examples: fix the RS485 line driver in the readme
Closes
@@ -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 | |
