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rs485电路与rs232电路问题
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几款rs485转rs232电路图
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转rs232rs485接口原理图
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232转485电路,经过验证生产

图2 rs232转rs485接口电路图(hin232cp sn75lbc184)图1 at90s2313 max
rs485电路与rs232电路问题
几款rs485转rs232电路图
转rs232rs485接口原理图
232转485电路,经过验证生产
图2 rs232转rs485接口电路图(hin232cp sn75lbc184)图1 at90s2313 max