Task 2: Main electronics box (MEB)
Assembly time ≈ 60 minutes
![Needed tools](/img/robots/leo/manuals/tools-V2/tools-meb-black.webp)
![Needed tools](/img/robots/leo/manuals/tools-V2/tools-meb-white.webp)
![vaseline](/img/robots/leo/manuals/tools-V2/vaseline-black.webp)
![vaseline](/img/robots/leo/manuals/tools-V2/vaseline-white.webp)
![loctite](/img/robots/leo/manuals/tools-V2/loctite-black.webp)
![loctite](/img/robots/leo/manuals/tools-V2/loctite-white.webp)
![loctite](/img/robots/leo/manuals/tools-V2/screwdriver-black.webp)
![loctite](/img/robots/leo/manuals/tools-V2/screwdriver-white.webp)
![Layer 3](/img/robots/leo/manuals/tools-V2/layer-3-black.webp)
![Layer 3](/img/robots/leo/manuals/tools-V2/layer-3-white.webp)
Step 0
![](/img/robots/leo/manuals/software/software-4.webp)
Burn LeoOs image to the microSD card using this tutorial:
📄Software update
Detailed guide on updating the software of Leo Rover, covering steps to access the microSD card, download and flash the latest LeoOS image.
Step 1
![RPi](/img/robots/leo/manuals/meb-V2/1-1-black.webp)
![RPi](/img/robots/leo/manuals/meb-V2/1-1-white.webp)
![WiFi dongle](/img/robots/leo/manuals/meb-V2/1-2-black.webp)
![WiFi dongle](/img/robots/leo/manuals/meb-V2/1-2-white.webp)
![90 deg antenna adapter](/img/robots/leo/manuals/meb-V2/1-3-black.webp)
![90 deg antenna adapter](/img/robots/leo/manuals/meb-V2/1-3-white.webp)
![SD Card](/img/robots/leo/manuals/meb-V2/1-4-black.webp)
![SD Card](/img/robots/leo/manuals/meb-V2/1-4-white.webp)
![Step 1 - 1](/img/robots/leo/manuals/meb-V2/2-black.webp)
![Step 1 - 1](/img/robots/leo/manuals/meb-V2/2-white.webp)
![Step 1 - 2](/img/robots/leo/manuals/meb-V2/3-black.webp)
![Step 1 - 2](/img/robots/leo/manuals/meb-V2/3-white.webp)
Step 2
![MEB box](/img/robots/leo/manuals/meb-V2/2-1-black.webp)
![MEB box](/img/robots/leo/manuals/meb-V2/2-1-white.webp)
![4x pan head B2.2x6.5 screw](/img/robots/leo/manuals/meb-V2/2-2-black.webp)
![4x pan head B2.2x6.5 screw](/img/robots/leo/manuals/meb-V2/2-2-white.webp)
![Camera cover](/img/robots/leo/manuals/meb-V2/2-3-black.webp)
![Camera cover](/img/robots/leo/manuals/meb-V2/2-3-white.webp)
![Step 2 - 1](/img/robots/leo/manuals/meb-V2/5-black.webp)
![Step 2 - 1](/img/robots/leo/manuals/meb-V2/5-white.webp)
note
Do not overtighten the screw.
![Step 2 - 2](/img/robots/leo/manuals/meb-V2/6-black.webp)
![Step 2 - 2](/img/robots/leo/manuals/meb-V2/6-white.webp)
Step 3
![Step 2 assembly](/img/robots/leo/manuals/meb-V2/3-1-black.webp)
![Step 2 assembly](/img/robots/leo/manuals/meb-V2/3-1-white.webp)
![Cable with barrel jack](/img/robots/leo/manuals/meb-V2/3-2-black.webp)
![Cable with barrel jack](/img/robots/leo/manuals/meb-V2/3-2-white.webp)
![Step 3 - 1](/img/robots/leo/manuals/meb-V2/8-black.webp)
![Step 3 - 1](/img/robots/leo/manuals/meb-V2/8-white.webp)
![Step 3 - 2](/img/robots/leo/manuals/meb-V2/9-black.webp)
![Step 3 - 2](/img/robots/leo/manuals/meb-V2/9-white.webp)
Step 4
![Step 3 assembly](/img/robots/leo/manuals/meb-V2/4-1-black.webp)
![Step 3 assembly](/img/robots/leo/manuals/meb-V2/4-1-white.webp)
![USB cable](/img/robots/leo/manuals/meb-V2/4-2-black.webp)
![USB cable](/img/robots/leo/manuals/meb-V2/4-2-white.webp)
![Step 4 - 1](/img/robots/leo/manuals/meb-V2/11-black.webp)
![Step 4 - 1](/img/robots/leo/manuals/meb-V2/11-white.webp)
![Step 4 - 2](/img/robots/leo/manuals/meb-V2/12-black.webp)
![Step 4 - 2](/img/robots/leo/manuals/meb-V2/12-white.webp)
Step 5
![Step 4 assembly](/img/robots/leo/manuals/meb-V2/5-1-black.webp)
![Step 4 assembly](/img/robots/leo/manuals/meb-V2/5-1-white.webp)
![Antenna cable](/img/robots/leo/manuals/meb-V2/5-2-black.webp)
![Antenna cable](/img/robots/leo/manuals/meb-V2/5-2-white.webp)
![Vaseline](/img/robots/leo/manuals/meb-V2/5-3-black.webp)
![Vaseline](/img/robots/leo/manuals/meb-V2/5-3-white.webp)
![Step 5 - 1](/img/robots/leo/manuals/meb-V2/14-black.webp)
![Step 5 - 1](/img/robots/leo/manuals/meb-V2/14-white.webp)
note
Cover the seal with vaseline before assembly.
![Step 5 - 2](/img/robots/leo/manuals/meb-V2/15-black.webp)
![Step 5 - 2](/img/robots/leo/manuals/meb-V2/15-white.webp)
Step 6
![Step 5 assembly](/img/robots/leo/manuals/meb-V2/6-1-black.webp)
![Step 5 assembly](/img/robots/leo/manuals/meb-V2/6-1-white.webp)
![Step 1 assembly](/img/robots/leo/manuals/meb-V2/6-2-black.webp)
![Step 1 assembly](/img/robots/leo/manuals/meb-V2/6-2-white.webp)
![4x M2.5x40 distance](/img/robots/leo/manuals/meb-V2/6-3-black.webp)
![4x M2.5x40 distance](/img/robots/leo/manuals/meb-V2/6-3-white.webp)
![Step 6 - 1](/img/robots/leo/manuals/meb-V2/17-black.webp)
![Step 6 - 1](/img/robots/leo/manuals/meb-V2/17-white.webp)
![Step 6 - 2](/img/robots/leo/manuals/meb-V2/18-black.webp)
![Step 6 - 2](/img/robots/leo/manuals/meb-V2/18-white.webp)
note
Connect antenna and USB cable .
Step 7
![Step 6 assembly](/img/robots/leo/manuals/meb-V2/7-1-black.webp)
![Step 6 assembly](/img/robots/leo/manuals/meb-V2/7-1-white.webp)
![Camera and camera ribbon](/img/robots/leo/manuals/meb-V2/7-2-black.webp)
![Camera and camera ribbon](/img/robots/leo/manuals/meb-V2/7-2-white.webp)
![Camera holder](/img/robots/leo/manuals/meb-V2/7-3-black.webp)
![Camera holder](/img/robots/leo/manuals/meb-V2/7-3-white.webp)
![4x pan head B2.2x6.5 screw](/img/robots/leo/manuals/meb-V2/7-4-black.webp)
![4x pan head B2.2x6.5 screw](/img/robots/leo/manuals/meb-V2/7-4-white.webp)
![Step 7 - 1](/img/robots/leo/manuals/meb-V2/20-black.webp)
![Step 7 - 1](/img/robots/leo/manuals/meb-V2/20-white.webp)
note
Do not overtighten the screw.
Make sure the ribbon is pushed
all the way into the connector.
![Step 7 - 2](/img/robots/leo/manuals/meb-V2/21-black.webp)
![Step 7 - 2](/img/robots/leo/manuals/meb-V2/21-white.webp)
![Step 7 - 3](/img/robots/leo/manuals/meb-V2/22-black.webp)
![Step 7 - 3](/img/robots/leo/manuals/meb-V2/22-white.webp)
warning
Connect the other end of the ribbon to the CAMERA port of Raspberry Pi.
Step 8
![Step 7 assembly](/img/robots/leo/manuals/meb-V2/8-1-black.webp)
![Step 7 assembly](/img/robots/leo/manuals/meb-V2/8-1-white.webp)
![LeoCore](/img/robots/leo/manuals/meb-V2/8-2-black.webp)
![LeoCore](/img/robots/leo/manuals/meb-V2/8-2-white.webp)
![4x M2.5x40 distance](/img/robots/leo/manuals/meb-V2/8-3-black.webp)
![4x M2.5x40 distance](/img/robots/leo/manuals/meb-V2/8-3-white.webp)
![Step 8 - 1](/img/robots/leo/manuals/meb-V2/24-black.webp)
![Step 8 - 1](/img/robots/leo/manuals/meb-V2/24-white.webp)
![Step 8 - 2](/img/robots/leo/manuals/meb-V2/25-black.webp)
![Step 8 - 2](/img/robots/leo/manuals/meb-V2/25-white.webp)
note
Connect power and LED cables.
Step 9
![Step 8 assembly](/img/robots/leo/manuals/meb-V2/9-1-black.webp)
![Step 8 assembly](/img/robots/leo/manuals/meb-V2/9-1-white.webp)
![4x pan head M2.5x8 plastic screw](/img/robots/leo/manuals/meb-V2/9-2-black.webp)
![4x pan head M2.5x8 plastic screw](/img/robots/leo/manuals/meb-V2/9-2-white.webp)
![Plastic electronics stack cover](/img/robots/leo/manuals/meb-V2/9-3-black.webp)
![Plastic electronics stack cover](/img/robots/leo/manuals/meb-V2/9-3-white.webp)
![Step 9 - 1](/img/robots/leo/manuals/meb-V2/27-black.webp)
![Step 9 - 1](/img/robots/leo/manuals/meb-V2/27-white.webp)
![Step 9 - 2](/img/robots/leo/manuals/meb-V2/28-black.webp)
![Step 9 - 2](/img/robots/leo/manuals/meb-V2/28-white.webp)
Step 10
![Step 9 assembly](/img/robots/leo/manuals/meb-V2/10-1-black.webp)
![Step 9 assembly](/img/robots/leo/manuals/meb-V2/10-1-white.webp)
![Seal string](/img/robots/leo/manuals/meb-V2/10-2-black.webp)
![Seal string](/img/robots/leo/manuals/meb-V2/10-2-white.webp)
![Step 10 - 1](/img/robots/leo/manuals/meb-V2/30-black.webp)
![Step 10 - 1](/img/robots/leo/manuals/meb-V2/30-white.webp)
![Step 10 - 2](/img/robots/leo/manuals/meb-V2/31-black.webp)
![Step 10 - 2](/img/robots/leo/manuals/meb-V2/31-white.webp)
note
Make sure that the full length of the
seal sits in the groove.
Cut excess material, leave ≈1cm of overlap
Step 11
![Step 10 assembly](/img/robots/leo/manuals/meb-V2/11-1-black.webp)
![Step 10 assembly](/img/robots/leo/manuals/meb-V2/11-1-white.webp)
![4x M4x6 distance](/img/robots/leo/manuals/meb-V2/11-2-black.webp)
![4x M4x6 distance](/img/robots/leo/manuals/meb-V2/11-2-white.webp)
![loctite](/img/robots/leo/manuals/wheel-V2/4-4-black.webp)
![loctite](/img/robots/leo/manuals/wheel-V2/4-4-white.webp)
![Step 11 - 1](/img/robots/leo/manuals/meb-V2/33-black.webp)
![Step 11 - 1](/img/robots/leo/manuals/meb-V2/33-white.webp)
note
Put a drop of loctite onto the threads of the distances before tightening.
![Step 11 - 2](/img/robots/leo/manuals/meb-V2/34-black.webp)
![Step 11 - 2](/img/robots/leo/manuals/meb-V2/34-white.webp)