diff --git a/draft/boards/mbd-pi-hat.png b/draft/boards/mbd-pi-hat.png
index a1ed2e4..82645b3 100644
Binary files a/draft/boards/mbd-pi-hat.png and b/draft/boards/mbd-pi-hat.png differ
diff --git a/draft/overlay/mbd-pi-hat.md b/draft/overlay/mbd-pi-hat.md
index ff07be5..d2abe9f 100644
--- a/draft/overlay/mbd-pi-hat.md
+++ b/draft/overlay/mbd-pi-hat.md
@@ -2,10 +2,10 @@
 ---
 name: MDB HAT
 class: board
-type: alle
+type: io
 formfactor: HAT
 manufacturer: Qibixx
-description: Multi-Drop-Bus MDB Bus sniffer for the Raspberry Pi
+description: Multi-Drop-Bus MDB Bus Interface and Sniffer for the Raspberry Pi
 url: https://qibixx.com
 buy: https://qiba.pt/
 image: 'mbd-pi-hat.png'
@@ -13,6 +13,9 @@ pincount: 40
 eeprom: yes
 power:
   '1':
+  '2':
+  '4':
+  '17':
 ground:
   '6':
   '9':
@@ -24,19 +27,49 @@ ground:
   '39':
 pin:
   '8':
-    mode: uart
-    name: TXD breakout
+    name: TxD
+    mode: UART
+    description: Serial TX > MDB Controller
   '10':
-    mode: uart
-    name: RXD breakout
+    name: RxD
+    mode: UART
+    description: Serial RX < MDB Controller
   '19':
+    name: SPI_MOSI
     mode: spi
+    description: MDB Controller - MOSI
   '21':
+    name: SPI_MISO
     mode: spi
+    description: MDB Controller – MISO
   '23':
+    name: SPI_SCLK
     mode: spi
+    description: MDB Controller - SCLK
   '24':
+    name: SPI_CE0
     mode: spi
+    description: MDB Controller – CS
+  '27':
+    name: ID_SD
+    mode: I2C
+    description: ID EEPROM DTA
+  '28':
+    name: ID_SC
+    mode: I2C
+    description: ID EEPROM CLK
+  '29':
+    name: IO2RPI
+    mode: output
+    description: IO MDB>RPi
+  '31':
+    name: MDB_RES
+    mode: input
+    description: MDB Contoller Reset
+  '33':
+    name: IOfromRPi
+    mode: input
+    description: IO RPi>MDB
 -->
 # MDB HAT
 The MDBHAT from [Qibixx](https://qibixx.com) is a Raspberry Pi HAT connecting the Pi with the MDB (Machine Data Bus), found in vending machines and peripherals such as Coin and Bill Acceptors. With its advanced architecture, the MDB Hat can support MDB Master, MDB Peripheral and MDB Sniffing applications without any jumper settings.
@@ -48,4 +81,4 @@ The MDB HAT is powered from the Pi, however, it can also provide up to 15W (5V,
 
 Full device documentation and protocol information is available [here](https://docs.qibixx.com).
 
-General MDB information and a device family overview can be found [here](https://mdb.technology).
\ No newline at end of file
+General MDB information and a device family overview can be found [here](https://mdb.technology).