I am making a demo board and added two red and green LED lights on it. The red light is on normally and the green light is on when the card swipe relay is activated. The current of the LED light is 20...
[i=s] This post was last edited by chrisrh on 2019-1-19 09:40 [/i] [align=left][font=文泉驿正黑][size=4][b]I am always confused by the display when designing on the canvas [/b][/size][/font][/align][align=...
[i=s]This post was last edited by cardin6 on 2013-12-27 22:03[/i] After nearly two months of hard work, the engraving machine was finally installed, but unfortunately it is still unusable. Because I d...
This interrupt keyboard is really troublesome. I connected VCC and P1.2 through a button. The idea is that pressing the button will generate a rising edge on P1.2, thereby executing the interrupt serv...