Last time I shared a local clock, but my friend thought it was not fashionable, so after thinking about it, I decided to make a world clock to support the scene, which can be regarded as a small expan...
My boss asked me to modify a board. Change a direct-insert capacitor to a surface-mount one. There is only a PCB, no schematic diagram.
The original direct-plug capacitor is connected to the blue wire...
91Mobiles has just discovered the Samsung Galaxy A32 5G smartphone on the FCC website, revealing some of its specifications, such as support for 5G mobile networks, dual-band Wi-Fi, and 15W fas...[Details]
Measuring Dynamic Voltage and Current with a DC Power Analyzer What is a digitizer? A digitizer is different from what we usually call an A/D converter. The A/D converter is only part of the digiti...[Details]
To thoroughly understand the factors that affect the performance of lithium-ion batteries, you must first know the discharge/charging principles and general structural composition of lithium-io...[Details]
On the morning of May 23, IC design company MediaTek officially released its first mobile platform supporting 5G millimeter wave, Dimensity 1050. The chip supports both millimeter wave and Sub-6...[Details]
According to 91mobiles, the Xiaomi Redmi Note 11 Pro+ phone appeared on the FCC certification website on December 23 with the certification number: 21091116UG. Judging from the label, this phone...[Details]
On March 17, Zhejiang held a province-wide launch event for major projects to expand effective investment. 28 major projects in Ningbo participated in the launch, including the Ningbo Kunpeng Ecologi...[Details]
Page 1046 of the data sheet "SEC_Exynos4412_Users Manual_Ver.1.00.00" provided by Samsung provides a section on the initialization steps of LPDDR2-S4. LPDDR2 stands for low power DDR2. The initializa...[Details]
The United States recently publicly admitted that it had made a major mistake in its 5G strategy, changing from a supporter of millimeter waves to a follower of mid-band spectrum to expand the covera...[Details]
Huacan Optoelectronics, formerly Wuhan Huacan Optoelectronics Co., Ltd., was founded in 2005 and restructured into a joint-stock company in 2011. Huacan Optoelectronics is a leading domestic supplier...[Details]
As an engineer, circuit design is a necessary skill. However, no matter how perfect the principle design is, if the circuit board design is unreasonable, the performance will be greatly reduced, and ...[Details]
Customers often ask how to calibrate an oxygen gas detector, so let me tell you: 1. Keep the calibration environment of the gas detector stable to avoid the influence of drastic changes in temperatur...[Details]
2019 was a cold winter for most of China's power battery companies. With the sales of new energy vehicles falling for five consecutive years, the power battery companies, which had already entered t...[Details]
Many Chinese infrastructure and operations (I&O) leaders hope to use automation technology to simplify and speed up the configuration, management and expansion of IT infrastructure resources when...[Details]