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| RS-232 to RS-485 Interface Converters |
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RS-232 to RS-485 Interface Converters : The circuit we have chosen as our example is an RS232 to RS485 converter. This is a often needed device which can demonstrate a lot of principles of circuit design, and hopefully the finished project will be useful to some people, just as it stands |
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Feature  |
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DB9 RS232 connector compatible with PC |
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TxD and RxD translated from RS232 to RS485 |
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Direction of transmission controlled by PC RTS line |
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Indicator LED(s) to show communications traffic |
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Figure 1. Schematics of RS-232 to RS-485 Interface Converters |
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Data Sheet & Related Links |
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| MAX487 |
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| The MAX481, MAX483, MAX485, MAX487-MAX491, and MAX1487 are low-power transceivers for RS-485 and RS- 422 communication |
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| RS-232 Tutorial |
| RS-232 is simple, universal, well understood and supported but it has some serious shortcomings as a data interface. |
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