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Guide 5 - Finishing

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  • Author: OpenROV
  • Time estimate: 2 hours
  • Difficulty: Moderate

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

Edit Step 1 Mount Battery Tubes  ¶ 

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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.

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Edit Step 10 Threaded Rods  ¶ 

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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.

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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.

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

Edit Step 18 Weights  ¶ 

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

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Edit Step 23 Fin  ¶ 

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Edit Step 28 Sticker  ¶ 

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Edit Step 31 Tether  ¶ 

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

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Image 1/1: Pull the yellow wires tight so they are not in the way of the propellers.

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  • 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.

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Image 1/1: Use caution when soldering electronic components. The temperatures are 500 degrees and higher. Eye protection is required.

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  • 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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Edit Step 52 O-rings  ¶ 

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Image 1/1: We like to use a common lubricant called "MagicLube" which is available at many hardware stores.

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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.

    • 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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Image 1/1: 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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  • 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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Edit Step 57 Install Batteries  ¶ 

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

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

Edit Step 61 Connecting Electronics  ¶ 

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  • 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.

Edit Step 68 Connect to Your ROV  ¶ 

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Image 1/1: The USB connector acts as the on/off switch for the ROV.

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  • 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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Image 1/1: '''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.

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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 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.

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Image 1/1: 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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  • 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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Image 1/1: 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.

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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.

  • 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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Edit Step 74 Camera Focus  ¶ 

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Edit Step 78 Laser Calibration  ¶ 

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Image 1/1: Create a "Laser Calibration Station" (Piece of paper with two X's that are 10cm apart in a straight line).

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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.

  • 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.

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Image 1/1: Focused laser.

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  • 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.

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  • 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.

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Edit Step 93 Motor Direction  ¶ 

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Image 1/1: Port should be running counter-clockwise.

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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.

    • 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.

Edit Step 96 Electronics Tube Chamfer  ¶ 

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Image 1/1: Wipe off all the dust left over from the sanding process when done.

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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.

  • 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).

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  • 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.

Edit Step 102 Sealing Electronics Tube  ¶ 

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Image 1/1: After installing the tube make sure the o-ring engages along the entire interior perimeter of the tube.

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  • 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.

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Edit Step 112 Strap  ¶ 

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  • If you have a grey strap do the following.

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  • Cut about 7cm from the buckle.

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

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1 Edit Step 124 ROV Complete  ¶ 

Image 1/1: '''Head over to the [http://openrov.dozuki.com/Guide/OpenROV+Operators+Manual/80|operator's manual|new_window=true] for further instructions on how to drive and maintain your OpenROV.'''

1 Edit Step 124 ROV Complete  ¶ 

  • 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.

  • 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.

You're Done!

10 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 -

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 -

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 -

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 -

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

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