Autore: iot-it (pagina 152)

What is a watchdog Watchdog (watch dog timer watchdog timer). What is a watchdog ? Let’s imagine this scenario: There is a dog at the door of your house. This dog will be hungry at regular intervals (for example, every…

“C Runtime” requires certain conditions, which are provided by assembly. The c language mainly requires a stack when running The relationship between C language and stack: Local variables in C language are all implemented using the stack. If our assembly…

cos'è la cache La cache è un tipo di memoria, chiamata cache. In termini di capacità: CPU《Register》Cache《DDR In termini di velocità: CPU 》Registro 》Cache 》DDR La cache esiste perché la differenza di velocità tra registri e DDR è troppo grande. La velocità...

What are link addresses and running addresses Link address and running address: may be the same or different. For position-related code, the running address during final execution and the link address given during compilation and linking must be the same,…

As a low-power wide-area network communication technology, LoRa realizes the requirements of both long-distance and low-power consumption for the Internet of Things, making LoRa technology applied in more and more fields. Faced with the networking requirements of numerous nodes in…

The serial port is an indispensable universal peripheral interface in DTU / RTU configuration and debugging, so how to use the serial port debugging assistant is very important. Next, I will introduce how to use the serial port debugging assistant.…

The Ethernet IO controller is a collection and control device used for converting I/O data to Ethernet. The port has overcurrent and overvoltage protection, and the module has electromagnetic isolation protection. It adopts the standard Modbus TCP/ RTU communication protocol…

Router is a device that connects various local area networks and wide area networks in the Internet. It is the hub of the Internet. It will automatically select and set routes according to the channel conditions, and send signals in…

What is the function of serial port server ? Serial port server is simply a network communication interface conversion device. It can convert our common RS-485, RS-232, and RS-422 serial ports into TCP/IP network interfaces to realize RRS-485, S-232, RS…

Modbus gateway generally refers to a device that can support multiple serial devices and forward them to a remote network. Generally based on Modbus serial communication protocol. For example, through the TCP/IP protocol, the remote serial device is virtually connected…