[align=left][color=rgb(85, 85, 85)][size=4][b] With the rapid development of new energy vehicles and the increasing complexity of automotive electronic systems, the functional safety of automobiles ha
[color=#252525][size=14px]51 MCU uses ULN2003A chip to drive stepper motor program plus Proteus simulation [/size][/color] [color=#252525][size=14px]The MCU source program is as follows: [/size][/colo
[i=s] This post was last edited by Jacktang on 2019-4-12 09:05 [/i] [size=4] Friends who have worked on RS-485 optocoupler isolation circuits must have been annoyed for a long time. This commonly used
There are two ways of thinking: 1. Connect two 7V/1A battery panels in parallel to become a 7V/2A power supply, and then get 12V by 7V to 12V boost; 2. Connect two 7V/1A battery panels in series to ge