As shown in the figure, the OTL circuit
[1] Why can resistors R5, R6 and diode D1 ensure that transistors V2 and V3 are in a slightly conductive state?
[2] How does the bootstrap capacitor C2 work? Wh...
Sikker looks like a fashionable bracelet, it can be used as an i-radio, alarm clock, and watch. However, these are not its important functions. Its mission is to take good care of the baby and let par...
I have two identical DSP boards, and I burned the same program. When I observed the variables during online simulation, I found that the results of the two boards were different. One was normal, and t...
I saw two PCB factories fighting in the forum. The PCB proofing was 9 yuan, 5 yuan, and 1 yuan. I asked the customer service of Jiepei on Taobao, and they replied that it was 9 yuan with free shipping...
I want the serial port to interrupt when receiving data, and the data to be sent is 32 bits, but it seems that only 8 bits can be sent each time. How to initialize the serial port interrupt, and the s...
This was quite frustrating. The computer at work was too weak. Once the virtual machine was turned on, the computer couldn't even open QQ. Compiling once took a lot of time, and it was easy to have pr...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[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]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[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]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
1. Advantages of CAN-bus in coal mine communication
Coal mine production is a field closely related to the national economy and people's livelihood. Among them, coal mine safety is undoubtedly ...[Details]