-
1. The output power decreases and the sound becomes weak
1. Aging of the power tube. The screen current of the power tube can be measured. Use a 100ma DC meter, connect the negative pen to the...[Details]
-
According to foreign media reports, Allegro MicroSystems, a supplier of motion control and energy-saving system sensing and power solutions, announced the launch of two new products, A80803 and A80...[Details]
-
Sports bracelets, smart watches, ear-worn devices, smart glasses... At present, the product categories of wearable devices are extremely rich, and there are multiple brand options under each product ...[Details]
-
Visibility refers to the visible distance of the target object, which refers to the maximum distance at which the target object can be distinguished from the background when observing the target obje...[Details]
-
On the morning of May 27, Apple released the macOS Catalina 10.15.5 version system for Mac computers. This is the fifth update after the release of macOS Catalina in October 2019. The key upda...[Details]
-
Finland's Nokia said on Wednesday it had reached a settlement with China's Lenovo Group over a patent dispute, resolving all pending litigation, Reuters reported. Nokia said that while the terms of ...[Details]
-
1. Software does not need to disable interrupts when programming individual bits of GPIOx_ODR. 2.GPIO has a locking mechanism, which is mainly used on some key pins to prevent the program from runnin...[Details]
-
Ultrasonic motor (USM) is a new type of micro-actuator developed in recent years. USM breaks through the concept of electromagnetic coupling of traditional motors and relies on the inverse piezoelectr...[Details]
-
In recent years, smart speakers have been very popular among consumers. Products like Tmall Genie, Huawei AI Speaker, Xiaomi, etc. are all such smart speaker products. They have their own advantages....[Details]
-
On February 12, Jingce Electronics issued an announcement stating that its holding subsidiary Shanghai Jingjiwei Semiconductor Technology Co., Ltd. (hereinafter referred to as "Shanghai Jingjiwei") i...[Details]
-
For BIFRED and BIBRED converters, the energy storage capacitor CB is both the output filter capacitor of the PFC converter and the input voltage source of the load converter. When working at a cons...[Details]
-
There are two ways to encrypt STM32 programs
1. Prohibit reading Flash memory contents
2. Use ID encryption program
u8 Sys_ID ,i;
for(i=0;i 12;i++)
{
Sys_ID =*(u8*)(0x1FFFF7E8+i); //Produ...[Details]
-
1. Introduction to I2S
I2S stands for Inter-IC Sound, Integrated Interchip Sound, or IIS for short. It is a digital audio transmission standard defined by Philips in 1986 (revised in 1996) for...[Details]
-
STM8 is an 8-bit microcontroller developed by STMicroelectronics for industrial applications and consumer electronics. Each MCU has its own advantages and disadvantages. Compared with other 8-bit M...[Details]
-
DLP projection technology is a technology that uses the digital micromirror device (DMD) developed by Texas Instruments as the main key processing element to realize the digital optical processing ...[Details]