According to the circuit diagram in the manual of XL6019, C13 will get very hot after power is turned on. XL6019 outputs 1.8v, and the voltage measured at the input terminal is 3.3v. I have checked an...
[i=s]This post was last edited by littleshrimp on 2019-5-11 19:55[/i] I remember that it was exposed before that the official website of a certain country's embassy was crowded with advertisements. Th...
1 IntroductionJPEG2000 is a new generation of international standard for still image compression. It has excellent image compression performance and high image quality. It not only overcomes the disad...
Stm32f103 controls the ESP32S module and uses AT commands to establish a Bluetooth server, but it cannot be scanned by a mobile phone or other modules. What is the reason?...
In terms of data storage type, the 8051 series has on-chip and off-chip program memory, on-chip and off-chip data memory. The on-chip program memory is also divided into direct addressing area and ...[Details]
Today I unpacked a pair of wireless earphones, Huawei FreeBuds 4i. They support active noise reduction, use BES2500Z Bluetooth audio SoC, and support Bluetooth 5.2 technology. 55mAh earphone battery ...[Details]
1. Overview
Three-phase AC motors have been the workhorse of industry since the dawn of electrical engineering. They are reliable, efficient, cost-effective, and require little or no maintenance. In ...[Details]
According to the China Business Times, Qualcomm's latest high-end 5G chip Snapdragon 888 uses Samsung's 5nm process and was first released by Xiaomi 11. However, actual measured data shows that the p...[Details]
Description: mini2440 platform, wince6.0 system, vs2005
After several months of study and pause, I finally added the IIC bus simulated by GPIO under wince and realized the transplantation of I...[Details]
On March 10, Strategy Analytics recently released a research report titled "2021 Q3 Tablet Application Processor Market Share Tracking: Shipments Declined", which pointed out that global tablet appli...[Details]
Recently, the whistleblower @数码闲聊站 exposed the specifications of the Redmi Note 9 5G high-end version. The whistleblower showed that this is a modified version of the Xiaomi 10T Lite, but with a diff...[Details]
STMicroelectronics enhances two-in-one digital power controller to improve power stability and voltage regulation accuracy during overload
January 3, 2022, China -
STMicroelectro...[Details]
Shanghai Kuanyu, a leader in the field of industrial Internet, joins the 98th China Electronics Fair Kemyond was founded in 2010. It is a company with multi-faceted industrial information infrast...[Details]
1. Factory settings of M16 Internal RC oscillator 1MHz 6 CK + 65 ms CKSEL=0001 SUT=10 JTAGEN=1 By default, JTAG is programmed (i.e. PC2-PC5 is high and cannot be pulled down). If PC2- PC5 is to be us...[Details]
The switching power supply for LED is a single-output AC-DC external power supply powered by the grid power supply and with a rated voltage not exceeding 600V. The environment of outdoor LED switch...[Details]
Combines sound power, structural analysis, vibration and rotating machinery analysis capabilities into one
Figure: The new version of imc WAVE 2022 and the imc CRONOSflex measu...[Details]
In recent years, blockchain technology has developed into a stable market with huge growth potential. Market research firm Gartner predicts that by 2025, the global commercial added value of blockcha...[Details]
introduction
With the development of science and technology, various medical devices have been introduced and widely used. Among them, microwave therapy has been promoted and applied in the m...[Details]