diff --git a/keyboards/handwired/onekey/stm32f405_weact/board.h b/keyboards/handwired/onekey/stm32f405_weact/board.h
new file mode 100644
index 000000000000..e7f163b8ef22
--- /dev/null
+++ b/keyboards/handwired/onekey/stm32f405_weact/board.h
@@ -0,0 +1,10 @@
+// Copyright 2024 Sergey Vlasov (@sigprof)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+#include_next <board.h>
+
+#undef STM32_HSECLK
+#define STM32_HSECLK 8000000
+
+#define BOARD_OTG2_USES_ULPI
diff --git a/keyboards/handwired/onekey/stm32f405_weact/config.h b/keyboards/handwired/onekey/stm32f405_weact/config.h
new file mode 100644
index 000000000000..9150927b93c7
--- /dev/null
+++ b/keyboards/handwired/onekey/stm32f405_weact/config.h
@@ -0,0 +1,10 @@
+// Copyright 2024 Sergey Vlasov (@sigprof)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+#define ADC_PIN A0
+
+#define SOLENOID_PINS { C6, C7, C8, C9 }
+#define SOLENOID_PINS_ACTIVE_STATE { high, high, low }
+
+#define USB_DRIVER USBD2
diff --git a/keyboards/handwired/onekey/stm32f405_weact/keyboard.json b/keyboards/handwired/onekey/stm32f405_weact/keyboard.json
new file mode 100644
index 000000000000..f2f4f604f087
--- /dev/null
+++ b/keyboards/handwired/onekey/stm32f405_weact/keyboard.json
@@ -0,0 +1,9 @@
+{
+    "keyboard_name": "Onekey WeAct STM32F405 + USB3300",
+    "processor": "STM32F405",
+    "bootloader": "stm32-dfu",
+    "matrix_pins": {
+        "cols": ["A1"],
+        "rows": ["A2"]
+    }
+}
diff --git a/keyboards/handwired/onekey/stm32f405_weact/mcuconf.h b/keyboards/handwired/onekey/stm32f405_weact/mcuconf.h
new file mode 100644
index 000000000000..beb2927a6d2c
--- /dev/null
+++ b/keyboards/handwired/onekey/stm32f405_weact/mcuconf.h
@@ -0,0 +1,17 @@
+// Copyright 2024 Sergey Vlasov (@sigprof)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+#include_next <mcuconf.h>
+
+#undef STM32_PLLM_VALUE
+#define STM32_PLLM_VALUE 8
+
+#undef STM32_USB_USE_OTG1
+#define STM32_USB_USE_OTG1 FALSE
+
+#undef STM32_USB_USE_OTG2
+#define STM32_USB_USE_OTG2 TRUE
+
+#undef STM32_USE_USB_OTG2_HS
+#define STM32_USE_USB_OTG2_HS TRUE
diff --git a/keyboards/handwired/onekey/stm32f405_weact/stm32f405_weact.c b/keyboards/handwired/onekey/stm32f405_weact/stm32f405_weact.c
new file mode 100644
index 000000000000..e094f75e8a18
--- /dev/null
+++ b/keyboards/handwired/onekey/stm32f405_weact/stm32f405_weact.c
@@ -0,0 +1,40 @@
+// Copyright 2024 Sergey Vlasov (@sigprof)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+
+#define ULPI_PIN_MODE (PAL_MODE_ALTERNATE(10) | PAL_STM32_OTYPE_PUSHPULL | PAL_STM32_OSPEED_HIGHEST | PAL_STM32_PUPDR_FLOATING)
+
+#define ULPI_STP_PIN C0
+#define ULPI_DIR_PIN C2
+#define ULPI_NXT_PIN C3
+#define ULPI_CLK_PIN A5
+#define ULPI_D0_PIN A3
+#define ULPI_D1_PIN B0
+#define ULPI_D2_PIN B1
+#define ULPI_D3_PIN B10
+#define ULPI_D4_PIN B11
+#define ULPI_D5_PIN B12
+#define ULPI_D6_PIN B13
+#define ULPI_D7_PIN B5
+
+#define ULPI_RST_PIN A6
+
+void board_init(void) {
+    palSetLineMode(ULPI_STP_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_DIR_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_NXT_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_CLK_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_D0_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_D1_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_D2_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_D3_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_D4_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_D5_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_D6_PIN, ULPI_PIN_MODE);
+    palSetLineMode(ULPI_D7_PIN, ULPI_PIN_MODE);
+
+    gpio_set_pin_output(ULPI_RST_PIN);
+    gpio_write_pin_low(ULPI_RST_PIN);
+}