Python has been very popular in the past two years. Big data, artificial intelligence, and deep learning all use Python. When I was in college, I also taught myself how to do it, but I didn't expect i
My boost circuit diagram is as follows:My BAT input is three AA batteries, and the DC-DC boost chip used is PT1311. The following figure is a partial introduction to PT1311:My boost output is 5V. Now
[i=s] This post was last edited by tiankai001 on 2019-1-8 11:10 [/i] [b]VI. Negative power supply PNP transistor collector DC circuit [/b][align=left][color=rgb(34, 34, 34)][font="]The figure below is
The so-called flashboot is to burn the user's main program into the flash chip, and then power on to realize the automatic loading and startup process of the main program. This article does not discus