diff --git a/asupply.kicad_sch b/asupply.kicad_sch
index c96ec66..e91f79a 100644
--- a/asupply.kicad_sch
+++ b/asupply.kicad_sch
@@ -4,6 +4,14 @@
 
   (paper "A3")
 
+  (title_block
+    (title "Kirdy")
+    (date "2022-07-03")
+    (rev "r0.1")
+    (company "M-Labs")
+    (comment 1 "Alex Wong Tat Hang")
+  )
+
   (lib_symbols
     (symbol "Device:C" (pin_numbers hide) (pin_names (offset 0.254)) (in_bom yes) (on_board yes)
       (property "Reference" "C" (id 0) (at 0.635 2.54 0)
diff --git a/driveStage.kicad_sch b/driveStage.kicad_sch
index 8fe304d..0f06a97 100644
--- a/driveStage.kicad_sch
+++ b/driveStage.kicad_sch
@@ -4,6 +4,14 @@
 
   (paper "A3")
 
+  (title_block
+    (title "Kirdy")
+    (date "2022-07-03")
+    (rev "r0.1")
+    (company "M-Labs")
+    (comment 1 "Alex Wong Tat Hang")
+  )
+
   (lib_symbols
     (symbol "Amplifier_Operational:ADA4898-1YRDZ" (pin_names (offset 0.127)) (in_bom yes) (on_board yes)
       (property "Reference" "U" (id 0) (at 3.81 3.81 0)
diff --git a/dsupply.kicad_sch b/dsupply.kicad_sch
index 3da3945..dfc90f2 100644
--- a/dsupply.kicad_sch
+++ b/dsupply.kicad_sch
@@ -1,9 +1,17 @@
 (kicad_sch (version 20211123) (generator eeschema)
 
-  (uuid 3cc083c4-1cdf-43d5-8a41-a9446372ccd8)
+  (uuid 57f36487-8397-4532-bfa7-1cf60c82a91f)
 
   (paper "A3")
 
+  (title_block
+    (title "Kirdy")
+    (date "2022-07-03")
+    (rev "r0.1")
+    (company "M-Labs")
+    (comment 1 "Alex Wong Tat Hang")
+  )
+
   (lib_symbols
     (symbol "Connector:Barrel_Jack" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
       (property "Reference" "J" (id 0) (at 0 5.334 0)
diff --git a/eth.kicad_sch b/eth.kicad_sch
index 0b23326..cdf61bd 100644
--- a/eth.kicad_sch
+++ b/eth.kicad_sch
@@ -1,9 +1,17 @@
 (kicad_sch (version 20211123) (generator eeschema)
 
-  (uuid 8460278c-da4f-4113-bc21-ab593e2a565e)
+  (uuid 6bb0e69a-93b7-4ebd-aef5-e8998694a97e)
 
   (paper "A3")
 
+  (title_block
+    (title "Kirdy")
+    (date "2022-07-03")
+    (rev "r0.1")
+    (company "M-Labs")
+    (comment 1 "Alex Wong Tat Hang")
+  )
+
   (lib_symbols
     (symbol "Connector:RJ45_Abracon_ARJP11A-MASA-B-A-EMU2" (pin_names (offset 1.016) hide) (in_bom yes) (on_board yes)
       (property "Reference" "J" (id 0) (at 0 -38.1 0)
diff --git a/kirdy.kicad_pro b/kirdy.kicad_pro
index 35d740c..56bafd0 100644
--- a/kirdy.kicad_pro
+++ b/kirdy.kicad_pro
@@ -344,6 +344,10 @@
     [
       "0dd24396-d186-4488-abd9-8b249dfb8a49",
       "Ehternet"
+    ],
+    [
+      "70187dee-b8b1-417f-999f-47b1dfda0f58",
+      "USB"
     ]
   ],
   "text_variables": {}
diff --git a/kirdy.kicad_sch b/kirdy.kicad_sch
index 560bfb3..788b9d9 100644
--- a/kirdy.kicad_sch
+++ b/kirdy.kicad_sch
@@ -4,270 +4,290 @@
 
   (paper "A3")
 
+  (title_block
+    (title "Kirdy")
+    (date "2022-07-03")
+    (rev "r0.1")
+    (company "M-Labs")
+    (comment 1 "Alex Wong Tat Hang")
+  )
+
   (lib_symbols
   )
 
 
-  (sheet (at 73.66 127) (size 31.75 43.18) (fields_autoplaced)
+  (sheet (at 95.25 100.33) (size 31.75 43.18) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid 0dd24396-d186-4488-abd9-8b249dfb8a49)
-    (property "Sheet name" "Ehternet" (id 0) (at 73.66 126.2884 0)
+    (property "Sheet name" "Ehternet" (id 0) (at 95.25 99.6184 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "eth.kicad_sch" (id 1) (at 73.66 170.7646 0)
+    (property "Sheet file" "eth.kicad_sch" (id 1) (at 95.25 144.0946 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
-    (pin "RMII_REF_CLK" output (at 105.41 134.62 0)
+    (pin "RMII_REF_CLK" output (at 127 107.95 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 5d5de643-d85f-4f63-9463-be3b8af4c9b8)
     )
-    (pin "RMII_MDIO" bidirectional (at 105.41 160.02 0)
+    (pin "RMII_MDIO" bidirectional (at 127 133.35 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 194e4489-3716-43a1-9d77-e1ebae96d290)
     )
-    (pin "PHY_NRST" input (at 105.41 137.16 0)
+    (pin "PHY_NRST" input (at 127 110.49 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 006c9a0b-7589-4a2d-93bb-a9557b50d3d8)
     )
-    (pin "RMII_MDC" input (at 105.41 162.56 0)
+    (pin "RMII_MDC" input (at 127 135.89 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid e805e9be-5d72-4fcc-8ed5-d3956449db87)
     )
-    (pin "RMII_CRS_DV" output (at 105.41 140.97 0)
+    (pin "RMII_CRS_DV" output (at 127 114.3 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid e6139230-00db-4ae6-a8b4-7257428e3aa8)
     )
-    (pin "RMII_TX_EN" input (at 105.41 144.78 0)
+    (pin "RMII_TX_EN" input (at 127 118.11 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 5cfff4c2-ae31-49c2-a28a-0ba925f89108)
     )
-    (pin "RMII_TXD0" input (at 105.41 147.32 0)
+    (pin "RMII_TXD0" input (at 127 120.65 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid d5f5c63e-1b8c-462d-8bb4-f3c44e3c02ed)
     )
-    (pin "RMII_TXD1" input (at 105.41 149.86 0)
+    (pin "RMII_TXD1" input (at 127 123.19 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid cd56695f-aa98-406c-bde8-bd3f20f3f2d7)
     )
-    (pin "RMII_RXD0" output (at 105.41 153.67 0)
+    (pin "RMII_RXD0" output (at 127 127 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 9fe93869-d63a-422e-83f1-289d21c33cdd)
     )
-    (pin "RMII_RXD1" output (at 105.41 156.21 0)
+    (pin "RMII_RXD1" output (at 127 129.54 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 532cdd3b-0514-4fd4-b5f6-1714cbcb31c0)
     )
-    (pin "POE_VC-" output (at 73.66 134.62 180)
+    (pin "POE_VC-" output (at 95.25 107.95 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid a6e85ae6-7c0e-4093-a8b7-685b2aaf0c65)
     )
-    (pin "POE_VC+" output (at 73.66 137.16 180)
+    (pin "POE_VC+" output (at 95.25 110.49 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid cde78305-5c88-4552-8497-b59ff426cca4)
     )
   )
 
-  (sheet (at 279.4 110.49) (size 31.75 30.48) (fields_autoplaced)
+  (sheet (at 95.25 153.67) (size 31.75 48.26) (fields_autoplaced)
+    (stroke (width 0.1524) (type solid) (color 0 0 0 0))
+    (fill (color 0 0 0 0.0000))
+    (uuid 70187dee-b8b1-417f-999f-47b1dfda0f58)
+    (property "Sheet name" "USB" (id 0) (at 95.25 152.9584 0)
+      (effects (font (size 1.27 1.27)) (justify left bottom))
+    )
+    (property "Sheet file" "usb.kicad_sch" (id 1) (at 95.25 202.5146 0)
+      (effects (font (size 1.27 1.27)) (justify left top))
+    )
+  )
+
+  (sheet (at 300.99 109.22) (size 31.75 30.48) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid 7fc2620b-bac4-49c0-a276-7d2a46898037)
-    (property "Sheet name" "driveStage" (id 0) (at 279.4 109.7784 0)
+    (property "Sheet name" "driveStage" (id 0) (at 300.99 108.5084 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "driveStage.kicad_sch" (id 1) (at 279.4 141.5546 0)
+    (property "Sheet file" "driveStage.kicad_sch" (id 1) (at 300.99 140.2846 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
-    (pin "LD-" output (at 311.15 118.11 0)
+    (pin "LD-" output (at 332.74 116.84 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid fc96da0a-0509-4679-9f0d-7a762bf74c08)
     )
-    (pin "LD+" output (at 311.15 115.57 0)
+    (pin "LD+" output (at 332.74 114.3 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 92b3b5a8-723b-4293-bb28-e7f82af19de7)
     )
-    (pin "REF_OUT" output (at 279.4 135.89 180)
+    (pin "REF_OUT" output (at 300.99 134.62 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 15f51e72-eb2f-44e8-9d1c-defe3445e987)
     )
-    (pin "SCLK" input (at 279.4 115.57 180)
+    (pin "SCLK" input (at 300.99 114.3 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 511c0d0f-c15b-430e-953c-4ab46b6cd83e)
     )
-    (pin "DIN" input (at 279.4 120.65 180)
+    (pin "DIN" input (at 300.99 119.38 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid d747213b-80f1-4f79-a3c6-535b48b6fe3a)
     )
-    (pin "~{LDAC}" input (at 279.4 118.11 180)
+    (pin "~{LDAC}" input (at 300.99 116.84 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 08f68902-4a0e-4a9c-951d-a58e8f86ae5b)
     )
-    (pin "~{CS}" input (at 279.4 123.19 180)
+    (pin "~{CS}" input (at 300.99 121.92 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 0a6854da-70b2-40f8-949c-8967f095d555)
     )
-    (pin "PD_A" input (at 311.15 130.81 0)
+    (pin "PD_A" input (at 332.74 129.54 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 6cc7ff7b-6e68-4e3d-8512-e7a730b5b8cf)
     )
-    (pin "PD_C" input (at 311.15 128.27 0)
+    (pin "PD_C" input (at 332.74 127 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 6afcaaed-c30a-4575-92d7-a9f012656d00)
     )
-    (pin "PD_BIAS" input (at 279.4 128.27 180)
+    (pin "PD_BIAS" input (at 300.99 127 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 13f4adda-85ae-4a5a-aa2b-515000dbfd28)
     )
-    (pin "PD_MON" output (at 279.4 130.81 180)
+    (pin "PD_MON" output (at 300.99 129.54 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 115470ce-4f92-4857-9f30-9a6ee37e9ce4)
     )
   )
 
-  (sheet (at 73.66 100.33) (size 31.75 16.51) (fields_autoplaced)
+  (sheet (at 95.25 73.66) (size 31.75 16.51) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid b6f53a06-e1b9-4c20-8fc0-ae2d1ce0191d)
-    (property "Sheet name" "digital supply" (id 0) (at 73.66 99.6184 0)
+    (property "Sheet name" "digital supply" (id 0) (at 95.25 72.9484 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "dsupply.kicad_sch" (id 1) (at 73.66 117.4246 0)
+    (property "Sheet file" "dsupply.kicad_sch" (id 1) (at 95.25 90.7546 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
-    (pin "POE_VC-" input (at 73.66 109.22 180)
+    (pin "POE_VC-" input (at 95.25 82.55 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid cb25b0e4-5cc2-47ac-b934-aa6c43ec55ff)
     )
-    (pin "MCU_~{RST}" input (at 105.41 111.76 0)
+    (pin "MCU_~{RST}" input (at 127 85.09 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 0e5359d1-5852-40c4-a772-cd9dc28c9b50)
     )
-    (pin "POE_VC+" input (at 73.66 106.68 180)
+    (pin "POE_VC+" input (at 95.25 80.01 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 29f2d44f-bfc6-4f53-910b-02a906c6facd)
     )
-    (pin "POE_PWR_SRC" output (at 105.41 109.22 0)
+    (pin "POE_PWR_SRC" output (at 127 82.55 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid b28a02a3-d6ed-47f9-a3d5-006e75b4d2d7)
     )
-    (pin "AT_EVENT" output (at 105.41 106.68 0)
+    (pin "AT_EVENT" output (at 127 80.01 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid b22404c8-5c74-42ed-9c3d-7c7824a0815a)
     )
   )
 
-  (sheet (at 279.4 149.86) (size 31.75 55.88) (fields_autoplaced)
+  (sheet (at 300.99 148.59) (size 31.75 55.88) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid bda728c0-b189-4e05-8d4f-58a38acf883b)
-    (property "Sheet name" "thermostat" (id 0) (at 279.4 149.1484 0)
+    (property "Sheet name" "thermostat" (id 0) (at 300.99 147.8784 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "thermostat.kicad_sch" (id 1) (at 279.4 206.3246 0)
+    (property "Sheet file" "thermostat.kicad_sch" (id 1) (at 300.99 205.0546 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
-    (pin "TEC-" output (at 311.15 157.48 0)
+    (pin "TEC-" output (at 332.74 156.21 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 458d0c2c-493a-4d05-a562-03314ffb3c65)
     )
-    (pin "TEC+" output (at 311.15 154.94 0)
+    (pin "TEC+" output (at 332.74 153.67 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 44ef3896-edfb-4a77-a773-5b75da6c8f8d)
     )
-    (pin "NTC-" passive (at 311.15 167.64 0)
+    (pin "NTC-" passive (at 332.74 166.37 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 0cbedbfa-13d5-4f49-b223-5533e7c6a9c1)
     )
-    (pin "NTC+" passive (at 311.15 165.1 0)
+    (pin "NTC+" passive (at 332.74 163.83 0)
       (effects (font (size 1.27 1.27)) (justify right))
       (uuid 6a1acaaa-3f89-40bd-9670-1fd08ed9a1ac)
     )
-    (pin "DAC_~{SYNC}" input (at 279.4 187.96 180)
+    (pin "DAC_~{SYNC}" input (at 300.99 186.69 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 9567285b-866a-4af0-9c53-5ac01c935da6)
     )
-    (pin "DAC_SCLK" input (at 279.4 185.42 180)
+    (pin "DAC_SCLK" input (at 300.99 184.15 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid efee9ca9-c73b-4e9f-a35c-cfa81fba1bb5)
     )
-    (pin "DAC_DIN" input (at 279.4 182.88 180)
+    (pin "DAC_DIN" input (at 300.99 181.61 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 3b1db47a-5675-470d-be59-a40a34f24b9b)
     )
-    (pin "PWM_MAXV" input (at 279.4 175.26 180)
+    (pin "PWM_MAXV" input (at 300.99 173.99 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid c0816aa2-1f9c-49da-b94f-84c84ca21299)
     )
-    (pin "ADC_SCLK" input (at 279.4 154.94 180)
+    (pin "ADC_SCLK" input (at 300.99 153.67 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid cae79427-1169-4daf-bccc-57ab627b8bed)
     )
-    (pin "ADC_DIN" input (at 279.4 157.48 180)
+    (pin "ADC_DIN" input (at 300.99 156.21 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 55108a6c-a1fe-45cf-894a-c7d07d7163b4)
     )
-    (pin "ADC_DOUT_~{RDY}" output (at 279.4 160.02 180)
+    (pin "ADC_DOUT_~{RDY}" output (at 300.99 158.75 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid bb87603c-577a-47bc-9ba4-8f74fe594b51)
     )
-    (pin "ADC_~{CS}" input (at 279.4 162.56 180)
+    (pin "ADC_~{CS}" input (at 300.99 161.29 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 086d4975-b317-43a5-a216-b692e3e13cc4)
     )
-    (pin "ADC_~{SYNC}" input (at 279.4 165.1 180)
+    (pin "ADC_~{SYNC}" input (at 300.99 163.83 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid b7b43a60-41ad-472f-a7ea-1379d877667f)
     )
-    (pin "ADC_CLKIO" bidirectional (at 279.4 167.64 180)
+    (pin "ADC_CLKIO" bidirectional (at 300.99 166.37 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 224db591-ceda-4a4d-8a37-9d7f9eb0801c)
     )
-    (pin "PWM_MAXIN" input (at 279.4 172.72 180)
+    (pin "PWM_MAXIN" input (at 300.99 171.45 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 792e7533-83cb-45f6-b1dc-f7603031aaa3)
     )
-    (pin "PWM_MAXIP" input (at 279.4 177.8 180)
+    (pin "PWM_MAXIP" input (at 300.99 176.53 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 89ea18bd-7c36-43da-87dd-ae8f2704fdba)
     )
-    (pin "TEC_~{SHDN}" input (at 279.4 193.04 180)
+    (pin "TEC_~{SHDN}" input (at 300.99 191.77 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 95032dae-0327-43ca-9d8c-d8569dd130cd)
     )
-    (pin "TEC_ISEN" output (at 279.4 198.12 180)
+    (pin "TEC_ISEN" output (at 300.99 196.85 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid d5264f96-6549-42c4-b144-cdc011b6c111)
     )
-    (pin "TEC_VREF" output (at 279.4 195.58 180)
+    (pin "TEC_VREF" output (at 300.99 194.31 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid a8f2fa34-9ddb-4d44-8e4d-b837772b4270)
     )
-    (pin "TEC_VSEN" output (at 279.4 200.66 180)
+    (pin "TEC_VSEN" output (at 300.99 199.39 180)
       (effects (font (size 1.27 1.27)) (justify left))
       (uuid 5356a9e2-f9e1-40b1-ad6c-8eb54cb63d27)
     )
   )
 
-  (sheet (at 279.4 71.12) (size 31.75 31.75) (fields_autoplaced)
+  (sheet (at 300.99 69.85) (size 31.75 31.75) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid ce1698cd-b99b-406e-8c10-58c1e24b12e9)
-    (property "Sheet name" "analog supply" (id 0) (at 279.4 70.4084 0)
+    (property "Sheet name" "analog supply" (id 0) (at 300.99 69.1384 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "asupply.kicad_sch" (id 1) (at 279.4 103.4546 0)
+    (property "Sheet file" "asupply.kicad_sch" (id 1) (at 300.99 102.1846 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
   )
 
-  (sheet (at 154.94 115.57) (size 58.42 41.91) (fields_autoplaced)
+  (sheet (at 176.53 114.3) (size 58.42 41.91) (fields_autoplaced)
     (stroke (width 0.1524) (type solid) (color 0 0 0 0))
     (fill (color 0 0 0 0.0000))
     (uuid e9afb2cc-7f7f-4cb9-888a-0bfd71b1d070)
-    (property "Sheet name" "MCU" (id 0) (at 154.94 114.8584 0)
+    (property "Sheet name" "MCU" (id 0) (at 176.53 113.5884 0)
       (effects (font (size 1.27 1.27)) (justify left bottom))
     )
-    (property "Sheet file" "mcu.kicad_sch" (id 1) (at 154.94 158.0646 0)
+    (property "Sheet file" "mcu.kicad_sch" (id 1) (at 176.53 156.7946 0)
       (effects (font (size 1.27 1.27)) (justify left top))
     )
   )
@@ -280,9 +300,16 @@
     (path "/bda728c0-b189-4e05-8d4f-58a38acf883b" (page "5"))
     (path "/b6f53a06-e1b9-4c20-8fc0-ae2d1ce0191d" (page "6"))
     (path "/0dd24396-d186-4488-abd9-8b249dfb8a49" (page "7"))
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58" (page "8"))
   )
 
   (symbol_instances
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/01044637-9d5e-4a8a-ab4b-d4fa9ef838ef"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/04bf027e-07c6-4d66-bf87-6be369be3d80"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
     (path "/bda728c0-b189-4e05-8d4f-58a38acf883b/0605de16-0974-4591-a6e7-2cccfdf600cc"
       (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
@@ -301,6 +328,9 @@
     (path "/0dd24396-d186-4488-abd9-8b249dfb8a49/12c37125-f2d0-47e4-be8d-17d5a00ab38e"
       (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/13d361c4-d94a-49e7-bf47-b8a18ff01485"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
     (path "/bda728c0-b189-4e05-8d4f-58a38acf883b/15294148-3cc1-4059-821b-ab28c353ac20"
       (reference "#PWR?") (unit 1) (value "+3.3VA") (footprint "")
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@@ -637,6 +667,9 @@
     (path "/b6f53a06-e1b9-4c20-8fc0-ae2d1ce0191d/e4cbaede-cfaf-4f18-a5a7-7fe747c3703e"
       (reference "#PWR?") (unit 1) (value "+12V") (footprint "")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/e722e9b9-6c05-4b84-b3a5-7c800cd6893d"
+      (reference "#PWR?") (unit 1) (value "GND") (footprint "")
+    )
     (path "/ce1698cd-b99b-406e-8c10-58c1e24b12e9/ea9b6e41-7f82-4dc2-9654-dd3547aa6e95"
       (reference "#PWR?") (unit 1) (value "GND") (footprint "")
     )
@@ -1198,6 +1231,9 @@
     (path "/ce1698cd-b99b-406e-8c10-58c1e24b12e9/5edfea1a-a3a1-44c3-bc49-214417c90b98"
       (reference "FB?") (unit 1) (value "1K@100MHz") (footprint "")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/902c355a-3101-4ebc-b8c5-69c823fc226d"
+      (reference "FB?") (unit 1) (value "1K@100MHz") (footprint "")
+    )
     (path "/ce1698cd-b99b-406e-8c10-58c1e24b12e9/94c79cfc-bb42-4d50-8d6c-a72be8dddbd6"
       (reference "FB?") (unit 1) (value "1K@100MHz") (footprint "")
     )
@@ -1213,6 +1249,9 @@
     (path "/0dd24396-d186-4488-abd9-8b249dfb8a49/ef0f6485-095a-441e-9d0b-78165d72dd26"
       (reference "FB?") (unit 1) (value "1K@100MHz") (footprint "")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/a32d73d9-5c24-4b5d-b1fa-9779f9278ac4"
+      (reference "FL?") (unit 1) (value "90R@100MHz") (footprint "")
+    )
     (path "/bda728c0-b189-4e05-8d4f-58a38acf883b/b31815cc-6d80-43d7-aa80-8f2cba5ff682"
       (reference "FL?") (unit 1) (value "5A") (footprint "")
     )
@@ -1222,6 +1261,9 @@
     (path "/7fc2620b-bac4-49c0-a276-7d2a46898037/1bdb312d-fc24-4d7d-a4f8-bca2f744ab31"
       (reference "J?") (unit 1) (value "DNP") (footprint "")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/2b48c9e6-20b1-4f1c-8fa0-c2820cc38b7f"
+      (reference "J?") (unit 1) (value "USB_C_Receptacle_USB2.0") (footprint "")
+    )
     (path "/0dd24396-d186-4488-abd9-8b249dfb8a49/85cf0853-2aac-4d46-bff8-ac361b4ef0cf"
       (reference "J?") (unit 1) (value "RJ45_Abracon_ARJP11A-MASA-B-A-EMU2") (footprint "Connector_RJ:RJ45_Abracon_ARJP11A-MA_Horizontal")
     )
@@ -1360,6 +1402,9 @@
     (path "/0dd24396-d186-4488-abd9-8b249dfb8a49/457d4e9b-85ec-4937-abc0-45337a75727e"
       (reference "R?") (unit 1) (value "33") (footprint "")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/45810d4c-1169-4e4a-936b-579d8d689756"
+      (reference "R?") (unit 1) (value "5k1") (footprint "")
+    )
     (path "/bda728c0-b189-4e05-8d4f-58a38acf883b/45db473a-56b4-4b6e-b3ce-f172faf6ebfb"
       (reference "R?") (unit 1) (value "10k") (footprint "")
     )
@@ -1372,6 +1417,9 @@
     (path "/7fc2620b-bac4-49c0-a276-7d2a46898037/4f339c66-c682-43a9-8f4e-7ad41804bdc2"
       (reference "R?") (unit 1) (value "300") (footprint "")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/56f15558-b301-429c-a163-a763655c9e0d"
+      (reference "R?") (unit 1) (value "10k") (footprint "")
+    )
     (path "/b6f53a06-e1b9-4c20-8fc0-ae2d1ce0191d/57bfbf05-3897-4510-aa41-dffd5bbdb99e"
       (reference "R?") (unit 1) (value "52k3") (footprint "")
     )
@@ -1450,15 +1498,27 @@
     (path "/bda728c0-b189-4e05-8d4f-58a38acf883b/a4418b7a-65be-4356-ab11-4a0fa489dbf8"
       (reference "R?") (unit 1) (value "10k") (footprint "")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/a5c5bfc5-a487-4a16-a974-6b6a392cca6b"
+      (reference "R?") (unit 1) (value "5k1") (footprint "")
+    )
     (path "/0dd24396-d186-4488-abd9-8b249dfb8a49/a748aa36-8a81-4630-a1c8-5f793ddb3322"
       (reference "R?") (unit 1) (value "10k") (footprint "")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/ab7e9ab3-d78a-4f96-961b-2b8dab26308b"
+      (reference "R?") (unit 1) (value "5k1") (footprint "")
+    )
     (path "/7fc2620b-bac4-49c0-a276-7d2a46898037/affb61ec-84ab-440d-a648-f96126f479ed"
       (reference "R?") (unit 1) (value "100") (footprint "")
     )
     (path "/7fc2620b-bac4-49c0-a276-7d2a46898037/b3c70cb7-9c59-476f-852d-2641f246969d"
       (reference "R?") (unit 1) (value "50") (footprint "")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/b4065819-99ee-4586-8c66-bf99983a3174"
+      (reference "R?") (unit 1) (value "10k") (footprint "")
+    )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/b42866cc-e426-426f-8054-194cee81b1c7"
+      (reference "R?") (unit 1) (value "10k") (footprint "")
+    )
     (path "/b6f53a06-e1b9-4c20-8fc0-ae2d1ce0191d/b4a7edc1-60f4-4bbe-a230-517ac155df4f"
       (reference "R?") (unit 1) (value "82k") (footprint "")
     )
@@ -1546,6 +1606,9 @@
     (path "/b6f53a06-e1b9-4c20-8fc0-ae2d1ce0191d/5d99e086-683a-4196-8dba-d4c7e93cadcd"
       (reference "U?") (unit 1) (value "AG5300") (footprint "kirdy:AG5300")
     )
+    (path "/70187dee-b8b1-417f-999f-47b1dfda0f58/625b38ad-95f3-4340-843c-06983da198f4"
+      (reference "U?") (unit 1) (value "USBLC6-4SC6") (footprint "Package_TO_SOT_SMD:SOT-23-6")
+    )
     (path "/0dd24396-d186-4488-abd9-8b249dfb8a49/6f01fd47-33e9-4eb4-ac23-6e1ae0eefd82"
       (reference "U?") (unit 1) (value "LAN8742A") (footprint "Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm")
     )
diff --git a/mcu.kicad_sch b/mcu.kicad_sch
index 75ea562..a53789b 100644
--- a/mcu.kicad_sch
+++ b/mcu.kicad_sch
@@ -4,6 +4,14 @@
 
   (paper "A3")
 
+  (title_block
+    (title "Kirdy")
+    (date "2022-07-03")
+    (rev "r0.1")
+    (company "M-Labs")
+    (comment 1 "Alex Wong Tat Hang")
+  )
+
   (lib_symbols
     (symbol "MCU_ST_STM32F4:STM32F429ZGTx" (in_bom yes) (on_board yes)
       (property "Reference" "U" (id 0) (at -25.4 87.63 0)
diff --git a/thermostat.kicad_sch b/thermostat.kicad_sch
index 96a856a..13fde78 100644
--- a/thermostat.kicad_sch
+++ b/thermostat.kicad_sch
@@ -4,6 +4,14 @@
 
   (paper "A3")
 
+  (title_block
+    (title "Kirdy")
+    (date "2022-07-03")
+    (rev "r0.1")
+    (company "M-Labs")
+    (comment 1 "Alex Wong Tat Hang")
+  )
+
   (lib_symbols
     (symbol "Device:C" (pin_numbers hide) (pin_names (offset 0.254)) (in_bom yes) (on_board yes)
       (property "Reference" "C" (id 0) (at 0.635 2.54 0)
diff --git a/usb.kicad_sch b/usb.kicad_sch
new file mode 100644
index 0000000..d9a0b2e
--- /dev/null
+++ b/usb.kicad_sch
@@ -0,0 +1,1295 @@
+(kicad_sch (version 20211123) (generator eeschema)
+
+  (uuid a7d9a7bd-b0d3-4882-af3e-108353d8661b)
+
+  (paper "A3")
+
+  (title_block
+    (title "Kirdy")
+    (date "2022-07-03")
+    (rev "r0.1")
+    (company "M-Labs")
+    (comment 1 "Alex Wong Tat Hang")
+  )
+
+  (lib_symbols
+    (symbol "Connector:USB_C_Receptacle_USB2.0" (pin_names (offset 1.016)) (in_bom yes) (on_board yes)
+      (property "Reference" "J" (id 0) (at -10.16 19.05 0)
+        (effects (font (size 1.27 1.27)) (justify left))
+      )
+      (property "Value" "USB_C_Receptacle_USB2.0" (id 1) (at 19.05 19.05 0)
+        (effects (font (size 1.27 1.27)) (justify right))
+      )
+      (property "Footprint" "" (id 2) (at 3.81 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "Datasheet" "https://www.usb.org/sites/default/files/documents/usb_type-c.zip" (id 3) (at 3.81 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_keywords" "usb universal serial bus type-C USB2.0" (id 4) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_description" "USB 2.0-only Type-C Receptacle connector" (id 5) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (property "ki_fp_filters" "USB*C*Receptacle*" (id 6) (at 0 0 0)
+        (effects (font (size 1.27 1.27)) hide)
+      )
+      (symbol "USB_C_Receptacle_USB2.0_0_0"
+        (rectangle (start -0.254 -17.78) (end 0.254 -16.764)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 -14.986) (end 9.144 -15.494)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 -12.446) (end 9.144 -12.954)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 -4.826) (end 9.144 -5.334)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 -2.286) (end 9.144 -2.794)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 0.254) (end 9.144 -0.254)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 2.794) (end 9.144 2.286)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 7.874) (end 9.144 7.366)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 10.414) (end 9.144 9.906)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (rectangle (start 10.16 15.494) (end 9.144 14.986)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+      )
+      (symbol "USB_C_Receptacle_USB2.0_0_1"
+        (rectangle (start -10.16 17.78) (end 10.16 -17.78)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type background))
+        )
+        (arc (start -8.89 -3.81) (mid -6.985 -5.715) (end -5.08 -3.81)
+          (stroke (width 0.508) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (arc (start -7.62 -3.81) (mid -6.985 -4.445) (end -6.35 -3.81)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (arc (start -7.62 -3.81) (mid -6.985 -4.445) (end -6.35 -3.81)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type outline))
+        )
+        (rectangle (start -7.62 -3.81) (end -6.35 3.81)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type outline))
+        )
+        (arc (start -6.35 3.81) (mid -6.985 4.445) (end -7.62 3.81)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (arc (start -6.35 3.81) (mid -6.985 4.445) (end -7.62 3.81)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type outline))
+        )
+        (arc (start -5.08 3.81) (mid -6.985 5.715) (end -8.89 3.81)
+          (stroke (width 0.508) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (circle (center -2.54 1.143) (radius 0.635)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type outline))
+        )
+        (circle (center 0 -5.842) (radius 1.27)
+          (stroke (width 0) (type default) (color 0 0 0 0))
+          (fill (type outline))
+        )
+        (polyline
+          (pts
+            (xy -8.89 -3.81)
+            (xy -8.89 3.81)
+          )
+          (stroke (width 0.508) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -5.08 3.81)
+            (xy -5.08 -3.81)
+          )
+          (stroke (width 0.508) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0 -5.842)
+            (xy 0 4.318)
+          )
+          (stroke (width 0.508) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0 -3.302)
+            (xy -2.54 -0.762)
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+          )
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+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy 0 -2.032)
+            (xy 2.54 0.508)
+            (xy 2.54 1.778)
+          )
+          (stroke (width 0.508) (type default) (color 0 0 0 0))
+          (fill (type none))
+        )
+        (polyline
+          (pts
+            (xy -1.27 4.318)
+            (xy 0 6.858)
+            (xy 1.27 4.318)
+            (xy -1.27 4.318)
+          )
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type outline))
+        )
+        (rectangle (start 1.905 1.778) (end 3.175 3.048)
+          (stroke (width 0.254) (type default) (color 0 0 0 0))
+          (fill (type outline))
+        )
+      )
+      (symbol "USB_C_Receptacle_USB2.0_1_1"
+        (pin passive line (at 0 -22.86 90) (length 5.08)
+          (name "GND" (effects (font (size 1.27 1.27))))
+          (number "A1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -22.86 90) (length 5.08) hide
+          (name "GND" (effects (font (size 1.27 1.27))))
+          (number "A12" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 15.24 15.24 180) (length 5.08)
+          (name "VBUS" (effects (font (size 1.27 1.27))))
+          (number "A4" (effects (font (size 1.27 1.27))))
+        )
+        (pin bidirectional line (at 15.24 10.16 180) (length 5.08)
+          (name "CC1" (effects (font (size 1.27 1.27))))
+          (number "A5" (effects (font (size 1.27 1.27))))
+        )
+        (pin bidirectional line (at 15.24 -2.54 180) (length 5.08)
+          (name "D+" (effects (font (size 1.27 1.27))))
+          (number "A6" (effects (font (size 1.27 1.27))))
+        )
+        (pin bidirectional line (at 15.24 2.54 180) (length 5.08)
+          (name "D-" (effects (font (size 1.27 1.27))))
+          (number "A7" (effects (font (size 1.27 1.27))))
+        )
+        (pin bidirectional line (at 15.24 -12.7 180) (length 5.08)
+          (name "SBU1" (effects (font (size 1.27 1.27))))
+          (number "A8" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 15.24 15.24 180) (length 5.08) hide
+          (name "VBUS" (effects (font (size 1.27 1.27))))
+          (number "A9" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -22.86 90) (length 5.08) hide
+          (name "GND" (effects (font (size 1.27 1.27))))
+          (number "B1" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 0 -22.86 90) (length 5.08) hide
+          (name "GND" (effects (font (size 1.27 1.27))))
+          (number "B12" (effects (font (size 1.27 1.27))))
+        )
+        (pin passive line (at 15.24 15.24 180) (length 5.08) hide
+          (name "VBUS" (effects (font (size 1.27 1.27))))
+          (number "B4" (effects (font (size 1.27 1.27))))
+        )
+        (pin bidirectional line (at 15.24 7.62 180) (length 5.08)
+          (name "CC2" (effects (font (size 1.27 1.27))))
+          (number "B5" (effects (font (size 1.27 1.27))))
+        )
+        (pin bidirectional line (at 15.24 -5.08 180) (length 5.08)
+          (name "D+" (effects (font (size 1.27 1.27))))
+          (number "B6" (effects (font (size 1.27 1.27))))
+        )
+        (pin bidirectional line (at 15.24 0 180) (length 5.08)
+          (name "D-" (effects (font (size 1.27 1.27))))
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