It has been a while since I got the board. For various reasons, I have neglected this LM3S811 evaluation board.Today I finally found the LM3S811. It feels similar to the STM32 I used before.All you ha...
1. The following figure (Figure 1) is a series differential op amp circuit with the same phase input. Assume that op amps A1 and A2 are ideal components and satisfy R2/R1=R3/R4, Vi1 and Vi2 are both s...
[font=宋体]The building intercom system is a device used for information transmission between households inside and outside high-rise residential buildings and apartment buildings, anti-theft door contr...