It has been almost a month since I reviewed the National Technology N32G457. Today, I integrated the previous projects into one that displays calendar + temperature. I was planning to make an e-cigare...
As the saying goes, yin and yang are in harmony and mutually dependent. Product managers, as the name implies, plan products, coordinate various departments in the company, and work part-time as "nann...
In the field of contactless card swiping, there are three ways to achieve low power consumption:
1. Optimize the chip wafer to reduce power consumption (this is very useless, the reduced power consump...
I'd like to show you the ESP32-S2-Saola-1 development board I just got. I plan to learn about it first and then share it with you.Compared with pyESP32, the size is similar, but the antenna part is ex...
This tutorial will teach you how to play with the balancing car step by step!The course content first explains the basic principles of the balance car, such as the principle of DC motor, the use of en...
Abstract: In order to eliminate the influence of single event upset (SEU) in space environment, error detection and correction (EDAC) design is currently used for RAM storage units in spaceborne co...[Details]
Smart car models have worked hard on AEB. Previously, Yu Chengdong wrote late at night that "some car company leaders don't understand it", and then there were mistakes in AEB for various models. B...[Details]
In embedded software programming, function calls are often used. When I was learning how to embed assembly in C language, I learned that the parameter call before C language used register R0 to pass t...[Details]
HSBC, once a battlefield coveted by financial elites and a highly influential partner of Chinese companies in cross-border business, is now at the center of controversy. First, CEO Stuart Flint res...[Details]
1. The green light in the figure is the elevator up indicator, the yellow light is the down indicator, and the red light is the alarm indicator. 2. The elevator is initially located on the first floo...[Details]
According to foreign media reports, Shoichiro Watanabe, chief technology officer of Panasonic Holdings Group's battery division, said that in the future, electric vehicle battery manufacturers will ne...[Details]
According to foreign media reports, there are less than 10 days left in the second quarter, and some manufacturers have announced the release time of their second quarter financial reports. Chip foun...[Details]
SmartSens launches the first 0.7μm pixel size 52MP CMOS image sensor, empowering smartphone imaging systems with high-quality imaging performance!
November 17, 2022, Shanghai, China—...[Details]
Technology giants such as Amazon, Google, Apple, and Microsoft have already launched virtual assistants based on artificial intelligence technology, such as Alexa, Google Assistant, Siri, and Cortana...[Details]
Sina Digital News on the morning of June 30th, mobile application analysis agency Sensor Tower recently reported that Apple’s App Store earned $41.5 billion in revenue in the first half of 2021, an i...[Details]
1. Introduction to principles 51 There is a full-duplex serial interface inside the microcontroller. What is a full-duplex serial port? Generally speaking, a serial port that can only receive or send...[Details]
Voltage Controlled Amplifier (VCA) using a variable conductance amplifier
Function of the circuit
The voltage controlled amplifier (VCA) can use an external DC voltage to adjust its gain. Ther...[Details]
Resistance welding is a highly automated welding method that converts the energy of the power grid into a welded joint. It is widely used in the automotive, aviation, and aerospace industries. As t...[Details]
1. Instrument Model Keysight N5182A Network Analyzer 2. Fault phenomenon Customer feedback: The instrument has no signal output 3. Inspection and maintenance Detection: First, the power-on test w...[Details]
The auto-coupling step-down starting control cabinet is a commonly used motor starting device. It uses an autotransformer to reduce the starting voltage of the motor, thereby reducing the starting ...[Details]