MCU model: STC89LE516RD+. PFP package. Phenomenon: Occasionally, it does not work after power on. After that, I turned off all the power and turned it on again, but it still does not work. I turned of...
Today, I used FPGA to read and write internal ROM. After carefully studying the ROM timing, I found that: for ROMs without output latches, after giving the address, valid data is retrieved after a del...
I recently made a board. When I connected it to the emulator, the emulator light turned red. It uses the STM32F103CB chip. I don't know what the problem is. Please help me check it out.103cbdl.jpg(56 ...
PCB drilling is a process of PCB plate making, and it is also a very important step. It is mainly to punch holes in the board. For routing needs, a via is needed. For structural needs, a hole is drill...
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
On August 22, the Wall Street Journal reported on the 21st local time that the new US government does not plan to acquire equity in semiconductor wafer foundry giant TSMC and Micron, one of the thr...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
Puttshack's Trackaball uses the Nordic nRF54L15 system-on-chip (SoC) to monitor sensors and enable Bluetooth low energy connectivity, while the nPM2100 power management integrated circuit (PMIC) ...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
On August 20, it was reported that the specifications of Intel's upcoming Panther Lake mobile processor appeared on the Intel GFX CI website, which mainly focuses on Intel's open source Linux drive...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
Recently, UBTECH announced its patent for "robot self-battery replacement structure, device and method".
The Qichacha patent abstract shows that the robot's self-battery replacement stru...[Details]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]
Energy Infrastructure?
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