Since the height of a 24v buzzer is 9.5mm, the height of the board is limited, so a 12v buzzer is selected to work in a 24v system. I wonder if this circuit will damage the buzzer. Please give me some...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:39[/i] [color=rgb(0,0,0)] November 26, 2012. I was leaving today, so I slept in in the morning and got up slowly from the hotel at 9 o'clock....
[size=4]The company's new product! WeChat control, Suning crowdfunding! By the way, here's an ad:lol[/size][url=http://zc.suning.com/project/detail.htm?projectId=4207][size=4][color=#0066cc]http://zc....
As the title says: When using the Cordic IP core to calculate arctan, the result is not converted and is displayed in radians. If you input x=0.395 y=0.395, the result should be 45°, but the displayed...
The electron tube is one of the earliest electrical signal amplifiers. The cathode electron emission part, control grid, acceleration grid, and anode (screen) leads enclosed in a glass container (usua...
I just started to develop wince, and my boss asked me to debug the wifi, the model is marvell 8686. We use the 270 platform. The debugging steps are as follows: 1. Find the hardware to fly online and ...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Analog electronics
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