In order to observe the test results conveniently, I am used to using LCD to display. The code was transplanted from other development boards tested before. According to convention, as long as the pin...
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When the indoor CO2 concentration exceeds 1000 ppm , the human body will experience symptoms such as drowsiness, shortness of breath, lack of concentration , etc. If the concentration gradually increa...
In this picture, what are the changes in the collector voltages of the two transistors? What are the functions of the operational amplifier at the front end and VR10?...
This is the formula in the picture above. What I don't understand is how the VL drawn with a red line is merged into the formula below. Could you please teach me?...
GD32E231C-START unboxing. After waiting for so long, I finally received the board and sample today. The packaging is very simple.Black text on a white board. Next, you can build the circuit while prog...
According to foreign media reports, on July 23rd local time, u-blox, a provider of positioning and wireless communication technology, and Arvento Mobile Systems, a company in vehicle telematics and f...[Details]
Global fuel cell shipments exceeded 1.1GW in 2019. Fuel cells are power generation devices rather than power storage devices. A fuel cell is a non-combustion power conversion device that uses fuel ...[Details]
When engineers use an oscilloscope to measure the output signal of a switching power supply, they often find that the signals of the two measurement channels interfere with each other (crosstalk). In...[Details]
According to foreign media reports, a new research and development result - ultrasonic single-chip system opens up new design possibilities for virtual buttons for smartphones, automobiles, the Inter...[Details]
Let's look at DC/DC regulators: basically, a complete DC/DC regulator circuit sealed in a package similar to an IC. Let's assume that you have already researched the selection of products from...[Details]
introduction
Currently, IC card attendance system has been used by many enterprises, but using IC card attendance has its inherent defects. For example, an employee can bring someone else'...[Details]
As LEDs are further developed, their utility, or ability to produce light output from a power source, will only continue to increase. Second, LED lighting is environmentally friendly and does not req...[Details]
1 Commonly used CCD drive timing generation methods
There are many CCD manufacturers with different models, and the methods of generating driving timing are also varied. Generally, there...[Details]
Many emerging technologies rely on high-quality lasers. Laser-based lidar sensors can scan three-dimensional space with high precision, which is essential for applications such as self-driving vehicl...[Details]
1. Purpose of this example: This example is completely based on computer software. It uses PROTEUS software to build a single-chip microcomputer system, and uses VB to write a computer control softwa...[Details]
Figure 1 Labview front panel of the remote-controlled NXT robot
The task of the Labview front panel in Figure 1 is: the NXT car starts to move forward from the starting point and stops when it ...[Details]
The realization of autonomous driving requires the cooperation of various systems in the perception layer, decision layer and execution layer. The environmental information and in-vehicle information...[Details]
According to the China Trade Relief Information Network, on December 1, 2021, the U.S. International Trade Commission (ITC) voted to initiate a 337 investigation into certain integrated circuits, c...[Details]
Mechanical jitter: When a button is pressed, the level does not change immediately, but there will be an unstable state process before entering a stable level state.
Software debounce: If there are m...[Details]
A soft starter is an electrical device used to start a motor. It can effectively reduce the current impact when the motor starts and reduce the impact on the power grid and the motor. However, in p...[Details]