Reason: When setting environment variables, the profile file was not edited correctly, resulting in the failure to recognize commands such as ls in the command line. [color=#22b14c][b] Solution: expor...
Have you ever tried to connect your smart Internet of Things (IoT) devices to a busy Wi-Finetwork, only to have them rendered useless by ridiculously slow network and bandwidth?
Many Wi-Fi networks ar...
Hello everyone, I have been exposed to a lot of hardware before. This time I need to run wince under the 2440 board and read data through the serial port. I have found a lot of information, but I foun...
I recently made a quadcopter and continued to quickly learn the stm32 microcontroller. I hope the master can guide me on how to get started quickly! ! ! ! ! Should I learn from the video or read the f...
IRC1004 People Counter is a product of IRISYS. We are looking for the communication protocol and CAN bus protocol of the device and its supporting software, or the source code of the software and othe...
As shown in the figure above, after the compilation is completed, timequest is red, which means that there are places where the timing is not satisfied, right? Even the simplest way to light up the LE...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]