Assembling Monarco HAT and Raspberry Pi (B+, 2, 3, 3B+)
Step 1 - Raspberry Pi
![](https://www.monarco.io/wp-content/uploads/2022/12/Navod3D_krok1a.png)
Use metal spacers to attach the Raspberry Pi to the bottom part of the aluminium case and stick the thermal conductive pad.
Step 2 - Heat Sink
![](https://www.monarco.io/wp-content/uploads/2022/12/Navod3D_krok2.png)
Screw the heat sink to the side panel.
Step 3 - Side Panels
![](https://www.monarco.io/wp-content/uploads/2022/12/Navod3D_krok3.png)
Mount the side panels and tighten the screws.
Step 4 - Isolation Pad
![](https://www.monarco.io/wp-content/uploads/2022/12/Navod3D_krok4.png)
Stick an isolation pad on the battery from below Monarco HAT.
Step 5 - Monarco HAT
![](https://www.monarco.io/wp-content/uploads/2022/12/Navod3D_krok5.png)
Attach the Monarco HAT on top of the Raspberry Pi and use screws to fasten it.
Step 6 - Closing the Case
![](https://www.monarco.io/wp-content/uploads/2022/12/Navod3D_krok6.png)
Mount the cover and tighten the screws.
Step 7 - Connector and micro SD card
![Monarco HAT connector and micro SD card for the Raspberry Pi.](https://www.monarco.io/wp-content/uploads/2021/09/Krok_5.png)
Plug in the connector and micro SD card. Make sure that the locking levers are in the middle position.
Step 8 - Mounting holders
Insert two plastic holders according to your preferences. The metal case allows for both horizontal and vertical mounting.
Step 9 - DIN rail mounting
![Monarco HAT and Raspberry Pi on a DIN rail - vertical mounting.](https://www.monarco.io/wp-content/uploads/2021/09/Krok_7_1.jpg)
The aluminium case allows vertical mounting...
![Monarco HAT and Raspberry Pi on a DIN rail - horizontal mounting.](https://www.monarco.io/wp-content/uploads/2021/09/Krok_7_2.jpg)
... as well as horizontal mounting.