1. Active safety system Active safety system refers to a safety system that prevents accidents by taking precautions in advance. It is expected to reduce casualties in traffic accidents in the most th...
Can DSPF2812 control two modules that need serial port control with one serial port? A voice module and an LCD module. Both of them need serial port to send commands and receive the same content!...
How should I analyze this circuit diagram, [img=110,0]https://bbs.eeworld.com.cn/ajaximage.php?aid=93546&size=300x300&key=82d8e62ef9272a74cd176c3374945057&nocache=yes&type=fixnone[/img]? How did I bui...
Hello friends: I have a Bosch infrared passive detector. When the alarm is triggered, it outputs a disconnected switch signal. I want to use this signal to control the speaker to send out an alarm sig...
The square wave signal has a low voltage of 0V, an amplitude of 3.3V, and a frequency of 1Hz to 2MHz. How to use analog circuits plus FPGA to measure the rise time of the square wave's rising edge?...
KylinlinkDIY This DIY mainly introduces a digital remote control of a flight control system, with the openpilot's oplinkmini as a reference. The main tasks are as follows: 1) Add RF modules with 100mW...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
Automotive Electronics
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