Рубрика: Новости (page 149)

What is GPRS? The full name of GPRS DTU is GPRS data transmission unit. Currently, there is no specific name in China, and there is no clear agreement. Some people also call it data transmission terminal, data collection terminal, etc.…

The difference between serial port and parallel port 2020-08-13 14:12: 14Zongheng Intelligent Control 6 serial port The serial port is also called a serial port. Compared with the transmission speed of the parallel port, the transmission speed of the serial…

What is simplex and full-duplex communication? 2020-08-14 10:30:48 Zongheng Intelligent Control 3 What is simplex and full-duplex communication? Simplex means one direction, and duplex means both parties send and receive at the same time. They can only send and receive…

What is DB9 interface 2020-08-14 10:57:29 Zongheng Intelligent Control 1 DB9 interface introduction (1) The DB9 interface is a standardized interface commonly used in the early days of serial communication. (2) Serial communication was the main means for computers to…

what is interrupt 2020-08-17 14:24: 44Zongheng Intelligent Control 3 what is interrupt (1) The invention of interrupts was used to solve macro-parallel needs. Macro means looking at it as a whole, and parallel means that multiple things are completed. (2)…

What is an external interrupt and the triggering mode of the external interrupt? 2020-08-17 14:39:04 Zongheng Intelligent Control 5 What is an external interrupt? Where is the data sheet? (1) One of the interrupt types supported by SoC is called…

Recently, Chengdu High-tech Zone released the first batch of gradient cultivation enterprises in 2020. As a high-tech enterprise focusing on the research and development of Internet of Things data communication products and related overall solutions, Zongheng Intelligent Control stood out…

To connect things to each other, a “bridge” is needed. Computers to computers, or computers to terminals, still need media. Data transmission between them can use two methods: serial communication and parallel communication. The serial communication method is widely used…

Industrial grade IoT transmission terminal -DTU ZHC4012, developed by Zongheng Intelligent Control, is an industrial-grade IoT transmission terminal that can use the public network to provide long-distance wireless communication. Transmit the collected device data to the server. Provide RS485, 232…

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