I would like to ask which part of the code is executed first in the eCos system? Maybe I am not very specific, let me give you an example: the standard C language always starts with the main() functio
Modbus protocol has become the first choice of communication protocol in the current industrial field due to its openness, transparency, low cost and easy development. This paper introduces a communi
Validity period: From now until February 20, 2020Dear forum friends:
Happy New Year. In 2020, the community intends to improve the user experience of the live broadcast room. What new features do you
[i=s] This post was last edited by Pofenglang Guayunfan on 2017-7-4 11:48 [/i] It stands to reason that the positive feedback of the op amp will not cause virtual short circuit or virtual open circuit
CM PGM (Cortex-M Programmer) is an offline programmer for HDSC's Cortex-M series MCUs, supporting all HDSC Cortex-M series MCUs. The purpose is to provide users with a small, portable, safe, reliable,
[size=2][color=#000]When simulating the AGC circuit according to the VCA821 datasheet, I found that the output waveform is distorted, and the amplitude of the output signal keeps changing with the inp