diff --git a/libs/kaptan-stm32f7/src/stm32f722/mod.rs b/libs/kaptan-stm32f7/src/stm32f722/mod.rs
new file mode 100644
index 0000000..bb2ef04
--- /dev/null
+++ b/libs/kaptan-stm32f7/src/stm32f722/mod.rs
@@ -0,0 +1,25 @@
+//! STM32F722 peripheral implementations selected by supported boards.
+//!
+//! This module exports only typed peripheral building blocks. A board selects
+//! pins, clocks, interrupt priorities, and static ownership.
+
+mod clock;
+mod dma_buffer;
+mod gpio;
+mod spi1;
+mod tim2;
+mod time;
+mod usart;
+mod usart1_tx_dma2_stream7;
+
+pub use clock::{ClockProfileError, select_hsi16_profile};
+pub use dma_buffer::DcacheDisabledDmaMemory;
+pub use gpio::{
+    ActiveLowLedPd2, configure_exti4_pin_pa4, configure_spi1_pins_pa5_pa6_pa7,
+    configure_usart1_tx_pin_pa9,
+};
+pub use spi1::{Spi1, Spi1Error};
+pub use tim2::{Tim2Periodic, Tim2PeriodicConfig};
+pub use time::{DwtClockStartError, DwtMicrosecondClock};
+pub use usart::{BaudRateError, Usart1Tx};
+pub use usart1_tx_dma2_stream7::{StartError, Usart1TxDma};