diff --git a/踏频器V2.0.pdf b/踏频器V2.0.pdf
new file mode 100644
index 0000000..04c1fef
--- /dev/null
+++ b/踏频器V2.0.pdf
@@ -0,0 +1,93 @@
+                                                                                                          GND                           V1.8
+
+              C13                                                                                                  C23 100nF
+
+     12pF C12 100nF                       U1                                                                    C24                 10uF                 GND
+                                                                                                          L3 10uH                  L4 15nH       C22
+         C11       X1                  1     DEC1                                                 EP  49  CEN
+GND      12pF      32.76I28CkH1z_SDA   2     P0.00/XL1                                          VDD   48  CBAT                                   1uF
+                                       3     P0.01/XL2                                         DCC    47           100nF
+                         I2C1_CLK      4     P0.02/AIN0                                       DEC4    46        R11   C21                                        C20                     X2                                      C19
+                         INT1          5     P0.03/AIN1                                         VSS   45        47K                                                12pF                  GND                                     12pF
+                         INT2          6     P0.04/AIN2                                               44                      V1.8
+                         NCLED         7     P0.05/AIN3                                           NC  43                                                                GNDGND                 GND
+                         NCSTATE       8     P0.06                                     P0.31/AIN7     42                                                                                 32MHz
+                         PEN           9     P0.07                                     P0.30/AIN6     41                                                                                                                                        GNDC16
+                                      10     P0.08                                     P0.29/AIN5     40                                                              nc
+               V1.8                   11     P0.09/NFC1                                P0.28/AIN4     39                                C18 100pF
+                                      12     P0.10/NFC2                                               38                                   C17 nc
+                                      13     VDD                                              P0.27   37
+        C14                           14     P0.11                                            P0.26   36
+     100nF                            15     P0.12                                            P0.25   35
+                                      16     P0.13                                                    34
+                                      17     P0.14/TRACE3                                       VDD   33                                           1Cp1LF52                              A1
+                                      18     P0.15/TRACE2                                       XC2   32                                                                                 Lvbu_A_ANTW1
+                                      19     P0.16/TRACE1                                       XC1   31
+               GND   AD0              20     P0.17                                            DEC3    30                                           J1 3.9nH
+                     I2C2_SDA         21     P0.18/TRACEDATA[0]/SWO                           DEC2    29
+                     I2C2_CLK         22     P0.19                                              VSS   28                                V1.8 1     VCC                                                                                        U4
+                     CS               23     P0.20/TRACECLK                                     ANT   27                                        2  DIO
+                                      24     P0.21/RESET                                      P0.24   26                                        3  CLK
+                                                                                              P0.23   25                                           GND                                                                            AD0      1  SDO/SA0            SDA   14  I2C2_SDA
+                                                                                              P0.22                                     GND 4                                                                                              2  SDx                SCL   13  I2C2_CLK
+                                                                                            SWDIO                                                                                                                                C9        3  SCx                      12  CS
+                                                                                         SWDCLK                                                                                                                                  10uF      4  INT1                 CS  11
+                                                                                                                                                                                                                                           5  VDDIO       SDO_Aux      10
+                                          NRF52832-QFAA-R                                                                                   SWD4                                                    GND                                    6  GND         OCS_Aux      9
+                                                                                                                                                                                                                                           7  GND                      8
+                                                                                                                                   R12                                                   Q1                                                                     INT2       GND
+                                                                                                                                                                                                                                                                 VDD
+                                                                                                                                   47K                                                         C10
+                                                                                                                                                                                             100nF
+                                                                                                                   GND                                                  R7                                                                    LSM6DSOWTR
+                                                                                                                                                                     C8100k
+                                                                                                                                                                                                                                       SS8550
+                                                                                                                                                                                                                                                                                               GND V1.8
+
+                     GND
+
+                                                                                       V1.8                                                                                       100nF                  GND
+                                                                                                                                                                           V1.8
+                                         U2                                                                                                      C25                                                                                          U3                                         T11   T12
+
+                                      1  GND      VOS   8                                                                                                                                R8                                      I2C1_CLK  1  SCL/SPC                          INT1  12  INT1          C7
+                                      2  VIN        SW  7                                                                                                                                20k                                     I2C1_SDA  2  CS                               INT2  11  INT2       100nF
+        VBAT                          3  MODE           6                  L1                                                                                                          GND                                                 3  SDO/SA0                      VDD_IO    10
+                     C2               4  EN      STOP   5          2.2uH                                  CBAT                                                                                       PEN                                   4  SDA/SDI/SDO                      VDD   9
+        C1           100nF                       VSET                                                                                                                                                                        V1.8          5  RES                              GND   8
+     4.7uF                                                                         C3   C4                                                                                                                                                 6  GND                              GND   7
+                                                                                       100nF
+                                         TPS62840DLCR      R5 R6 10uF                                                                             100nF
+
+                                                           0         0                                                                                   Q2                                                                                   LIS2DH12TR                                            C6 C5
+                                                                                                                                            R10
+                                                                                                                   R9                                                                                                                                                                               10uF 100nF
+
+                                                                                              VBAT
+
+               GND                                                                                                             1M            3M              2N7002                                                              GND
+                                                           GND                                                                          CEN
+
+                                                                                                                                                                                                                                                                                               GND
+
+                     V1.8                        LED1 MHT155GRCT                                                                                                                         Schematic1                                                                                  2024-12-24
+                                                                                                                                                                                                                                                                                     2024-12-12
+                             VIN R3 1k                                                                                                                                                           P1
+
+                                          R2 1k               NCLED
+
+                    100k        U5                         R4 10k
+                         R1
+     T5                      1        CHRG#     PROG    6                                                                                                                                                                                              LVBU_PAS
+               NCSTATE       2        GND     STDBY#    5
+TV9V2BAGTND1   GND           3        BAT               4
+               VBAT                                VCC
+
+T1G0 ND  1     GND              TP4057                                                                                                                                                                                                                                     1                        1
+          V1
+               VIN
+
+         VIN
+
+                                                              GND
+
\ No newline at end of file