The advent of DOCSIS 3.1 has enabled CATV providers to increase upstream and downstream capacity. The next generation of DOCSIS 4.0 products is currently in the design phase. Using the right CATV ampl...
[i=s]This post was last edited by lidonglei1 on 2019-3-13 14:33[/i] [align=center][b]NEW EQUIPMENT FOR LIFE[/align][align=center][/align] [align=left]In winter, people often pay attention to the tempe...
[i=s]This post was last edited by Jacktang on 2019-11-12 20:41[/i]Circuit features: 1. Fully symmetrical complementary Class A amplifier circuit design is adopted;2. The input stage uses Toshiba's aud...
Thanks to the organizers and sponsors of the competition. I received the development board kit today and now I am sending out the unboxing photos of the development board kit....
蓝色天使onsemi and Avnet IoT Innovation Design Competition
Hi guys, I have two questions. If the output current is less than 400mA, should I choose a large freewheeling diode? Also, when calculating the maximum output voltage, do I need to add the load voltag...
[i=s]This post was last edited by Li Baiyi on 2021-12-22 21:12[/i]The previous article introduced the system architecture: each task has an independent state machine. When adding an MQTT task, just ad...
1 Characteristics of I2C bus The main advantages of the I2C bus are its simplicity and effectiveness. Since the interface is directly on the components, the I2C bus takes up very little space, reduci...[Details]
We designed an integrated chip test system using AT89C52 single-chip microcomputer. This test system can realize the function detection of TTL, CMOS series chips and some common key switches common...[Details]
We must be patient with the unique program syntax of the 51 microcontroller and the basic operating process of the Keil software. We mainly use C language to program microcontrollers, and some mi...[Details]
Pointer multimeter is a multi-purpose, multi-range instrument. It is very convenient to use and therefore widely used. Generally, pointer multimeters can be used to measure DC current, DC voltage, AC...[Details]
232 serial port mode, there are 4 modes, of which mode 0 and mode 2 have fixed baud rates. Mode 1 and mode 3 have variable baud rates, and these two use T1 timer as baud rate generator. Mode 0 baud...[Details]
introduction
Polymer humidity-sensitive capacitors have good linearity, small temperature coefficient, fast response time, and are compatible with traditional IC, semiconductors, and silicon p...[Details]
After going through numerous difficulties and dangers (obstacle avoidance, tracking), the next task of the smart rescue vehicle is to find the rescue object (metal detection) and implement rescue (...[Details]
The mechanical timer of my bedside fan was broken, so I prepared a 51 microcontroller to design one. The program passed preliminary debugging on the experimental board, and I could start making the b...[Details]
On July 20,
Nubia launched the Nubia Z50S Pro at a new product launch conference. As a newly launched flagship product with a straight imaging screen,
the Nubia Z50S Pro is fully equipped w...[Details]
1 Introduction Robotic line patrol refers to the use of robots to carry detection and communication instruments along the entire line. The robots complete the detection of line operation faults...[Details]
The 6% Luer taper connector multifunctional tester uses a 7-inch colorful LCD touch screen with Chinese menu display. The nominal capacity of the syringe can be selected by the keyboard, and the axia...[Details]
Today, new car buyers are focusing more on the “digital cockpit ecosystem experience” than on traditional features such as horsepower and fuel economy. The automotive industry has made it a priorit...[Details]