New virus spreads through the Internet under the name of "Jet Li"Source: Xinhuanet (06/08/07 11:17) Xinhuanet Beijing, August 6th Special Report: Rising Anti-Virus and Anti-Trojan Weekly Report (2006...
Mobile phones with integrated new features are a strong attraction for both new mobile phone users and existing users who want to replace their old phones, and camera phones with integrated photo func...
A simple common emitter amplifier circuit, why is the base current so small? According to the manual of 2N5551, shouldn't the voltage drop be only 0.7V? It stands to reason that the base current shoul...
This time, we use the combination of blynk app + server (local) + zero-knowledge ESP8266 development board to control the RGB LED to display various colors through the mobile phone APP.
1. Hardware pr...
[i=s]This post was last edited by landeng1986 on 2019-10-31 20:07[/i]With this development board, you don't have to worry about not being able to use the high-end radar in your hands. Infineon provide...
Recently, I have been learning about the MOS tube anti-reverse connection circuit, and I have been confused by several questions. I would like to ask you for help. 1. Why do we sometimes use two resis...