diff --git a/src/RS485.h b/src/RS485.h
index 050b253..3f9fdff 100644
--- a/src/RS485.h
+++ b/src/RS485.h
@@ -31,6 +31,9 @@
 #ifdef __AVR__
 #define RS485_DEFAULT_DE_PIN 2
 #define RS485_DEFAULT_RE_PIN -1
+#elif ARDUINO_NANO_RP2040_CONNECT
+#define RS485_DEFAULT_DE_PIN A1
+#define RS485_DEFAULT_RE_PIN A0
 #else
 #define RS485_DEFAULT_DE_PIN A6
 #define RS485_DEFAULT_RE_PIN A5