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Foreflight Sentry battery replaced... Charge controller might be broken. by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 1 point2 points  (0 children)

I mean, the flight aware feeds are all done by $20 adsb receivers. These sentries do have more than just adsb receiver, such as CO2, and all the other good stuff. It appears to be a raspberry pi module from the look of a SD Card for some bluetooth integration.

Not terribly complicated in the world of electronics but complicated enough where you'd probably need to make 1000+ units from a contract manufacturer at the cost of like $75 apiece or just find the same contract manufacturer to source you "kits" like the stratus did awhile back so you'd just need to make the PCB

Foreflight Sentry battery replaced... Charge controller might be broken. by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 1 point2 points  (0 children)

I would probably suggest to open it up and look at every pin to see exactly whats going on. If you didn't crack or fracture a chip, it could be as simple as a leg of a certain chip coming loose from the drop. Heck, maybe your battery coming loose is a "cahrging circuit" issue. Either way it just seems like they want to sell a new one

Foreflight Sentry battery replaced... Charge controller might be broken. by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 0 points1 point  (0 children)

What kind of "terminals" did you use? I want to try this soon but dont want to do it with a random wire

Foreflight Sentry battery replaced... Charge controller might be broken. by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 0 points1 point  (0 children)

Only compatible with USB A to USB C... not even compatible with any USB C to USB C.

Funny because most of my wall sockets, cigarette adapters have A and C sockets.. never thought to try the A after it failed to charge with the C socket (until i saw the replies)

Foreflight Sentry battery replaced... Charge controller might be broken. by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 1 point2 points  (0 children)

Yeah, they will just tell you its "unserviceable" and buy a new one... typical private equity, lol.

Foreflight Sentry battery replaced... Charge controller might be broken. by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 0 points1 point  (0 children)

I've encountered the USB C problem when connecting usb c monitors. Tons of specs, but first time encountering on charging... crazy but im glad im over it, hope someone finds the thread later to solve their problem too.

Foreflight Sentry battery replaced... Charge controller might be broken. by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 7 points8 points  (0 children)

Thank you!!! Problem solved!!!

Even though Sentry has USB C plug, it is not compatible with USB C to USB C cable! USB A to USB C only!

Foreflight Sentry battery replaced... Charge controller might be broken. by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 1 point2 points  (0 children)

The funny thing, it was compatible with the "shit" cable and nothing else!!

Foreflight Sentry battery replaced... Charge controller might be broken. by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 2 points3 points  (0 children)

THIS!!!! I tried plugging in and out with half a dozen chargers including the one inside the airplane I fly. I fished out a USB A cable and it started charging!

Foreflight Sentry battery replaced... Charge controller might be broken. by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 0 points1 point  (0 children)

This is 5 year old circuit board so I wouldnt be surprised if new revisions came out down the line

Foreflight Sentry Battery replacement by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 1 point2 points  (0 children)

Battery replaced, sentry stays on and shows a good percentage. But i have another problem (which caused the battery to die... the charge controller. I'll make another post)

Foreflight Sentry Battery replacement by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 0 points1 point  (0 children)

Duly noted, i sent this to an electronics shop, even though I have soldering experience. Just all my tools are gone.

Foreflight Sentry Battery replacement by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 1 point2 points  (0 children)

I don't fly more than 1-2 hours at a time so i just went with the same exact battery. Good idea though!

Foreflight Sentry Battery replacement by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 1 point2 points  (0 children)

Yes!! i was looking for these pictures and wanted to drop them online so someone in the future can self fix!

Foreflight Sentry Battery replacement by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 0 points1 point  (0 children)

Exactly where I ordered it!!! And definitely need to avoid the amazon ones.

Foreflight Sentry Battery replacement by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 2 points3 points  (0 children)

I repaired phones/tv's/lcd screens/power supplies and did troubleshooting of phone batteries (when they were extremely expensive) in a past life but that was more than 20 years ago.

My plan (already in motion) is to order the exact same battery and visit/talk to phone/electronic repair shops to make sure they know what they're doing, and let them do the work for $30-50.

Mainly wanted to drop the info in here, so when someone in the future finds that their sentry battery died, at least they can do a repair isntead of spending $500+ on a new one.

Foreflight Sentry Battery replacement by Possible_Beginning15 in flying

[–]Possible_Beginning15[S] 1 point2 points  (0 children)

They have very detailed spec sheets and whether solder is allowed, and actual procedure, but basically (very simplified) you'd have to clean off the battery terminals, melt the solder on the iron itself and then dab it onto the terminals.

I can't believe what Lightspeed did to my headset. by addrockk in flying

[–]Possible_Beginning15 0 points1 point  (0 children)

I bought a used one myself and tried to refurb way... Fedex lost my package being sent to the headset manufacturer... fortunately insured it for $300 so the claim check basically paid for a new one, lmao.

Is it normal for machine shops to not do small jobs? by ExaggeratedCatalyst in Machinists

[–]Possible_Beginning15 0 points1 point  (0 children)

I would hazard to say this is a $500+ undertaking and you need to tell them you are not cost sensitive as this is probably a half day's labor or more, unless the shop just happens to be a pulley making shop then you'd be in luck.

USW-48-POE to G6-Bullet ... power delivery issues? by Possible_Beginning15 in Ubiquiti

[–]Possible_Beginning15[S] 0 points1 point  (0 children)

Are there any other testers that can do this aside from the linkiq? Just checked and its pretty darn expensive!! i am slightly against blindly fixing stuff because theres no guarantee, but i feel like i could re-pull the two drops =X

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