Ultrasonic transmitter and receiver split ruler (GPS/BDS chip PPS signal is used as time synchronization, the synchronization error is about ten microseconds)
This is a self-made project that I have p...
Today, MicroPython officially released the pyb D series development board and started selling it in the official store. The matching baseboard and expansion board are also on sale. The new pyb D serie...
Regarding the directional positioning of Bluetooth 5.1, I have looked online and found that there are basically no in-depth articles. Most of them are just superficial introductions. I feel that this ...
Original article by Mr. High Speed | Huang GangIf you are asked to evaluate the crosstalk of high-speed serial signals, you will say that their crosstalk is below -40db and has no effect. But if you a...
I used ap4 to generate code, and then created a new project with cs+ for ca. After adding the c file, I set the device configuration in Link Options according to the content in the r_option_ca.txt fil...
0 Preface
In recent years, as people pay more attention to environmental issues, the earth's demand for clean energy has become higher and higher. Our company has been committed to the research...[Details]
1. Measure the polarity of each foot of the rectifier bridge Set the multimeter to R×1k, connect the black probe to any pin of the bridge stack, and use the red probe to measure the other three pins ...[Details]
In the previous article, we talked about Mitsubishi FX3U to Modbus. In non-standard industrial automation systems, it is often necessary to collect PLC data to PC-side host software. Direct collect...[Details]
Industry sources said that amid the persistent shortage of certain chips, downstream ICT assemblers are also facing liquidity pressure from high inventories of other components, prompting them to mak...[Details]
Experimental study on supporting technologies for pipeline acoustic emission detection
Under laboratory conditions, an ultrasonic-acoustic emission detection experimental system was established. Th...[Details]
I used the official function library and looked at the examples. The design method is basically the same: GPIO_Init(GPIOA, (GPIO_Pin_TypeDef)(GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6), GPIO_MODE_IN_PU_IT);...[Details]
1. Reduce the external clock frequency. The external clock is a high-frequency noise source. In addition to causing interference to the application system, it may also cause interference to ...[Details]
A strange function irq_print() is called in the interrupt service function ... INTERRUPT_HANDLER(RTC_CSSLSE_IRQHandler, 4) { g_rtc_report = 1; //Timer wake-up flag set to 1, enter interrupt 4 R...[Details]
On June 27, 2024, the 2024 3rd China Internet of Vehicles Security Conference hosted by Gasgoo came to a successful conclusion in Shanghai.
In recent years, automotive network data secur...[Details]
China Energy Storage Network News:
On the evening of September 9, China Unicom announced that it will cooperate with China Telecom to build a 5G access network nationwide. Earlier, at the Chi...[Details]
"People are reluctant to change because they are afraid of the unknown. But the only unchanging fact in history is that everything changes." This sentence by Yuval Noah Harari, a globally renowned em...[Details]
1. High-voltage fast charging has become an important solution to the charging problem
1. Charging anxiety needs to be solved
Shortening the charging time is currently the key to improvin...[Details]
Introduction: Companies such as Iberdrola, CIE Automotive, Enagás, EIT InnoEnergy and CIC energiGUNE, together with the Basque Government, have launched the Basquevolt initiative to research, develop...[Details]
Senior Pure storage executives drive growth in key regions and help customers reap transformation results September 19, 2023, China - Pure Storage® (NYSE: PSTG), a global IT pioneer that provides a...[Details]
As the drive for higher performance continues, the unit interval (UI) of the effective data window continues to shrink. At 1Gbps, the UI is 1000ps; at 5Gbps, it is 200ps; and at 10Gbps, it is 100ps...[Details]
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