Can your help me? If no error,i will make pcb & open scouce。 在 2018年9月28日星期五 UTC+8上午10:36:55，Lang Gu写道： > > Hello, everyone . > I'm new drawing a cnc cape sch.. > It‘s with 19 Optocoupler isolation INPUT(11 INPUT use for MPG ,) and 16 > Non-Isolated > <http://www.baidu.com/link?url=BNsib2kq5dU8yQ3jhUW_wDiqwNZxNq5P7JzjPDx1rfcoNPFdszJvZ8zLIqiWuH-7Woivxv5a-paqfa5Ui_Y1sK5dGrImqKKsL1UuBvKD_I_> > OUTPUT > (use 74ls244 ) > I use mcp23017 i2c bus for 16 input(for limit --max/min/home etc.).. > > BUT， I'm not a electronic engineer > <http://www.baidu.com/link?url=saoUwpWVqX9fqxwvTEnna5vS05zf8DhiAKldVez8q5GHfCz1Szl3t9cDThxi9fsGefvPnwieq1CNXvScUhbFfzhG9rRPyDiZA9OtahQhDDybCFnRhdzZVUGuv986kLeU> > ，so Dare not confirm right。。 > Hope electronic engineer proofreading. >
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