diff --git a/docs/modules/mainboard.md b/docs/modules/mainboard.md
index ace308b..b99badc 100644
--- a/docs/modules/mainboard.md
+++ b/docs/modules/mainboard.md
@@ -8,6 +8,10 @@ icon: material/chip
     ![Mainboard 3D](images/mainboard-3d.png){ width=300 }
 </figure>
 
-## Hardware Specifications
+## Specifications
+
+- [ESP32-S3-WROOM-1-N8](https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf) (8 MB Flash)
+- USB-C with CP2102N USB to UART bridge
+- 44 GPIO pins compatible with [DevKitC-1 pin layout](https://docs.espressif.com/projects/esp-dev-kits/en/latest/esp32s3/esp32-s3-devkitc-1/user_guide.html#pin-layout)
 
 ## Pinout