U-Boot 2013.01.01 (Oct 24 2013 - 17:40:22) CPU: Altera SOCFPGA Platform BOARD: Altera SOCFPGA Cyclone V Board DRAM: 1 GiB MMC: ALTERA DWMMC: 0 In: serial Out: serial Err: serial Net: mii0 Warning: fai...
Xiaotai tests thousands of electronic devices a year, but he still has time for a spontaneous trip
How did he do it?
Come and start your journey with Xiaotai!Enter the eventAbout this activity
Event t...
A few days ago, a friend introduced me to a Tengyun customer management system, which I downloaded from Huajun Software Park http://www.newhua.com/soft/64534.htm. After using it for a few days, I felt...
Are you still worried about the maintenance of your company's test instruments? I believe that many users have this worry. For device testing, accuracy, repeatability and reliability are crucial. Xi'a...
This circuit is to restart the power bank from sleep mode. After I added the circuit at the back end, the power bank voltage in sleep mode will be pulled down to 0.8V. This circuit will not work. Plea...
When I was looking at 432 programs recently, I suddenly found a problem. For example, when calling a library function, such as MAP_WDT_A_holdTimer(); this statement is a macro definition, pointing to ...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[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]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[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]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]