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
[i=s] This post was last edited by Aguilera on 2019-1-8 17:26 [/i] [size=5][font=sans-serif] At present, the on-chip RAM of DSP is getting bigger and bigger. To design an efficient DSP system, you sho