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Introduction

It it time to apply the finishing touches and power on your ROV for the first time!

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The shell, like many of the other parts is cut on a laser cutter. During the process some pieces can get stuck in the holes. These can easily be poked out.
  • The shell, like many of the other parts is cut on a laser cutter. During the process some pieces can get stuck in the holes. These can easily be poked out.

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Tighten the lock nuts using the pliers turning in opposite directions. They should only be tightened so the rod is flush with the outside of the locknut.
  • Tighten the lock nuts using the pliers turning in opposite directions. They should only be tightened so the rod is flush with the outside of the locknut.

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Once you have the structure secure and how you like it. Tighten the inside jam nuts with your fingers to secure the shell.
  • Once you have the structure secure and how you like it. Tighten the inside jam nuts with your fingers to secure the shell.

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These rods can be positioned in different holes depending on the payload being carried.
  • These rods can be positioned in different holes depending on the payload being carried.

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The weights can be removed to keep the ROV neutrally buoyant with a payload.
  • The weights can be removed to keep the ROV neutrally buoyant with a payload.

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With my set it seems, that the head of the plastic screws are a little bit too small for the hole at the weight. So I used small cable ties to fix the weigths …

Andreas Franz - Reply

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The large ziptie will be used to strain relief the tether.
  • The large ziptie will be used to strain relief the tether.

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Don't cut the ziptie.
  • Don't cut the ziptie.

  • Pull the yellow wires tight so they are not in the way of the propellers.

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Unspool 3 meters of wire without cutting the zipties.
  • Unspool 3 meters of wire without cutting the zipties.

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The color of the tether wire does not matter.
  • The color of the tether wire does not matter.

  • Use caution when soldering electronic components. The temperatures are 500 degrees and higher. Eye protection is required.

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Since the o-rings will make a pretty tight fit with the tubes, it is recommended that a lubricant be used on the o-ring to assure the o-ring gets seated properly.
  • Since the o-rings will make a pretty tight fit with the tubes, it is recommended that a lubricant be used on the o-ring to assure the o-ring gets seated properly.

    • We like to use a common lubricant called "MagicLube" which is available at many hardware stores.

    • To apply the lubrication to the o-ring, squeeze a small amount of lubrication onto your finger and then move the o-ring through your fingers.

  • When using lubrication it is recommended that you wear gloves.

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Only put o-rings on two of the battery tube endcaps.
  • Only put o-rings on two of the battery tube endcaps.

  • There are three battery tube endcaps as part of your kit. These parts are not connected to the ROV so they can get lost. The third is a spare.

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The positive terminal of the battery is towards the front of the tube.
  • The positive terminal of the battery is towards the front of the tube.

I had the problem, that I couldn't start the ROV. The reason were the batteries - exactly the plus pole of the batteries. This pole was too flat that there was no contact between the batteries and therefore no power for ROV. I used soldering tin on the plus poles to provide a good and safe contact …

Andreas Franz - Reply

And I got a second problem - at the db25 connector I could measure only the voltage of the starboard battery tube (pin 6+7) but not the port battery tube (pin 4+5). I found, that the contact of the metal plate in the end of the tube to the plus pole of the last battery was really bad. The reason was, that there was a thin layer on the plate caused by the super glue you used to fix the metal on the plate. I used special cleaning liquid for super glue to remove it. Now it'working …

Andreas Franz - Reply

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The front endcaps should be angled so the vehicle can sit flat.
  • The front endcaps should be angled so the vehicle can sit flat.

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Unspool about 3 meters of wires, without removing the zipties from the other end of the tether.
  • Unspool about 3 meters of wires, without removing the zipties from the other end of the tether.

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The USB cable acts as your On/Off switch and turn the OpenROV on when plugged in and off when unplugged. This keeps the batteries from draining when not in use and can be used to quickly power down the unit.
  • The USB cable acts as your On/Off switch and turn the OpenROV on when plugged in and off when unplugged. This keeps the batteries from draining when not in use and can be used to quickly power down the unit.

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Plug in the other side of ethernet and USB cables to your laptop and watch your ROV power on!
  • Plug in the other side of ethernet and USB cables to your laptop and watch your ROV power on!

  • The USB connector acts as the on/off switch for the ROV.

  • The ROV has a built in static IP address of 192.168.254.1, so to connect with it, your computer's ethernet IP address should be on the same subnet, i.e. "192.168.254.2". The subnet mask should be set to 255.255.255.0.

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Windows Vista: go to control panel -> network and sharing center -> click on "manage network connections" on the left-hand bar. Then r-click on "local area network" -> l-click on properties -> l-click on "Internet Protocol Version 4" -> l-click on "properties" and select the option "use the following ip address" and enter in 192.168.254.2.
  • Windows Vista: go to control panel -> network and sharing center -> click on "manage network connections" on the left-hand bar. Then r-click on "local area network" -> l-click on properties -> l-click on "Internet Protocol Version 4" -> l-click on "properties" and select the option "use the following ip address" and enter in 192.168.254.2.

  • Windows 7: go to control panel > network and internet > network and sharing center > click on "change adapter settings" on the left-hand bar. Then r-click on "local area connection" > properties > l-click on "Internet Protocol Version 4" and click on properties. Select the option "use the following ip address" and enter in 192.168.254.2.

  • Windows 8: go to control panel > network and internet > network and sharing center > click on "change adapter settings" on the left-hand bar. Then r-click on "Ethernet" > properties > l-click on "Internet Protocol Version 4" and click on properties. Select the option "use the following ip address" and enter in 192.168.254.2.

  • Windows 10: go to control panel > network and internet > network and sharing center > click on "change adapter settings" on the left-hand bar. Then r-click on "Ethernet" > properties > l-click on "Internet Protocol Version 4" and click on properties. Select the option "use the following ip address" and enter in 192.168.254.2.

Is it possible use windows xp?

Ciao Sergio Giusti

SERGIO GIUSTI - Reply

Yes you can use Windows XP. You just need the latest version of Google Chrome (https://www.google.com/chrome/browser/de...).

OpenROV -

OS X (Mac): Open System Preferences, click Network. Select "Edit Locations" from the Location drop down. Click the (+) and create a new location called "OpenROV". Select your ethernet adapter on the left and select Manually from the "Configure IPv4" drop down. Set the IP address to 192.168.254.2 and subnet mask to 255.255.255.0. Press Apply.
  • OS X (Mac): Open System Preferences, click Network. Select "Edit Locations" from the Location drop down. Click the (+) and create a new location called "OpenROV". Select your ethernet adapter on the left and select Manually from the "Configure IPv4" drop down. Set the IP address to 192.168.254.2 and subnet mask to 255.255.255.0. Press Apply.

  • You will need to open Network and change the Location to OpenROV (and press Apply) when you're using your ROV. When you're done, you will want to change the location back to Automatic so your internet works normally.

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Open Google Chrome web-browser. If you do not have the latest version of Google Chrome, you can go here to get it.
  • Open Google Chrome web-browser. If you do not have the latest version of Google Chrome, you can go here to get it.

  • Before being able to log into the ROV, it will need to have time to boot up. Wait at least 2 minute after turning the ROV on before trying to log on.

  • In the status bar at the top, type 192.168.254.1:8080, which is the IP address of the ROV. Press 'enter' and cross your fingers. Soon the OpenROV Cockpit should appear. It may take 10-20 seconds for the page to finish loading.

  • Having problems connecting? Check out our Connectivity Troubleshooting Guide.

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There are two lasers that we are going to mount to the ROV. These laser beams will be 10cm apart and be parallel. When turned on underwater the dots will always be 10cm apart acting as a scale for underwater measurements.
  • There are two lasers that we are going to mount to the ROV. These laser beams will be 10cm apart and be parallel. When turned on underwater the dots will always be 10cm apart acting as a scale for underwater measurements.

  • Create a "Laser Calibration Station" (Piece of paper with two X's that are 10cm apart in a straight line).

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Place your calibration sheet 3-4 meters away from your e-chassis lasers with the bottom X on sheet at the same height from the ground as the laser on the ROV.
  • Place your calibration sheet 3-4 meters away from your e-chassis lasers with the bottom X on sheet at the same height from the ground as the laser on the ROV.

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Turn on the lasers by pressing "L" on your keyboard.
  • Turn on the lasers by pressing "L" on your keyboard.

  • Focused laser.

  • Unfocused laser.

  • Lasers can be dangerous if they shine directly at your eyes. Learn more than you ever wanted to know about laser safety here.

My lasers aren't turning on when I hit "L." I triple checked their placement when wiring them up, so I don't think that's the issue. Any advice?

Jillian - Reply

Twist the front part of the laser in order to focus it.
  • Twist the front part of the laser in order to focus it.

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When working with cyanoacrylate (super glue) it is recommended that you wear gloves, safety glasses, and work in a ventilated area.
  • When working with cyanoacrylate (super glue) it is recommended that you wear gloves, safety glasses, and work in a ventilated area.

It's a little unclear what is being glued here. is it the second cylinder past the gap (where the first cylinder is the focus part?) and then pushing it in?

Adrian Cotter - Reply

You are gluing the laser at the junction of the focus ring and the base. The front of the laser (focus ring) should be flush with the front of the acrylic. The glue is serving two purposes...holding focus as well as bonding the laser to the acrylic. -Brian G.

OpenROV -

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Test to see if the propellers are rotating in the correct direction. On cockpit, hit the up arrow while looking at your motors to see which direction they are spinning.
  • Test to see if the propellers are rotating in the correct direction. On cockpit, hit the up arrow while looking at your motors to see which direction they are spinning.

    • Port should be running counter-clockwise.

    • Starboard should be running clockwise,

  • For the Vertical Prop, when hitting the Ctrl button, it should be rotating counter-clockwise when looking from the top.

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To reverse a motor, click the "diagnostics" tab on the top right. Select the "reverse" box for the motor that needs to be switched.
  • To reverse a motor, click the "diagnostics" tab on the top right. Select the "reverse" box for the motor that needs to be switched.

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Bevel the inner edges of the main tube using a medium grit sandpaper so that the o-ring will fit in the tube without getting damaged by the sharpness of the tube's inner edge.
  • Bevel the inner edges of the main tube using a medium grit sandpaper so that the o-ring will fit in the tube without getting damaged by the sharpness of the tube's inner edge.

  • Wipe off all the dust left over from the sanding process when done.

  • Do not scratch the inside of the tube. This is where the o-ring seals (see steps below).

hi, why this step is not performed for the battery tube?

Jianxiao - Reply

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Do not scratch the inside of the tube. This is where the o-ring seals.
  • Do not scratch the inside of the tube. This is where the o-ring seals.

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Make sure to chamfer both sides of your tube.
  • Make sure to chamfer both sides of your tube.

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The o-ring seals are very important to ensure that the electronics remain dry.
  • The o-ring seals are very important to ensure that the electronics remain dry.

  • After installing the tube make sure the o-ring engages along the entire interior perimeter of the tube.

  • This is a good amount of o-ring engagement.

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The electronics tube needs the vent hole provided by the plunger in order to equalize pressure when putting on the endcaps.
  • The electronics tube needs the vent hole provided by the plunger in order to equalize pressure when putting on the endcaps.

Sorry I wonder does resist the syringe piston to 10 bar 100mt underwater pressure? no needs to be sealed with glue?

Sergio

SERGIO GIUSTI - Reply

That is correct - Brian G.

OpenROV -

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If you have a grey strap do the following.
  • If you have a grey strap do the following.

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Cut about 7cm from the buckle.
  • Cut about 7cm from the buckle.

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Use a heat gun to melt the end to keep it from fraying.
  • Use a heat gun to melt the end to keep it from fraying.

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Amazing! You should now have a complete OpenROV version 2.8!
  • Amazing! You should now have a complete OpenROV version 2.8!

  • Head over to the operator's manual for further instructions on how to drive and maintain your OpenROV.

  • If you ordered upgrades for your ROV please head over to the Upgrades and Accessory instructions to get started building those!

  • On behalf of the OpenROV team and community at large, we are happy to have you with us. See you on the forum, OpenExplorer, and wherever your adventures take you.

Hello , I did everything you indicate , but hit only once a program chrome , now I only see " this site is not available" 3 of the mini router are on ( power , home plug , ethernet )

claudio contreras - Reply

Finish Line

21 other people completed this guide.

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7 Comments

I can not connect to the ROV. I DID manage to do so once. But only one. Using a Macbook Pro, I disabled the wireless, set the ethernet to 192.168.254.2 and set the mask. Plugged the cable in and the browser times out. I tried switching the ethernet cable to a crossed cabled and that gave me nothing either. I plugged the ROV into a gateway and ran a lan scan. The ROV 192.168.254.1 did not show up.

I'm stumped. Especially as it did connect the first time.

david - Reply

Hello - Please reach out to our support team who will be able to help you out (https://openrov.zendesk.com/hc/en-us/req...). -Brian G.

OpenROV -

Hey David I had a similar issue, I just updated the beagle bone black and it worked again.

Ethan Lane -

Hey!!! Today I did fished assemblig of my new OpenROV 2.8 everything was incredible well explained and detailed. just a minor couple of things that I figured out because at the end they were very logic. This is an incredible guide for a complex device. yet so simple to follow the guide, and at he end everything worked perfect!

Now I will do the first water test in the pool. hope everything goes well!

Thanks to all the OpenRov team. and Congratulations on this magnificent assembling guide.

Best Regards!!!

V. Manuel Pintado (Guadalajara, Mexico)

Manuel Pintado - Reply

Thank you for all of the kind words! We are glad that you enjoyed the guides and the build process. We have definitely learned a lot about the best ways to create these assembly instructions and I am glad to hear that our work is paying off. I hope that your test goes well and that your ROV has many adventures ahead of it! -Brian G.

OpenROV -

HI, I am just about to finish my build (waiting on batteries) or so i thought, no where along the build steps did i see anything saying if you have the pro bundle you will have upgraded items please proceed here, instead i am going to have to do things twice. being new to banging electronics together i was assuming the bits i had were simple plug in bits, not more building, please ad a side note on you instructions to save others this hassle.

McCallum Berry - Reply

Thank you for the feedback on the instructions. I apologize for the hassle and we will work to add in some notes to help others. If you have any questions or issues please don't hesitate to reach out to our support team https://www.openrov.com/support/ -Brian G.

OpenROV -

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