GSA confirmed today that there are now 153 operators in 64 countries/regions (as of mid-March 2021) that have announced 3GPP-compliant 5G for mobile or FWA services. A total of 428 operators in 132 co...
Brief Introduction to SP430 MCU Debug Interface
The MSP430F1, F2, and F4 series products use a 4-wire JTAG interface, namely TMS (mode selection), TCK (JTAG clock signal), TDO (data output), and TDI (...
The following figure shows part of the VGA-OUT circuit:(1) Does D6 function similarly to the output protection function of a motor drive?
(2) If (1) is true, does the VGA interface generate back elect...
Any electronic product cannot be separated from the design of power supply, among which DCDC is the most frequently used.
There are three types of DCDC: buck circuit, boost circuit, and buck-boost cir...
The MC9S12DP512MPVE is a 16-bit microcontroller based on the enhanced HCS12 CPU with a CISC architecture and a maximum operating frequency of 25MHz. The device contains 512kB internal flash memory, 12...
[i=s]This post was last edited by damiaa on 2021-5-17 12:53[/i]Annoying technology
May 1st is here. Li Ming took the high-speed train home a day in advance. When he was about to enter the station, he ...
Recently, a "Rashomon" has been staged in the field of power batteries . " What exactly are the cobalt-free batteries purchased by Tesla ?" This news has been reversed several times, fooling many p...[Details]
Beijing Junzheng disclosed its semi-annual report, the company achieved operating income of 143,979,612.92 yuan in the first half of 2019, a year-on-year increase of 40.30%; the net profit attributab...[Details]
According to foreign media reports, HERE Technologies, a positioning data and technology platform, announced a partnership with what3words to provide the next generation of accurate in-car navigation...[Details]
The range of sensors that self-driving cars must use to perceive their surroundings and detect obstacles is far from exhaustive. Cameras, radars, and lidar are the basic sensors needed to achieve hig...[Details]
The Philips PH2 smartphone was launched last week at a price of 799 yuan. Now, the company has launched another model called Philips PH1 in the Chinese market. The Philips PH1 has a 6.517-inch LCD ...[Details]
Goals: Make a dot matrix screen display system with SMS receiving function, which is used for publishing public information in some public places such as our school and company. This system can r...[Details]
Introduction: Many people believe that AI will one day be as disruptive as the steam engine, electricity and computers, and its market potential value and product and service innovation capabilities ...[Details]
Five years ago, when many manufacturers proposed When the standby power consumption dropped below 1W, many people exclaimed that it was an unattainable "myth"! However, in the end, this so-called...[Details]
On December 19, Qualcomm released a running score video of the Snapdragon 888 reference design prototype yesterday. In the video, Qualcomm used the Snapdragon 888 reference design prototype to run An...[Details]
Everyone knows that the service life of the inverter is halved for every 10℃ rise in the ambient temperature. Therefore, in daily use, a reasonable inspection cycle and system should be formulated ...[Details]
1 SDRAM addressing: The board uses a modern sdram chip 4M×16b×4Bank, which is 32MB. It should have 25 address lines, but the chip only provides 13 address lines, 2 bank select lines (BA0, BA1), and t...[Details]
Capacitive sensors have been widely used in industry, medicine, military and other fields. However, most of the current capacitance measurement methods have low integration level and low precision, s...[Details]
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With the rapid development of people's living standards and the accelerating pace of life, refrigerators play an increasingly important role in families, but they are troubles...[Details]
Preface This article is mainly about watching videos to learn 51 assembly, but my environment is always not configured well, and this problem occurs (keil2+vdmagdi.exe+Proteus). Anyone who knows can ...[Details]
With the continuous development of power electronics technology, power electronic devices with nonlinear loads are widely used in power grids and generate a large number of current harmonics. The w...[Details]