This year's smart home device market has been like a roller coaster ride. After a drop in shipments in the first quarter and an increase in the second quarter, shipments fell again in the third quart...[Details]
demand analysis The instruments used in this scheme have the following characteristics and design parameters: ●The pointer responds sensitively and moves accurately, that is, it cannot lose steps...[Details]
This is the circuit diagram of an excellent stereo preamplifier using IC TDA1524 from Phillips for tone control. This IC requires very few external components, has very low noise and a wide supply ...[Details]
On May 9, the Jiangsu Fulehua Power Semiconductor Research Institute project started construction in Dongtai, Yancheng, Jiangsu. The Power Semiconductor Research Institute project is a new R&D inst...[Details]
Recently, positioning-based IoT applications are everywhere. The author has also studied the application of the SIM868 wireless module, which is widely used in the market and has been applied to shar...[Details]
After deciding to use STM8 for the project, I started learning STM8 today. There are two development environments for STM8, STVD and IAR. IAR is chosen because it is more universal. I spent 0.6 yuan ...[Details]
Samsung has now launched three new mid-range smartphones: Galaxy A33 5G, Galaxy A53 5G and Galaxy A73 5G. There is no charger or earphones included in the box, and the domestic version status i...[Details]
You Zheng, Vice President of Tsinghua University:
The world today is facing unprecedented challenges. Sustainable energy development is a major issue facing the world. my country is facing...[Details]
On April 29, an announcement from the China Securities Regulatory Commission showed that Sanyingxing’s initial public offering application was approved by the CSRC’s Issuance Examination Committee. ...[Details]
Servo drives, also known as "servo controllers" and "servo amplifiers", are controllers used to control servo motors. They function similarly to frequency converters acting on ordinary AC motors. T...[Details]
Both the tq2440 and mini2440 are connected with EEPROMs, and their function is just to test whether the I2C bus is available.
The EEPROM model on mini2440 is AT24C08, and on tq2440 it is...[Details]
Jiwei.com reported on April 13 that yesterday the China Academy of Information and Communications Technology (hereinafter referred to as CAICT) released the domestic mobile phone market operation ana...[Details]
In a decade or so, researchers and historians will likely look back on today's audio market and describe it as a golden age of innovation. Never before has audio technology advanced so rapidly an...[Details]
Recently, Zhejiang issued the Implementation Opinions on fully, accurately and comprehensively implementing the new development concept and doing a good job in carbon peak and carbon neutrality, and ...[Details]
The automotive Ethernet series of articles "When DoIP meets TLS" introduced the changes in the new version of ISO13400-2 specification, an introduction to TLS, and the data flow of the CANoe TLS de...[Details]