Hello, I am just about to buy a Bluetooth module on Taobao to realize communication between the microcontroller and the computer, but I want one computer to receive data, and multiple microcontrollers...
Dear experts, I need a constant voltage power supply with an output of 24V 5A, with a voltage accuracy of ±5%. It needs overcurrent, overvoltage, and short circuit protection. The protection function ...
The functional design of EE_FPGA_V2.0 is as follows:1. LED
2. Buttons
3. UART - USB
4. NOR FLASH
5. SDRAM
6. SD Module
7. E2PROM
8. Infrared module
9. Bus expansion, IO expansionSome explanations on w...
Designing the power supply of an IPAD charger. The rated current of ordinary mobile phone chargers is generally less than 1A (5V), while the rated current of IPAD-specific chargers is 2A. I used a 500...
[img]file:///C:\Users\Administrator\AppData\Roaming\Tencent\Users\1264688211\QQ\WinTemp\RichOle\(G{1DX7UZD}0XIABWVLQYE1.png[/img] What are the functions of D1, D2, and D3 in this circuit? I hope someo...
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]
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]
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]
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]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]