In recent years, with the emergence of intelligent products and increasingly fierce competition, many terminal product manufacturers have higher and higher requirements for the indicators of their own
I started playing with digital electronics and felt that the power supply was not easy to use. I found LM317 and made a power supply module. It is simple and easy to make. If you are interested, you c
[i=s]This post was last edited by cruelfox on 2020-4-30 00:46[/i] I have been playing with the Cortex-A7 core of the STM32MP157A because it is new to me. In addition to the two A7 cores, this chip is
This content is originally created by EEWORLD forum user junda2018001. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source.1. SIM car