On the Korvo development board, the sound signals required for speech recognition come from three MEMS analog microphones. After being sampled by the onboard ADC into a PCM audio data stream, it is tr...
Today I found a post [url=https://community.st.com/s/question/0D50X00009XkX66SAF/stm32h743-nucleo-wont-work-in-usb-otg-fs]STM32H743 nucleo won't work in USB OTG FS[/url]. The article contains a data p...
The figure below is the life calculation formula of aluminum electrolytic capacitors provided by the manufacturer
How do I test the actual ripple current in the figure? And what parameter does F F ref...
Espressif's ESP32-C5 is the world's first RISC-V SoC to integrate 2.45 GHz dual-band Wi-Fi 6 and Bluetooth 5 (LE), designed for IoT applications that require efficient wireless transmission.ESP32-C5 p...
ICP is a method of burning and erasing chips on the actual target circuit board, without removing the chip from the target board and reprogramming it to modify the user program. This method is suit...[Details]
The minimum system of a single-chip microcomputer is composed of some components necessary to form a single-chip microcomputer system. In addition to the single-chip microcomputer, it also needs to...[Details]
This section discusses the structure of the ATMEGA32 AVR core in general. The main task of the CPU is to ensure the correct execution of the program. Therefore, it must be able to access memory, perf...[Details]
As we all know, as the pace of consumer electronic product updates gets faster and faster, the resulting demand for electromagnetic shielding materials has not only increased significantly in quantit...[Details]
After experiencing an unprecedented low, Cruise, General Motors' driverless company, finally survived the dark night and saw a glimmer of light.
This once-prosperous driverless company recentl...[Details]
introduction
Software reliability has always been a key issue. Anyone who uses software may experience computer crashes or program errors, and this also happens in embedded systems. Due to the ...[Details]
The inverter is a power regulation device that adjusts the speed of the motor by changing the operating frequency of the motor. In practical applications, the inverter usually adopts three control ...[Details]
1. Problem Statement
A system uses three serial interface sensors (GPS, pressure and wind direction) and three analog current (4-20mA) interface sensors (humidity, temperature and water level)....[Details]
Switching power supplies have a series of advantages such as small size and high efficiency, and are widely used in various electronic products. However, due to the complex control circuit of the swi...[Details]
In the figure, RP1 is the audio adjustment potentiometer, RP2 is the volume control potentiometer, and resistor R is an external negative feedback resistor. The circuit uses a special microphone for ...[Details]
On September 23, LG Energy Solution (LGES) signed lithium and cobalt supply cooperation agreements with Canadian key mineral suppliers Snow Lake Resources, Electra Battery Materials Corporation and A...[Details]
: General delay subroutine
: 7FEBH - FFEBH
: Delay
: The delay constant is placed in the R2 register. The delay time corresponding to the time constant N (hexadecimal) (6MZH crystal oscillat...[Details]
LED
industry shortcoming: serious lag in structural design
The high price of LED products is an obstacle to popularization. The price factor determines the cost performance. W...[Details]
The index rebounded in the afternoon, and the Shanghai Composite Index regained 3,400 points, and finally closed up 0.4% at 3,441.85 points; the Shenzhen Component Index rose 0.35% to 13,966.79 point...[Details]
1 Introduction The introduction of fuzzy control theory provides us with a new control method. This method takes the fuzzy controller composed of microprocessors as the core and simulates...[Details]
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