A reward of 1,000 yuan is offered for a code that clears the BIOS and turns on the keyboard lights. If you can perform a memory test and start the graphics card, the reward will be higher! QQ number 7...
[i=s]This post was last edited by dong2213dong on 2016-8-16 00:35[/i] Today, I studied the firmware upgrade of ESP8266. The firmware version of my board is lower than the firmware version given in the...
Small company, just established, stable business, recruiting hardware developers. Excellent salary, great development space. Position: Hardware Engineer Job requirements: 1. Responsible for the design...
Although the use of the STM32 DSP library for FFT is somewhat inflexible (because it is a radix-4 FFT, the number of FFT points must be 4^n), its execution efficiency is indeed very high, as can be se...
Dear experts: I want to send data through the Bluetooth serial port and the mobile phone serial port on the sbc2410 development board, but the debugging is unsuccessful. The Bluetooth protocol stack a...
Introduction: The rising cost of energy is driving data centers and other computing-related businesses to seek comprehensive intelligent power management strategies....
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]
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]
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]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[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]
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]
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]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
1 Introduction
Washing machines are an indispensable household appliance in the home, and they are developing very fast. Fully automatic washing machines are favored by everyone because of their con...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
Embedded System
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