diff --git a/platformio.ini b/platformio.ini
index 4df525c..ba8456d 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -175,3 +175,16 @@ build_flags = ${env.build_flags}
     -DHOYMILES_PIN_CS=10
     -DHOYMILES_PIN_IRQ=4
     -DHOYMILES_PIN_CE=5
+
+
+[env:opendtufusionv1]
+board = esp32-s3-devkitc-1
+upload_protocol = esp-builtin
+build_flags = ${env.build_flags}
+    -DHOYMILES_PIN_MISO=48
+    -DHOYMILES_PIN_MOSI=35
+    -DHOYMILES_PIN_SCLK=36
+    -DHOYMILES_PIN_IRQ=47
+    -DHOYMILES_PIN_CE=38
+    -DHOYMILES_PIN_CS=37
+    -DARDUINO_USB_MODE=1