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Changes to Step #73

Edit by OpenROV (Sofar) —

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[* black] Insert wisdom hereThe two battery packs are wired in parallel through the OpenROV Controller Board, so the power from each pack can be measures separately on the DB-25 connector. It's important to make sure you've wired these correctly.
[* black] Place three 26650 batteries, positive end forward, into one of the battery tubes and verify that voltage (should be around 12v for freshly charged batteries) is going to the correct pins with the correct polarity.
[* black] Do the same test with the other battery pack to be sure both packs are connected correctly to the DB-25 connector.
[* black] The ROV is turned on and off by the topside adapter, so batteries can be placed inside the ROV without it turning on. Use extra 157 o-rings to secure the battery tube endcaps in place.
[* black] Insert wisdom hereThe two battery packs are wired in parallel through the OpenROV Controller Board, so the power from each pack can be measures separately on the DB-25 connector. It's important to make sure you've wired these correctly.
[* black] Place three 26650 batteries, positive end forward, into one of the battery tubes and verify that voltage (should be around 12v for freshly charged batteries) is going to the correct pins with the correct polarity.
[* black] Do the same test with the other battery pack to be sure both packs are connected correctly to the DB-25 connector.
[* black] The ROV is turned on and off by the topside adapter, so batteries can be placed inside the ROV without it turning on. Use extra 157 o-rings to secure the battery tube endcaps in place.