In the shop opposite the core seat, I was attracted by the 0.1 yuan phone call and bought a Super One Number Card. Although the actual phone charge was 0.12 yuan, the phone charge was still very cheap...
Recently, I tested an automotive component. The chip used was JTA1021, the Lin output was 100-170KHz, and the radiated emission exceeded the standard by about 12dB.
The current rectification methods a...
Eric Lidow, the co-founder and former chairman of El Segundo-based technology company International Rectifier who recently celebrated his 100th birthday, has died.Lidow died of natural causes Friday a...
Today, I was debugging a LM4F129N board from TI and found a problem: when using the clock enable function, the ROM type chip is locked. As follows: ui32SysClock = ROM_SysCtlClockFreqSet((SYSCTL_XTAL_2...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:42[/i] 1. How do you make a PCB during the four days of the competition? Do you use thermal transfer printing? Or does the school have a spec...
While reading the introduction of wishbone, the security state machine was mentioned many times.So I hope someone on the forum can answer my question.What exactly is the mechanism of the safe state ma...
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
Talking
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