Learning C Language from Scratch: Multidimensional Arrays

Learning C Language from Scratch: Multidimensional Arrays

Multidimensional arrays are arrays composed of multiple one-dimensional arrays, where each one-dimensional array is referred to as a sub-array. Similar to one-dimensional arrays, each element of a multidimensional array can be of any type; for example, integer, character, floating-point, etc. The declaration format for multidimensional arrays is as follows. Initialization of Multidimensional Arrays Multidimensional arrays … Read more

RS-485 Protocol Overview

RS-485 Protocol Overview

: Recently, I modified an old device that required communication control applications, from which I derived some insights: 1. FX2N-485-BD is economical to use; A./ (ASCII communication mode, operation, and frequency register address can be easily mistaken, but LRC checksum is easy to obtain)/ B../ (RTU communication mode, operation, and frequency register address is less … Read more