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Merge branch 'bugfix/fix_docs_rs485_driver_type' into 'master'

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examples: fix the RS485 line driver in the readme file

See merge request espressif/esp-idf!20433
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morris
2022-10-10 17:56:26 +08:00
parent 40b48a5393 7903952281
commit d1dee58be5
1 changed files with 2 additions and 2 deletions
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4
examples/peripherals/uart/uart_echo_rs485/README.md
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@@ -13,7 +13,7 @@ The approach demonstrated in this example can be used in user application to tra
### Hardware Required
PC + USB Serial adapter connected to USB port + RS485 line drivers + Espressif development board.
The MAX485 line driver is used for example below but other similar chips can be used as well.
The MAX483 line driver is used for example below but other similar chips can be used as well.
#### RS485 example connection circuit schematic:
```
@@ -22,7 +22,7 @@ The MAX485 line driver is used for example below but other similar chips can be
+-------x-------+ +-------x-------+
RXD <------| RO | | RO|-----> RXD
| B|---------------|B |
TXD ------>| DI MAX485 | \ / | MAX485 DI|<----- TXD
TXD ------>| DI MAX483 | \ / | MAX483 DI|<----- TXD
ESP32 BOARD | | RS-485 side | | SERIAL ADAPTER SIDE
RTS --+--->| DE | / \ | DE|---+
| | A|---------------|A | |