I made two cyclone4 EP4CE6E22C8 boards, and after soldering them, I found that other functions were fine, but the PLL output frequency was wrong.
50M crystal input, 5M, 50M, 100M, 200M output. The mea...
:pleased: Today is the Waking of Insects! I wish every netizen will grow vigorously in the new year after hibernating in winter and being baptized by spring rain! Meet new challenges, improve and enha...
Recently, when designing PCB, I needed to use PCB 3D design effect display, so it took some time. I used PADS. I also shared it with you, please like it!...
I am going to use the laser ranging module and need to count microseconds. I use timer 4 and set the time to 1um. I add 1 to the variable every time it is interrupted. When testing, I first clear the ...
Digitally controlled DCDC converter
1 Introduction :This design is a digital control DCDC converter . MCU is used to control the output voltage of the DCDC converter to achieve the purpose of digital ...
How to deal with the error "Transient time point calculation did not converge" when simulating with Multisim under high-frequency signals? Thank you!...
This article mainly introduces how to use PIC microcontroller to read humidity and temperature from DHT11 and display it on LCD display. In this example, the microcontroller model we use is PIC16F628...[Details]
On April 24, due to the increase in sensors on mobile phones, it has become possible to identify early diseases through mobile phones.
According to domestic media reports, a study recently pub...[Details]
The price of LED bulbs continues to fall. A year ago, you could spend about $50 to buy a Philips 60W dimmable LED bulb to replace an old-fashioned bulb, but today, you can buy its home-brand 8W, 80...[Details]
1. System Overview
The safety of infants in hospital has always been a concern for parents and hospitals. The Intetag Infant ProtectiON System can solve the worries of parents and hospital...[Details]
This circuit is an OCL power amplifier circuit composed of low-power integrated power amplifier LM386. The circuit structure is simple and easy to debug, making it very suitable for self-production...[Details]
If the medium measured by the electromagnetic flowmeter is relatively dirty for a long time, then the electromagnetic flowmeter will produce scale on the electrode after working for a period of time. ...[Details]
my country's integrated energy services as a whole are still in the early stages of development. Relevant companies have been planning projects such as energy internet, smart energy, multi-energy c...[Details]
Battery life is becoming one of the most critical factors in system performance and reliability, and the introduction of supercapacitors will help extend battery life in two major application areas. ...[Details]
Recently, foreign media dug out a Redmi 10X 4G configuration list on Google Play and found some interesting things. At present, Redmi 10X has passed the certification of the Ministry of Industry ...[Details]
0 Introduction
The intelligent remote control system based on the telephone network allows users to remotely control electrical equipment using fixed telephones or mobile phones at a remote end...[Details]
1. Amplitude adjustment and measurement After checking that the wiring of the oscillation circuit is correct and the components are properly selected, oscillation may occur after the DC power supply ...[Details]
Negative voltage converter circuit composed of LT1054
The negative voltage converter circuit composed of LT1054 is shown in the figure, and FB/SD (pin 1) is in an open circuit state. ...[Details]
The problem of Staubli teaching pendant is very important. Most of the robots used in my country's production are imported. Domestic robot maintenance technology is lacking and can only rely on for...[Details]
Gerard Williams, senior vice president of Qualcomm, recently announced that Qualcomm's next generation CPU (central processing unit) will be launched next year. This new product "will bring revoluti...[Details]
WENZHOU, Nov. 4, 2024 /PRNewswire/ -- On October 29, 2024, the Chairman of Ruipu Lanjun and the General Manager of the US subsidiary visited the Waratah Super Battery Site in Australia. Ruipu Lanju...[Details]