After downloading the program via USB, I cut off the power, connected the serial port to the development board, and the power indicator light was slightly on, but the program did not run.
When I opene...
[i=s]This post was last edited by sfcsdc on 2021-5-12 17:54[/i]The 485 transceiver on one side is powered by 3.3V;
The 485 transceiver on one side is powered by 5V;there is data loss during communicat...
The current in the inductor cannot change suddenly. (After the voltage across the inductor is removed, the current will not disappear immediately, thus generating a reaction potential)Inductor is an e...
Given that the output voltage is 12V and the maximum input voltage is 42V, find the value of L1.
According to BUCK MODE, L1=（12*(42-12））/（42*300000*1.2）
The document says L1=28UH, but no matter how I ...
1. After drawing the schematic diagram and making the board, directly power on 24V. No 5V output is seen from V5M, that is, D17 light is not on, which means the chip is not working.
2 Is there any off...
I am about to find a job, so I reviewed the relevant knowledge and looked at the written test questions of embedded C. Overall, I feel that the test questions are quite interesting. The test points ar...[Details]
Less than a month after completing its Pre-A round of financing led by Sequoia Capital China, Muxi Integrated Circuit (Shanghai) Co., Ltd. (hereinafter referred to as "Muxi") received another PreA+ r...[Details]
The 12th VDMA China Machinery Summit was successfully held
On September 14-15, 2023, the 12th VDMA China Machinery Summit, hosted by German-Chinese Vidima Business Consulting...[Details]
Video surveillance is the eyes of smart home. Perhaps the first thing that comes to our mind is that the display screen of the indoor unit at home can display the visiting guests. Yes, this is one ...[Details]
According to the Liberty Times, MediaTek's Chief Financial Officer Gu Dawei said this morning that MediaTek's 5G mobile phone chips have been sent for sampling and are progressing smoothly. It is exp...[Details]
The shift from 400 V to 800 V in electric vehicle (EV) battery systems has brought silicon carbide (SiC) semiconductors to the fore in traction inverters, on-board chargers (OBCs) and DC/DC convert...[Details]
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In daily work, what is the operating load of the R-type transformer? These important data are very critical. Usually, we want to know what the load of the R-type transformer is. We can find out thr...[Details]
DBNY-S portable withstand voltage tester is suitable for the safety withstand voltage and leakage current test of various motors, electrical appliances, instruments and meters, household appliances, a...[Details]
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If RFID PEPS is the dominant player in the era of fuel vehicles, and BLE PEPS is the leader in the era of Internet of Vehicles, then UWB PEPS will surely be the new star in the era of autonomous dr...[Details]
Since SATA is applied to ATAPI devices, transmission performance is not the most important consideration, but software and hardware compatibility is the most important issue, so it is more dif...[Details]
The structure and working principle of the low-power clock device DS3231 launched by Dallas Company in the United States are introduced. DS3231 can count the year, month, day, hour, minute and second...[Details]
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