diff --git a/keyboards/yandrstudio/whiteMouse28T/config.h b/keyboards/yandrstudio/whiteMouse28T/config.h
index 65f322d4cce9..014c5cf16f86 100644
--- a/keyboards/yandrstudio/whiteMouse28T/config.h
+++ b/keyboards/yandrstudio/whiteMouse28T/config.h
@@ -46,7 +46,7 @@
 //#define MATRIX_HAS_GHOST
 
 /* Set 0 if debouncing isn't needed */
-#define DEBOUNCE 5
+#define DEBOUNCE 3
 
 
 
diff --git a/keyboards/yandrstudio/whiteMouse28T/f401/config.h b/keyboards/yandrstudio/whiteMouse28T/f401/config.h
index d4a4a9d63228..b78ef8400074 100644
--- a/keyboards/yandrstudio/whiteMouse28T/f401/config.h
+++ b/keyboards/yandrstudio/whiteMouse28T/f401/config.h
@@ -84,13 +84,13 @@
 #endif
 
 
-#define SERIAL_DRIVER SD1
-#define SD1_TX_PIN A9
-#define SD1_TX_PAL_MODE 7
-#define SD1_RX_PIN A10
-#define SD1_RX_PAL_MODE 7
+// #define SERIAL_DRIVER SD1
+// #define SD1_TX_PIN A9
+// #define SD1_TX_PAL_MODE 7
+// #define SD1_RX_PIN A10
+// #define SD1_RX_PAL_MODE 7
 
 
-#define ADC_RESOLUTION ADC_CFGR1_RES_12BIT
+// #define ADC_RESOLUTION ADC_CFGR1_RES_12BIT
 
 
diff --git a/keyboards/yandrstudio/whiteMouse28T/f401/halconf.h b/keyboards/yandrstudio/whiteMouse28T/f401/halconf.h
index 1887845f4a8f..cbf35f4b87f9 100644
--- a/keyboards/yandrstudio/whiteMouse28T/f401/halconf.h
+++ b/keyboards/yandrstudio/whiteMouse28T/f401/halconf.h
@@ -27,8 +27,8 @@
 #undef HAL_USE_SPI
 #define HAL_USE_SPI    FALSE
 
-#undef HAL_USE_ADC
-#define HAL_USE_ADC    TRUE
+// #undef HAL_USE_ADC
+// #define HAL_USE_ADC    TRUE
 
 
 #undef  SERIAL_USB_BUFFERS_SIZE
diff --git a/keyboards/yandrstudio/whiteMouse28T/f401/mcuconf.h b/keyboards/yandrstudio/whiteMouse28T/f401/mcuconf.h
index a12c489dd75c..b4994a11ce04 100644
--- a/keyboards/yandrstudio/whiteMouse28T/f401/mcuconf.h
+++ b/keyboards/yandrstudio/whiteMouse28T/f401/mcuconf.h
@@ -28,8 +28,8 @@
 #define STM32_SERIAL_USE_USART1 TRUE
 
 
-#undef  STM32_ADC_USE_ADC1
-#define STM32_ADC_USE_ADC1                  TRUE
+// #undef  STM32_ADC_USE_ADC1
+// #define STM32_ADC_USE_ADC1                  TRUE
 
 #undef STM32_NO_INIT
 #undef STM32_HSI_ENABLED
diff --git a/keyboards/yandrstudio/whiteMouse28T/f401/rules.mk b/keyboards/yandrstudio/whiteMouse28T/f401/rules.mk
index fa028e805a42..f53c722fc8c7 100644
--- a/keyboards/yandrstudio/whiteMouse28T/f401/rules.mk
+++ b/keyboards/yandrstudio/whiteMouse28T/f401/rules.mk
@@ -23,5 +23,3 @@ SRC += eep/eeprom_stm32.c
 SRC += eep/flash_stm32.c
 OPT_DEFS += -DEEPROM_EMU_STM32F401xC
 COMMON_VPATH += keyboards/yandrstudio/whiteMouse28T/f401/eep
-
-SRC += analog.c
diff --git a/keyboards/yandrstudio/whiteMouse28T/keymaps/uartAdc/rules.mk b/keyboards/yandrstudio/whiteMouse28T/keymaps/uartAdc/rules.mk
index 94cba27f75f6..ee039e1d0800 100644
--- a/keyboards/yandrstudio/whiteMouse28T/keymaps/uartAdc/rules.mk
+++ b/keyboards/yandrstudio/whiteMouse28T/keymaps/uartAdc/rules.mk
@@ -1,3 +1,5 @@
 VIA_ENABLE = yes
 
+SRC += analog.c
+
 QUANTUM_LIB_SRC += uart.c
diff --git a/keyboards/yandrstudio/whiteMouse28T/keymaps/usbState/keymap.c b/keyboards/yandrstudio/whiteMouse28T/keymaps/usbState/keymap.c
new file mode 100644
index 000000000000..84e6721bf2f4
--- /dev/null
+++ b/keyboards/yandrstudio/whiteMouse28T/keymaps/usbState/keymap.c
@@ -0,0 +1,62 @@
+/* Copyright 2021 JasonRen(biu)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include QMK_KEYBOARD_H
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    LAYOUT(
+    KC_ESC,  KC_1,    KC_2,       KC_3,    KC_4,    KC_5,    KC_6,
+    KC_TAB,  KC_Q,    KC_W,       KC_E,    KC_R,    KC_T,    KC_Y,
+    KC_CAPS, KC_A,    KC_S,       KC_D,    KC_F,    KC_G,    KC_H,
+    RGB_TOG, KC_Z,    KC_X,       KC_C,    KC_V,    MO(1),    KC_RSFT),
+    LAYOUT(
+    KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+    KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+    KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
+    KC_TRNS, KC_TRNS, KC_TRNS,    KC_SPACE,KC_TRNS, KC_TRNS, KC_TRNS)
+};
+
+
+void keyboard_post_init_user(void) {
+//     eeconfig_init();
+    uart_init(115200);
+  debug_enable=true;
+//   debug_matrix=true;
+  debug_keyboard=true;
+//     //debug_mouse=true;
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+    if (record->event.pressed) {
+        uart_putchar(0xff);
+        uart_putchar(keycode >> 8);
+        uart_putchar(keycode & 0xff);
+        uart_putchar(0xfe);
+        uprintf("KL: kc: 0x%04X, col: %u, row: %u, pressed: %b, time: %u, interrupt: %b, count: %u\n", keycode, record->event.key.col, record->event.key.row, record->event.pressed, record->event.time, record->tap.interrupted, record->tap.count);
+    }
+    return true;
+    // switch (keycode) {
+    //     case KC_N:
+    //         if (record->event.pressed) {
+    //             uart_putchar('#');
+    //         } else {
+    //             // Do something else when release
+    //         }
+    //         return false;  // Skip all further processing of this key
+    //     default:
+    //         return true;  // Process all other keycodes normally
+    // }
+}
diff --git a/keyboards/yandrstudio/whiteMouse28T/keymaps/usbState/rules.mk b/keyboards/yandrstudio/whiteMouse28T/keymaps/usbState/rules.mk
new file mode 100644
index 000000000000..94cba27f75f6
--- /dev/null
+++ b/keyboards/yandrstudio/whiteMouse28T/keymaps/usbState/rules.mk
@@ -0,0 +1,3 @@
+VIA_ENABLE = yes
+
+QUANTUM_LIB_SRC += uart.c