I have two 3.3V-1W isolated power modules on hand, because I need to power a 3.3V LCD and a single-chip microcomputer, but the power of the LCD plus the power of the board is greater than 1W. So I wan...
Cube MX 5.30 is the latest version. When reading and writing TF cards via SDIO, the mode is set to 4-bit. However, the generated c file is always in 1-bit mode. It's strange. Could it be that the 4-bi...
Preface:
Recently, EE held a disassembly expert event. The first episode was the disassembly of the charging head. I happened to be keen on disassembly, so I participated in this event. I don’t know m...
This is the details of debugging the RF amplifier that I personally tested in my project, system solution - structural design - module determination - layout - module verification - whole machine veri...
Because the project specifically requires that the power consumption of the Bluetooth transmission circuit should be less than 3.5mA , if it exceeds 3.5mA , the project cannot continue. This time, a c...
7905onsemi and Avnet IoT Innovation Design Competition
The previous article introduced the interrupt architecture of S3c2440. Today we will analyze the implementation of GNU-uC/OS-II interrupts on S3c2440.
First find the IRQ interrupt vector...[Details]
A new type of constant power switching rectifier
Abstract: This paper introduces a new type of constant power rectifier. Compared with the commonly used constant current rectifier, it can save more...[Details]
The charge and discharge cycle life may reach 10,000 to 100,000 times, and the charging speed is amazing! This Japanese company has unveiled a fast-charging all-solid-state battery. Is it reliable? ...[Details]
Recently, Guangdong Oulai High-tech Materials Co., Ltd. (Oulai New Materials), a high-end display target company, received a C round of investment from SDIC Venture Capital. This round of investment ...[Details]
Resetting the AVR When the AVR is reset, all I/O registers are reset to their initial values and the program starts executing from the reset vector. The instruction at the reset vector must be an...[Details]
Preface Explain the serial port driver principle of Wei Dongshan JZ2440 development board, and supplement the serial port usage content in Wei Dongshan's Wiki tutorial. Click here to enter the serial...[Details]
According to Sony whistleblower "ZACKBUKS", after Sony releases the WH-1000XM5 headphones on May 13, it will launch a new true wireless headset, the LinkBuds S, on May 18. It is reported tha...[Details]
The era of new energy vehicles has undoubtedly arrived, and it contains huge commercial value. The development of new energy vehicles not only affects the automobile manufacturing industry itself, bu...[Details]
STM32F4 has four built-in universal asynchronous/synchronous transceivers (USART1, USART2, USART3, USART6) and two universal asynchronous transceivers (UART4 and UART5). This article explains how...[Details]
On December 10, the 2020 China Integrated Circuit Design Industry Annual Conference and Chongqing Integrated Circuit Industry Innovation and Development Summit Forum were held in Chongqing. At the fo...[Details]
The Challenge: Develop a PC-based life test system to replace the traditional manual-based system for life testing of aerospace actuators. The Solution: With the help of NI LabVIEW softwa...[Details]
What exactly does computing power mean? According to Baidu Encyclopedia's definition, "computing power" (or "hash rate", HashRate) is a measurement unit of the Bitcoin network's processing power, t...[Details]
So far, we have been able to write more complex ARM assembly programs. Unfortunately, these programs are run on the virtual development board ARMUL that comes with ads. (In the axd interface, click o...[Details]
With the development of AI technology, AI and the wearable device industry are becoming more and more integrated, including Bluetooth chips, algorithms, applications and other upstream and downstre...[Details]