Finally, it's not the small LCD of 5110 anymore. I found the dusty 12864. This one still has fonts. Haha, serial mode, only 3 wires are needed. If you ignore the chip select, two wires are enough~
The...
First, I'll post the program I used, which I downloaded from the Internet. I have passed the hardware test and there is absolutely no problem [code] #define WRITE_SECOND 0x80 #define WRITE_MINUTE 0x82...
I made a board based on the 2410 development board of Broadcom, but the network chip used is different, and Broadcom only provides Eboot. How can I download the kernel through USB? It seems that it co...
I want to control the on and off of a constant current source. The current is about tens of milliamperes. Can I use an analog switch to control it? If yes, can you recommend a few? One with 16 channel...
Q: Can I use automatic routing for multi-layer circuit boards? Answer: Yes, it is the same as double-sided boards, just set it up. Q: Can I use orcad schematics in protel? Answer: You need to generate...
I am a student majoring in electronic information and I want to study for a master's degree. I personally prefer hardware-related things and hate programming. Although hardware also requires programmi...
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]