Experimental goal: realize the timer function, and click the dot button to print out the current time.The classes used are QTimer and QTime. QTimer is a timer class, equivalent to a stopwatch, and QTi...
When writing the program, I see TMOD=1, but I don't see any operation on each bit. What is the meaning of these 8 bits? There is also some byte address 89H, which doesn't seem to be reflected in the p...
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My schematic diagram has an indicator light, 10 buttons, and a Bluetooth module. For low power mode, a MOS tube is used to cut off the Bluetooth power supply. Now, when the Bluetooth power supply is c...
Setting a new benchmark for smart driving in China is the first step to becoming the king of smart driving. He eats three hundred lychees a day and grows up to be a Lingnan native. June is the r...[Details]
The tape speed of a tape recorder is generally 4.76 cm/s. If the speed is too high or too low, it will affect the quality of recording or playback. In particular, when the speed is slow, the sound ...[Details]
The 2020 Medtec China Exhibition and the 16th International Medical Device Design and Manufacturing Technology Exhibition will be held at the Shanghai World Expo Exhibition and Convention Center from...[Details]
Record players generally do not have audio amplifiers, so you must use the low-power part of the radio to listen to records with a record player. Here is a simple and easy-to-make amplifier that is s...[Details]
1 Introduction
The development of computer and its interface technology and the shortcomings of traditional test and measurement instrument systems have made computer-based virtual instrum...[Details]
On January 4, local time, OmniVision Group released its new 1.3-megapixel OX01E20 system-on-chip (SoC) for automotive 360-degree surround view systems (SVS) and rearview cameras (RVC) at the CES 2023...[Details]
1 High frequency power supply system block diagram
High-frequency switching rectifiers generally first directly rectify and filter AC power into DC power through diodes, and then convert it into ...[Details]
Introduction: In order to quickly grasp the basic structure of the PIC microcontroller source program, a typical program structure is given here. When creating a source program, first use the pseudo-...[Details]
Here we use 4 wires, but the principle of 3 wires is the same. The IO port is customized in the program. The one used below is P3^0 #include regx51.h void main() { while(1) { P2=0xff; //Init...[Details]
According to foreign media reports, Magna International will deepen its investment in the new market of electric vehicle battery casings, increasing its investment in two plants in Michigan, USA and O...[Details]
In a building with a large grid structure, due to the particularity of the grid structure and its location in a coastal typhoon-prone area, it is necessary to design a high-speed data acquisition syst...[Details]
The core technologies of new energy vehicles are the well-known power batteries, battery management systems and vehicle control units. The demand for access to various sensor data in vehicle electr...[Details]
Industrial automation control systems are an indispensable part of modern industrial production. They use various sensors, actuators, controllers and other equipment to achieve real-time monitoring...[Details]
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