SPI is a high-speed, full-duplex, synchronous communication bus, and only occupies four wires on the chip pins, saving the chip pins and saving space on the PCB layout, providing convenience. It is ma...
I bought a cheap knockoff TWS headset a few months ago and have been planning to take it apart. A few days ago, I finally found an opportunity to take apart the charging box and share it with you.Earp...
①Why should we learn and use oscilloscopes?②Introduction to oscilloscope probes, measurement and compensation calibration③Vertical system of new oscilloscopes④Horizontal system of new oscilloscopes⑤Cu...
Live Replay: Safety Series 19 - Wireless Charging Authentication in Compliance with the Wireless Charging Consortium (WPC) : https://training.eeworld.com.cn/course/67756...
Using 51 MCU, AD9833 cannot output waveform, but the voltage of the output pin is normal, which is 0.62V. The output voltage of AD9833 is 0.65V in the data sheet, but there is no waveform. The 25M cry...
Automotive OEMs must meet lower CO2 emissions standards while improving vehicle features and performance to remain competitive. This major challenge is being overcome through vehicle electrification, ...
Holtek has launched two new BC2502A/B Sub-1GHz FSK RF receiver chips, with an operating voltage of 2.4V~5.5V; BC2502A supports 315/433MHz frequency bands, and BC2502B supports the full Sub-1GHz frequ...[Details]
China Energy Storage Network:
The energy industry has entered a new pattern, and China's supply structure needs to be optimized.
In recent years, global energy demand has grown slo...[Details]
Batteries, batteries, batteries! Expanding electric vehicle production is expanding battery production, as well as expanding the mining and refining of the minerals that are vital to batteries. Exp...[Details]
1. Design of intelligent LED street light controller based on STC microcontroller
Abstract: In order to fully save energy and improve the intelligence of street lamp control system, this paper in...[Details]
1 Introduction The static volumetric water meter calibration device based on Delta PLC technology can calibrate magnetoelectric water meters (with remote transmission) and ordinary water meters. The ...[Details]
In the previous article, we introduced the concept of histogram and how to use histogram to analyze jitter (that is, analyze from the perspective of statistical domain). From the jitter histogram, we ...[Details]
A new Lenovo 5G phone with model number Lenovo L71091 has passed the national 3C quality certification, showing support for the MC-688 charging head with a maximum power of 68.2W. Lenovo has rar...[Details]
On the morning of March 15, Microsoft's Build developer conference was the latest technology event to be affected by the ongoing coronavirus pandemic. On March 13, Microsoft decided to cancel th...[Details]
SK Hynix, the world's second-largest memory chip maker, has frozen an investment plan for a domestic semiconductor factory in South Korea. The start of construction of a new plant originally schedule...[Details]
After experiencing a brief decline in July, global power battery installed capacity rebounded in August. According to data from South Korean market research institution SNE Research, in August 2023...[Details]
Future iPhones and iPads may have new technology to hide antenna gaps in their cases. One of the design issues with iPhones and iPads is producing versions that can effectively handle electroma...[Details]
Recently, according to foreign media reports, TSMC stated that negotiations with European governments at all levels have gone smoothly and a decision to build a factory is expected to be made in Augu...[Details]
On July 13, STMicroelectronics (ST) announced the launch of the automotive high-side switch controller VNF1048F, combining enhanced system protection and diagnostic features with its I2-t silicon f...[Details]
Agilent DSO-X 2002A Oscilloscope Self-Test and Self-Calibration First power on the machine 1. Press Utility-Service-Diagnostics-Hardware Self-Test-Front Panel Self-Test 2. Press Utility-Service...[Details]