CH9121+MAX485CSA 做的 485 转网口 双向转换方案PC
CommentPatternQuantityComponentsPORT21P3SIP21P40.1uF6032110K6032R9, R10120/NC6031R1118K6031R41uF6031C31uF8051C720p6032C4, C522uF35282C1, C2630MHzXTAL62/281X13HEADPOWERX1P24706033R1, R2, R349.9 1%6034R5, R6, R7, R8CH9121LQFP64M_10x101U1CON3SIP31J1HR911105ARJ45A1P1LM1117_1V8SOT-2231U2LM1117_3V3SOT-2231U3MAX485CSASOP81U4POWER0805L1LED1SocketSIP11J3UARTSIP31J2 PCB文件和原理图共享。回复下载
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