Without further ado, here are the test results. Original firmware versionUpgraded version, indicating support for online upgradeThe device recognized by the computer includes STlink, serial port, virt...
1. Principle and structure of the Look-Up-Table
We can also call PLD chips with this structure FPGA: such as altera's ACEX, APEX series, xilinx's Spartan, Virtex series, etc.
Look-Up-Table is abbrevia...
When I reuse GPIO, for example, I turn on the PWM output function of TIM1, I can only set it to multiplex output mode GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; the corresponding pins PA8 9 10, P...
Problem description:When using a power supply, the customer requires the output ripple to be as small as possible, but does not want to use LDO.
Solution:LC filtering can be added at the back end of t...
There was no QQ technical exchange group in the zigbee section before, so we have created one now, the group number is 243090717. We hope that the forum members who join will not send spam advertiseme...
The data collected by the single-chip microcomputer is sent to the host computer through the 3G module (CM320) for reception and display. How should the underlying single-chip microcomputer be connect...
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[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]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[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]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[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]