diff --git a/docs/hardware.md b/docs/hardware.md
index 9ecc560b..7cb5adb4 100644
--- a/docs/hardware.md
+++ b/docs/hardware.md
@@ -1,7 +1,8 @@
 # DIY Hardware
 
-if you want to build your own AWTRIX 3, here are the pinout of the Ulanzi clock  
-  
+If you want to build your own AWTRIX 3, here are the pinouts:
+
+## Ulanzi TC001
 
 |ESP32 PIN | GPIO  | Usage or part                          |
 |---|-------|-----------------------------------------------|
@@ -15,7 +16,22 @@ if you want to build your own AWTRIX 3, here are the pinout of the Ulanzi clock
 |33/36| 21 (SDA) /22(SCL)  | Temperature and Humidity Sensors (optional)     |
 |37/30| 23(RX)/18(TX) | DFplayer (optional)     |
 
-Supported Sensors:
+## awtrix2_upgrade (WEMOS_D1_MINI32-Environment)
+
+|GPIO  | Usage or part                          |
+|-------|-----------------------------------------------|
+| -- | Battery sensor (disabled)                        |
+| A0 (SVP) / GPIO36   | LDR (light) sensor (GL5516) (optional)          |
+| D2 / GPIO21    | Matrix                                               |
+| D0 / GPIO26    | Left button (optional)                               |
+| D4 / GPIO16    | Middle button (optional) NC/Inverted                 |
+| D8 / GPIO15    | Right button  (optional)                             |
+| --   | Buzzer  (disabled)                                             |
+| D3 21 (SDA) / D1 22(SCL)  | Temperature and Humidity Sensors (optional)     |
+| 23(RX)/18(TX) | DFplayer (optional)     |
+
+## Supported Sensors:
+
 BME280
 BMP280
 HTU21df