This article discusses the PCB layout of a power supply circuit that generates a regulated 3.3 V rail from a small solar cell. My goal in this project was to create a very simple, very compact circuit...
The number of 3G mobile phone users worldwide exceeds 100 million 2006-6-28 According to data released by the Universal Mobile Telecommunications System (UMTS) Forum on June 13, the number of third-g...
1. The bq24650 output voltage is abnormal and cannot be chargedNow I have a problem. The connection of bq24650 is as shown in the figure. The setting is 6V input and 4.2V output. But if the input volt...
When starting a new design, most of the time is spent on circuit design and component selection, and the PCB layout and routing stage is often not considered carefully due to lack of experience.
Failu...
multimeter A multimeter, also known as a multimeter, three-meter, or multiplexer, is a multifunctional, multi-range measuring instrument. Generally, a multimeter can measure DC current, DC voltage, A...[Details]
The variable-frequency drive (VFD) is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's ...[Details]
Semiconductor Memory
Several basic concepts
The nature of numbers and physical phenomena.
We know that computers can perform mathematical operations, which is very difficult for us to understand....[Details]
Rochester Electronics and MaxLinear to Provide Sustainable Supply Channel for SHDSL Product Line
with Continuous Full Lifecycle Support
Newburyport, Massachusetts, USA...[Details]
On December 25, the well-known mobile phone review organization DXOMARK recently announced the camera scores of Xiaomi 10T Pro 5G, with a photo score of 121 points, a zoom score of 61 points, a video...[Details]
Why should we learn STM32? STM32 is a 32-bit microcontroller but it only costs the price of an 8-bit microcontroller and its speed is several times that of an 8-bit microcontroller. More im...[Details]
On October 26, the JinkoSolar Hainan 200,000-kilowatt integrated source-grid-load-storage project undertaken by China Energy Construction Jiangsu Electric Power Construction No. 1 Company was conne...[Details]
Recently, Guangdong Hydropower No. 2 Bureau Co., Ltd. (hereinafter referred to as the "Company") and Shenzhen Tianli Energy Storage Technology Co., Ltd. (hereinafter referred to as "Tianli Energy S...[Details]
How a spectrum analyzer works
The structure of spectrum analyzer is like an oscilloscope used in time domain. Its appearance is shown in Figure 1.2. There are many function control ...[Details]
Saleae Logic Analyzer Application Manual: Link: Saleae Logic Analyzer Application Manual Extraction code: ttei 1. Logic Analyzer A logic analyzer is a waveform testing device similar to an oscillos...[Details]
6. Leverage sensor fusion in the IoT
As described in the white paper "What's Missing for the Internet of Things to Become a Reality", the Internet of Things encompasses many use cases - from conn...[Details]
Recently, when programming with the STM32F107 series MCU, a series of errors will occur when using the RCC_AHBPeriphResetCmd(RCC_AHBPeriph_ETH_MAC, ENABLE); function. Looking at the stm32f10x_rcc.c fu...[Details]
Introduction
When we write software, we should not only pursue the correctness of the code, but also pay attention to the fault tolerance of the program. When the environment is incorrect o...[Details]