Moderator:I made a card with vc33-120, the external crystal array is 12m, 5 times frequency, the timer interrupt is set to 30000, theoretically calculatedMy timer interrupt should be 1000hz, but it is...
Smart meters are an important part of today’s smart grid. A smart grid does more than just support power generation and distribution; it is an ecosystem consisting of Internet of Things (IoT) technolo...
[font=微软雅黑][size=3]Just saw that there is a pre-sale promotion for Tektronix's new TBS2000 oscilloscope. The new product is sold through Tektronix's brand flagship store and authorized partner stores ...
I may not have made it clear just now. I am using hardware debugging, but only connected to the minimum system board, without peripherals. There is a problem with the initial value of the register. I ...
There are patches for PB5.0 on the MS website almost every month. When applying the patches, should we apply the latest one or all the patches? I checked the latest patch and it seems to upgrade the B...
[font=微软雅黑][size=3][b][color=#ff0000]Event Time: [/color][/b]From now on - April 19th [/size][/font][font=微软雅黑][size=3] [/size][/font] [font=微软雅黑][size=3][b][color=#ff0000]Event Introduction: [/color]...
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]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[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. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]