Recently I encountered a project where we used five 1X16 cables as power lines (R, S, T, N, E). They came out from five holes in the power box and went to another power box. These five 1X16 cables did...
Line 89 of the code is: mov ah,09h and the code for 324 is: db1: Error message: **Error** wbyd.ASM(89) Value out of range **Error** wbyd.ASM(324) Illegal instruction I don't understand why such an err...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:29[/i] MMC-1 contains an MCU inside. External control is mainly through serial ports (UART/SPI) and other methods. The commands sent through ...
Derived from the letter shape design, fashionable, simple, high-end and generous.
The angle of the lampshade can be adjusted appropriately frontward and backward.
The base and the main body are easy t...
After the digital multimeter measures the polarity of the transistor, I insert the transistor into the hfe test hole and it doesn't respond. What's going on? Can an expert give me some advice? Did I m...
Originally I wanted to make an ISP downloader for LPC2132, but ended up using the LPC800 board for testing. Now I can press reset after downloading the program, but it doesn't work if I press reset ag...
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]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[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]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[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]
Industrial Control Electronics
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