[i=s]This post was last edited by justd0 on 2020-9-2 22:54[/i]The ESP32-S2-Kaluga-1 development kit has a lot of media and comes with an external speaker.
The touch_audio routine is burned into the bo...
When I was learning ARM, I learned STM32, and I felt that the firmware library was very good. Now I switched to C2000, but I can't find the feeling I had when I learned 32. I spent a lot of time, but ...
Recently, when I was working on a project, I wanted to use the mouse interception function under the WINCE system, that is, I wanted to use the journal hook under WINCE. The information said that WINC...
Thank you all for your hard work for the forum. Here we select some friends who have made outstanding contributions in October!Outstanding Moderator of October Forum ID Responsible section Reason for ...
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
1. Driver IC Product Range
IR provides users with a variety of driver integrated circuits from single-phase to three-phase bridge. All types use highly integrated level conversion technol...[Details]
In the servo drive system, the brushless DC motor (BLDCM) is a new type of continuously variable speed motor. It has the advantages of simple and reliable structure, convenient maintenance, high opera...[Details]
Environmental concerns about global warming caused by the burning of fossil fuels, rising crude oil and natural gas prices, and political difficulties caused by dependence on crude oil have prompte...[Details]