In the schematic diagram, the second pin of R1 is connected to the LED, but after importing to PCB, the second pin of R1 is connected to GND. In addition, R2 to R8 are all connected to the LED in the
Abstract: This paper describes the working principle, application field and market prospect of valve-regulated sealed lead-acid batteries. And based on production and application practice, this paper
[align=left][font=宋体]It's Wednesday in a blink of an eye, I really want to go to bed. In line with my brother-in-law's principle of not leaving unfinished work unfinished in the new year:hug:, I climb
1. OPENCORES.ORG There are many good PLD cores here, and the 8051 core can be found there. After entering, select project or go to http://www.opencores.org/browse.cgi/by_category. For those who want t