diff --git a/examples/protocols/modbus/serial/mb_master/README.md b/examples/protocols/modbus/serial/mb_master/README.md
index 4bb948f354..cccd75e513 100644
--- a/examples/protocols/modbus/serial/mb_master/README.md
+++ b/examples/protocols/modbus/serial/mb_master/README.md
@@ -97,7 +97,7 @@ Configure the slave address for each slave in the Modbus segment (the CONFIG_MB_
 ```
   ------------------------------------------------------------------------------------------------------------------------------
   |  UART Interface       | #define            | Default pins for      | Default pins for ESP32-S2 | External RS485 Driver Pin |
-  |                       |                    | ESP32 (C6, P4)        | (S3, C3, C2, C5, H2)      |                           |
+  |                       |                    | ESP32 (C6, P4)        | (S3, C3, C2, C5, H2, C61) |                           |
   | ----------------------|--------------------|-----------------------|---------------------------|---------------------------|
   | Transmit Data (TxD)   | CONFIG_MB_UART_TXD | GPIO23                | GPIO9                     | DI                        |
   | Receive Data (RxD)    | CONFIG_MB_UART_RXD | GPIO22                | GPIO8                     | RO                        |
diff --git a/examples/protocols/modbus/serial/mb_master/main/Kconfig.projbuild b/examples/protocols/modbus/serial/mb_master/main/Kconfig.projbuild
index b6909e585d..4dba2be601 100644
--- a/examples/protocols/modbus/serial/mb_master/main/Kconfig.projbuild
+++ b/examples/protocols/modbus/serial/mb_master/main/Kconfig.projbuild
@@ -32,8 +32,9 @@ menu "Modbus Example Configuration"
         int "UART RXD pin number"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_IN_RANGE_MAX
         default 22 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32P4
-        default 8 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
-            IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 8 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3
+        default 8 if IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 8 if IDF_TARGET_ESP32C61
         help
             GPIO number for UART RX pin. See UART documentation for more information
             about available pin numbers for UART.
@@ -42,8 +43,9 @@ menu "Modbus Example Configuration"
         int "UART TXD pin number"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
         default 23 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32P4
-        default 9 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
-            IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 9 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3
+        default 9 if IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 9 if IDF_TARGET_ESP32C61
         help
             GPIO number for UART TX pin. See UART documentation for more information
             about available pin numbers for UART.
@@ -53,8 +55,9 @@ menu "Modbus Example Configuration"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
         default 20 if IDF_TARGET_ESP32P4
         default 18 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6
-        default 10 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
-            IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 10 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3
+        default 10 if IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 10 if IDF_TARGET_ESP32C61
         help
             GPIO number for UART RTS pin. This pin is connected to
             ~RE/DE pin of RS485 transceiver to switch direction.
diff --git a/examples/protocols/modbus/serial/mb_slave/README.md b/examples/protocols/modbus/serial/mb_slave/README.md
index 23eda16501..33999f3ac1 100644
--- a/examples/protocols/modbus/serial/mb_slave/README.md
+++ b/examples/protocols/modbus/serial/mb_slave/README.md
@@ -47,7 +47,7 @@ Configure the UART pins used for modbus communication using the command and tabl
 ```
   ------------------------------------------------------------------------------------------------------------------------------
   |  UART Interface       | #define            | Default pins for      | Default pins for ESP32-S2 | External RS485 Driver Pin |
-  |                       |                    | ESP32 (C6, P4)        | (S3, C3, C2, C5, H2)      |                           |
+  |                       |                    | ESP32 (C6, P4)        | (S3, C3, C2, C5, H2, C61) |                           |
   | ----------------------|--------------------|-----------------------|---------------------------|---------------------------|
   | Transmit Data (TxD)   | CONFIG_MB_UART_TXD | GPIO23                | GPIO9                     | DI                        |
   | Receive Data (RxD)    | CONFIG_MB_UART_RXD | GPIO22                | GPIO8                     | RO                        |
diff --git a/examples/protocols/modbus/serial/mb_slave/main/Kconfig.projbuild b/examples/protocols/modbus/serial/mb_slave/main/Kconfig.projbuild
index 201ef2cc18..56fc211dc0 100644
--- a/examples/protocols/modbus/serial/mb_slave/main/Kconfig.projbuild
+++ b/examples/protocols/modbus/serial/mb_slave/main/Kconfig.projbuild
@@ -32,8 +32,9 @@ menu "Modbus Example Configuration"
         int "UART RXD pin number"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_IN_RANGE_MAX
         default 22 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32P4
-        default 8 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
-            IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 8 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3
+        default 8 if IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 8 if IDF_TARGET_ESP32C61
         help
             GPIO number for UART RX pin. See UART documentation for more information
             about available pin numbers for UART.
@@ -42,8 +43,9 @@ menu "Modbus Example Configuration"
         int "UART TXD pin number"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
         default 23 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6 || IDF_TARGET_ESP32P4
-        default 9 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
-            IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 9 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3
+        default 9 if IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 9 if IDF_TARGET_ESP32C61
         help
             GPIO number for UART TX pin. See UART documentation for more information
             about available pin numbers for UART.
@@ -53,8 +55,9 @@ menu "Modbus Example Configuration"
         range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
         default 20 if IDF_TARGET_ESP32P4
         default 18 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32C6
-        default 10 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3 ||\
-            IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 10 if IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3 || IDF_TARGET_ESP32C3
+        default 10 if IDF_TARGET_ESP32C2 || IDF_TARGET_ESP32H2 || IDF_TARGET_ESP32C5
+        default 10 if IDF_TARGET_ESP32C61
         help
             GPIO number for UART RTS pin. This pin is connected to
             ~RE/DE pin of RS485 transceiver to switch direction.