[i=s]This post was last edited by haha丶 on 2021-5-17 16:40[/i]When using the PCB antenna library, one of the antenna pins is not connected. I want to know how to solve it. The software is AD18Also, ho...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:23[/i]
This circuit diagram
[i=s] This post was last edited by paulhyde on 2014-9-15 09:23 [/i] Is that a switching diode? Is it VD1? That is...
I have just entered the embedded industry and have been confused about the pull up and down in the GPIO configuration. In what cases should it be configured as pull-up, pull-down, and no pull? Also, w...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:12 [/i] Our company provides the chip filter MAX262 chip for the AD question of the electronic design competition. If you need the out-of-st...
Hello, teachers. I use the TI routine to control BLDC. Now, no matter how I adjust the given speed, I can see from the feedback of the speed PID adjustment that the calculated speed remains unchanged....
I used TI's SDK to create u-boot, compiled a 3.8 kernel system myself, and used TI to create a root file system. Then I divided the SD card into two partitions, one boot and one rootfs. I put u-boot.i...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
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]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[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]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[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]
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]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
PCB Design
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