When using AD7705, I used a microcontroller to output a PWM wave as the clock source of 7705, with a duty cycle of 50% and a frequency of 1MHz. The waveform was correct when viewed with an oscilloscop...
Brother Niu is an engineer. He usually reads the academician and expert sections of professional electronic media, as well as the electronic media interactive community. Here, there are new products a...
Very useful small software. But the premise is to install this software after installing the programming software, that is, this is a tool part of the programming software....
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]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
Engineers usually use multiple groups of cheap small-capacity batteries in parallel to achieve the larger battery capacity required by UPS. If multiple groups of batteries with poor performance uni...[Details]
LED lamp beads are voltage-sensitive devices and capacitive loads. In actual work, the current accuracy is required to be high, which is one of the main issues affecting the luminous efficiency and...[Details]
Infrared technology has been widely used in speed measurement systems, and many products have used infrared technology to achieve vehicle speed measurement, detection and other research. When infra...[Details]
As test engineers, we have to deal with the complex testing of Electronic Control Units (ECUs) before assembly. In this short article, I will try to make you more aware of the various applications ...[Details]
1 Introduction
Modern electronic information equipment often needs to store and process a large amount of digital information. A high-performance memory controller can greatly improve the perform...[Details]
Quartz crystal selection tester
Make a quartz crystal selection tester yourself, use light-emitting diodes to display the test results, which is fast and accurate. As shown in the ...[Details]
1 Overview
EPS emergency
power supply
Generally consists of two parts: main power supply and emergency power supply. The main power supply generally comes from
the
power
...[Details]
Liquid crystal display devices have these incomparable advantages, and with the continuous development of liquid crystal display technology and the continuous reduction of product prices in recent yea...[Details]
ADI Reference Circuit
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