I intercepted the command code sent by a mobile phone as follows: 4b 00 21 27 00 01 00 8b 97 7e 4b 00 21 27 00 02 00 e3 bd 7e 4b 00 21 27 00 07 00 5b c3 7e 4b should be the command code 8b 97 or somet...
The system's up and down frequency conversion cannot be separated from the stray. Strictly speaking, all communications cannot be separated from the stray....
[font=Arial]I want to use two dry batteries as the power supply for the microcontroller development board. Is it feasible? My development board uses L7805 AC voltage regulator. Now I want to bypass 78...
[align=left][font=宋体][font=Verdana][size=4][color=#000000]With the development of society, the reform of the medical system, the media's publicity, the people's legal awareness has been greatly streng...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:56[/i]The circuit is shown in the figure. It consists of a DC voltage regulator circuit, a delay circuit, an overvoltage and undervolta...