Laser on an interactive platform, "What research progress has the company made in the field of lithography machines? What kind of cooperation does it have with domes...[Details]
Recently, the official appraisal result of the serious traffic accident at Wenjie M7 in Yuncheng, Shanxi has not yet been given, but online public opinion has pointed the finger at the AEB failure....[Details]
LEDs are becoming more and more popular due to their higher efficiency and longer lifespan. Therefore, power supplies need to be more efficient and have at least the same lifespan as the LEDs....[Details]