查看完整版本: schematic and pcb usb to rs232&rs485

tps_star 发表于 2012-9-6 19:43:56

schematic and pcb usb to rs232&rs485



schematic and pcb usb to rs232&rs485

liyf 发表于 2012-9-6 19:54:34

thank you for postting topic

jy11 发表于 2017-12-10 16:29:17

uSB卡。一:P

tanguoyong 发表于 2017-12-14 23:08:11

好资料，收了
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查看完整版本: schematic and pcb usb to rs232&rs485