I have never understood why a constant voltage charger charges at a constant voltage. When the battery voltage is lower than the constant voltage, doesn't the battery voltage pull down the power suppl...
I just started learning 51 single-chip microcomputers. When I use Keil software for single-step debugging, the assembly language interface appears. I cannot add breakpoints on the C program, but can o...
1. 3.7V boost to 5V (or 6V, or 9V), 2A--4A.
2. With 1-4 lights to choose from for power display, the LED will always display after power on.
3. 4.2-4.4V charging protection, overcurrent and overload p...
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
If a car stereo could play multiple CDs, then such an in-car entertainment system was an advanced system configuration. Today's in-car infotainment systems are complex embedded subsystems that combine...[Details]
1. Introduction
With the continuous development of modern urban construction, infrastructure and real estate are becoming increasingly prosperous, and the quality requirements for construction ...[Details]
1. Project Introduction
Energy consumption is an important controllable part of the cost of enterprise products. Reducing energy consumption is an important way for enterprises to reduce costs...[Details]
For a long time, everyone has held a view when talking about power supplies: "Whether a power supply is good or not depends on whether it is heavy." So is it true that the heavier the power supply,...[Details]
In the 8051 system, the data pointer DPTR is a special 16-bit register used to address the 64 KB XDATA or CODE space. It is usually used as a 16-bit pointer to a constant table. Dual data pointer...[Details]
In recent years, information technology based on microelectronics and computer technology has developed rapidly, and ultrasonic non-destructive testing instruments have also gained unpreceden...[Details]
1. Architecture and operation of electronic toll collection system
The basic principle of the electronic toll collection system is to enable a special device (on-board unit) installed on t...[Details]
As the trend towards miniaturization continues, new packaging methods and methods of interconnecting integrated circuits have been developed. Today, "system on chip" refers to a packaging method th...[Details]
The MCS-51 microcontroller has multiple interrupt sources. Taking 8051 as an example, there are 5 interrupt sources, two external interrupts, two timing interrupts and one serial interrupt. In this...[Details]
Today's automotive infotainment systems fully reflect innovative and excellent automotive engineering technology. The system has evolved from the original car radio to a comprehensive multimedia in...[Details]
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