The outermost UUID is called service (serverID) for the time being, and the next layer is called characteristic (characteristicID) for the time being. The characteristic layer can be used to encapsula...
At first, UWB and Bluetooth may sound very similar. Bluetooth Low Energy (BLE) is a low-power radio system that has been used in beacons for ranging and measuring location, or at least that’s the prom...
The National Aeronautics and Space Administration (NASA) announced at the 2018 Geophysical Meeting in the United States that by comparing the data sent back by different instruments on Voyager 2, afte...
On September 17 (Thursday) at 2:00 p.m., Zurich Instruments will hold an online seminar "Impedance Analyzer from Switzerland" through Tencent Conference. The meeting will last about 1 hour.This webina...
Dear experts, I have recently been debugging TI's ADS1278 analog 24-bit acquisition system and found that there are data point loss phenomena when acquiring signals. The 6-channel data belonging to th...
Has anyone used a noise amplifier to test the noise of a circuit? The peak-to-peak voltage measured should be calculated using a formula, right? Also, how do you measure the noise of a noise amplifier...
As future cars shift toward software-defined, the functions and features of cars are increasingly set through software code rather than traditional controller hardware.
This shift requires us...[Details]
introduction
Ubiquitous networks have brought huge development opportunities to network access devices. With the rapid growth of the network access market, embedded network access has b...[Details]
On May 15, the U.S. Bureau of Industry and Security (BIS) announced that it would introduce new export control regulations to restrict Huawei's ability to design and manufacture semiconductors abroad...[Details]
Traditional digital video capture cards usually only have video capture function, but not video processing function. This paper introduces the design of a digital video capture card based on TI's C...[Details]
Different applications require different design parameters. System size, efficiency, flexibility and external component count must be considered to suit the end purpose.
Small size is importan...[Details]
With the continuous development of automotive electronic technology, the number of automotive electronic equipment has greatly increased, the operating frequency has gradually increased, and the po...[Details]
We often need to set STM32 to enter low power mode at a certain time. Many people cannot burn the program again when entering low power mode for debugging. The solution is: 1. Boot0 must be pulled hi...[Details]
Imagine you are a medical technician in a large city emergency room. You travel from room to room, assisting the medical staff with their diagnosis using portable diagnostic equipment. With a high pr...[Details]
In recent years, influenced by the global solar cell development "boom", my country's solar cell industry has developed unprecedentedly. This article will talk about the surface sandblasting applic...[Details]
With the widespread acceptance of LED technology in the field of LCD backlight and its rapid growth in the field of general lighting, SEMI's latest report SEMIOptOLEDFabForecast shows that LED manufac...[Details]
Recently, Ruishi Technology completed its A2 round of financing, with a total financing of over 200 million yuan in rounds A1 and A2. Investors in this round include China Resources Runke Capital and...[Details]
The dual dimming desk lamp is based on the single dimming lamp, with an additional low-power bulb. When the knob is turned, the power switch is turned on first, and the small bulb lights up; when...[Details]
The general structure of the electric servo system of industrial robots is three closed-loop control, namely the current loop, speed loop and position loop. Generally speaking, for AC servo drives,...[Details]
As models equipped with MediaTek Dimensity 9000 and Dimensity 8100 processors are launched and put on the market one after another, and many new models of domestic smartphone brands are constantly be...[Details]
LED display circuit
Figure 1 Segment digital tube
LED display circuit
In Figure 2, the 80C51 microcontroller is used. The capacitors C1, C2 and CRY1 form the clock oscillation circuit. Th...[Details]