Aug 25, 2016
BizJet Server down? If web interface down, is (are) data still being collected?�
Aug 25, 2016
HankLloydRight The website seems up for me.�
Aug 25, 2016
Jdeck It's up on my end and the logger doesn't have any gaps. It's been up 100% of the time since I started it. Are you still unable to reach it?�
Aug 25, 2016
BizJet Okay, seems like a DNS issue if some are seeing it and some are not. I cannot see teslafi.com either from my car (AT&T) nor from my phone (Verizon Wireless)�
Aug 25, 2016
Jdeck Ok. It's back up now. My fault. I changed the domain contact info and missed the verify email so the domain was placed on hold until I verified it.
No logging was missed. I'll still claim 100% uptime.
�
Aug 25, 2016
CuriousG This explains it if you use something like Google or OpenDNS for DNS servers where they have a much shorter TTL. I can confirm it's back up.�
Aug 26, 2016
cjt3 Was just looking at the leaderboard and noticed dschilberg's 330 mile drive at 39mph. I have to ask - where were you going that you were so not in a hurry to get there!�
Aug 26, 2016
Jdeck That's going to be a hard one to beat. Might take a P100D to beat that at highway speed.
BTW- I started working on filtering of the leaderboard to sort by battery size. Should have it up soon.�
Aug 26, 2016
CuriousG How about having a fun category like Electron Hoarder for people that like to drag race? Would be interesting to see how inefficient the numbers are.�
Aug 26, 2016
Jdeck That would be a fun one. I have lots of ideas to add to the leaderboards. Just a matter of time to implement them.�
Aug 27, 2016
hiroshiy Just FYI here in Japan I still can't access TeslaFi for nearly two days...�
Aug 27, 2016
StaticDischarge I connected my vpn to an endpoint in Tokyo and was able to access and browse pages on teslafi.
Just fyi, in case it helps.�
Aug 27, 2016
Jdeck I can't think of anything that could be wrong. I had about 15 users sign up overnight and today. Many of them are international users as well.
Thanks for checking that out.�
Aug 27, 2016
hiroshiy Thanks, this morning it worked again!�
Aug 28, 2016
JonW Could the 2 ChargeCalc.php division by zero errors appearing in the monthly calendar view please be addressed soon?
Warning: Division by zero in /home/tesla/public_html/chargeCalc.php on line 333
Warning: Division by zero in /home/tesla/public_html/chargeCalc.php on line 241�
Aug 28, 2016
Jdeck Can you tell me your username on the site? I don't see a JonW. Or you can fill out a bug report on the site so you can track it. It's probably some bad data in a charging session.�
Aug 28, 2016
JonW My TeslaFi username is jwalthour. Sorry for the inconsistently. It's bug report 0000088 - php error on monthly drives pages, reported on 10-AUG-2016.�
Aug 29, 2016
beardboy69 I also still get this on mine, but I think you said it was to do with using a CHAdeMO adaptor?�
Aug 29, 2016
Jdeck Yes, one was the CHADeMo issue and another was some bad data. I fixed both of them last night. Yours should be good to go as well.�
Aug 30, 2016
Xenius Loving TeslaFi so far, couple thoughts on the header bar (see attachment).
�
Aug 30, 2016
Jdeck Made some changes. Let me know how it looks.�
Aug 30, 2016
Jdeck I added a little arrow at the top of the list that will change the sorting. It will remember your preference as well.�
Aug 30, 2016
CuriousG As I was looking at the leaderboards, I see the in 70 pack category there are 3 instances (1 owner is listed twice) that exceed starting capacity that's allowed for a 70 pack. I'm guessing they chose the wrong car.�
Aug 30, 2016
Jdeck Unfortunately I'm learning from some international users that their API returns the ideal milage where the rated milage would be in the U.S. I don't know if I have that right or not, I need to spend some time mapping the fields but something is definitely swapped.
The ranking appears to be fine though. It's just the starting and ending range may be incorrect. I guess that would give them a disadvantage on the range pushers board however.�
Aug 31, 2016
Xenius Fantastic! Thanks so much. I'll be sure to continue to give any feedback.�
Sep 1, 2016
Boourns I was thinking of starting a thread where we can post our monthly statistics. Might be fun just to compare how we all drive. If anyone else is interested (or one already exists that I missed) speak up!�
Sep 1, 2016
Boourns Post your data logger stats!�
Sep 1, 2016
Tam Same here!
I have been manually logging basic information (date, fuel, distance..) by hand since the old days of ICE for decades and I haven't stopped with my Tesla.
Thanks James for such a wonderful automatic trip logging service and I am willing to donate $5.00 monthly for the privilege of participating in this beta project.�
Sep 2, 2016
Xenius Another kudos to James. I posted a screenshot with some suggestions for better labeling, it was like a 6 hour turnaround before he'd already taken care of my suggestions, plus more.
Awesome, awesome work.�
Sep 3, 2016
Duma Count me as one of the impressed users. I am late to the party, only joining a couple of weeks ago.
Outstanding design providing both meaningful summaries and the option to drill down to further details, including more or less the raw data collected.�
Sep 3, 2016
DuplexDianne Hey James, I'm not sure I'm at a point right now to appreciate the data being logged. Is there a way to stop logging the data,? Do I need to delete something to do that? I'm not techie enough to know what's going on...just that I probably shouldn't have signed up to be a beta tester just yet, LOL.
Thanks for your help!�
Sep 3, 2016
Jdeck You can go into your settings page and uncheck "Logging Enabled" and hit submit. This will stop the data logger from polling your car.
You can also delete the token at the top of the page if you wish but isn't necessary.�
Sep 3, 2016
DuplexDianne Thank you!�
Sep 3, 2016
CuriousG Found a bug when tagging an address. Under the suggested names, when it parses names that have an apostrophe, it truncates anything after it. Typing it out manually works fine.�
Sep 4, 2016
SDRick It looks like there are a lot of happy campers using this tool. I plan on registering today. Any downside as far as energy consumption, data always being downloaded, security concerns?�
Sep 4, 2016
cjt3 I have been using for about six weeks and have been very happy with it. I haven't noticed any difference in energy consumption, although I was using TeslaLog before TeslaFi so probably wouldn't be a difference. My vampire loss varies day-to-day, although I have TeslaFi on all the time so the variability must be due to other factors. I typically see about 6-7 miles of loss every 24 hours on average, but occasionally will see twice that for unknown reasons.
As for security concerns, only you can answer that for yourself. It's not something I am worried about personally.�
Sep 4, 2016
SDRick For me, 6 to 7 miles is worth it for this data. It's only about $.30 a day and I am relatively sure that the bulk of this loss is not due to data communication energy consumption (I could be wrong on this though). It's funny, when you look at this on an annual basis, six or 7 miles per day becomes over 2100 miles per year!
As to the security, I guess worst case I can think of is someone hacks into Tesla or Teslafi and is somehow able to control our automobiles. Hopefully there are safeguards all around but hackers are clever folks.�
Sep 4, 2016
Tam 1) If you set energy saving/sleep feature in your car, there's an option so the program does not wake up your car.
2) This is a logging program, so if you are concerned about privacy, you need to avoid as much logging capability (such as this program) as possible. The less logging is around, the less chance for someone to leak your privacy.�
Sep 4, 2016
SDRick I'm not too concerned about privacy, as in where I am going or how much energy I'm using. Who much would care?�
Sep 4, 2016
HankLloydRight I think the concern about privacy is not so much what data is being collected, but rather how secure is the login/connection information handled?
In order to use any of these logging services, you need to provide your MyTesla login credentials to these third-party websites. What they do with that info is anyone's guess. But taken at face value, they store that information temporarily (in memory only) in order to retrieve the Tesla API Token, which then provides them the credentials to connect to your car and download data. Once the token is retrieved, the login info is discarded. Or is it? Just think what someone else could do with your MyTesla login information.
That said, I personally trust that Teslafi.com doesn't do anything nefarious with the login credentials and they are discarded immediately after being used to obtain the token.
Also, if you're concerned about these sites having the token, which can totally locate and control your car, all you need to do is change your password on the MyTesla site, and that should expire all existing tokens.
Of course anyone concerned about their location privacy shouldn't be using this site (or any like it) in the first place.�
Sep 4, 2016
Jdeck Thanks. I have this on my list...it took me a while to get that feature working and ran out of steam that night to fix that issue.�
Sep 4, 2016
Jdeck Correct. They are only used to obtain the token then discarded.�
Sep 4, 2016
Tam Hunting down by all means (including Federal Aviation Administration) 51 Texas House Democrats who fled to Oklahoma for four days in May 2013 is an example that some day, some people in high power might just want to know where you've been.�
Sep 4, 2016
fallen888 I'd feel a lot better if the authentication implementation was similar to Facebook or Twitter (e.g. OAuth), instead of providing actual credentials to a lesser known application. Sorry, as nice, promising as this looks, I just don't have the warm and fuzzies.�
Sep 6, 2016
BizJet Still loving TeslaFi.com, and it keeps getting better all the time! Kudos to @Jdeck, and thanks!
I had an enhancement I'd like to suggest via post before I put it in the database.
I think it would be incredibly useful to be able to tag each drive with a user-defined category that could then be used in filtering reports, etc. Use case would be, for example, for me to tag all my business drives for tax reporting purposes, or all my Uber rides given, or all expense account drives, etc.
Suggested entry point would be a pulldown box at the end of each listing in the Drives Page where user could choose from previously entered categories or create a new category.
Suggested reporting point would be either on the Drive Summary Page (stats by category, including "No Category") or the Calendar Page (monthly stats by category).�
Sep 8, 2016
brantse I'm curious about the "charging efficiency" on the charging summary page. How are these values computed? My home charging number is extremely low, and I'm just wondering if this is something I need to check?
�
Sep 8, 2016
BizJet Here's a suggestion for enhancing further the utility of the "Charge Count at Location" table on the Charging Summary page. It would be really useful to add:
Eventually, on all these summary pages, it would be useful to set the date range for the display. It's not such an issue now, since everybody's been on it for a very short period of time. But longer term, it would be helpful to have preset time query pulldowns like: This Month, Last Month, This Year, Last Year, All Time, Custom. This would be especially helpful in conjunction with my earlier suggestion about drive category tagging...you could get a report, say, of "Business Drives Last Year" for tax reporting purposes.
- Total kWH - total number of kilowatt hours added at that particular location
- Total $ - $ cost or saved at that location
- Charging time - total time charging at that location
- Avg charge speed - average kwH/hr at that location
�
Sep 8, 2016
Jdeck Oops. I was displaying the last charge efficiency on that table instead of the avg charge efficiency. It should show correctly now.
The last charge was 56.7% because the car was "offline" for two hrs during the charge and not collecting data. It looks like you have a few like that which brought your avg down to 78%. I'll add a filter to not include charges with large amounts of offline data in the charge efficiency averages.�
Sep 8, 2016
Jdeck Thanks, if you can add these larger ones to the bug tracker it would be helpful so I don't forget about them. I've been working on adding typical range to the site for international users and have run into some issues that have sidetracked me from everything else right now.�
Sep 8, 2016
SDRick
I am also curious on the data that is used to comprise charging efficiency. For example, today's charge shows 16.1 kW used, 13.94 kW added with an efficiency of 86.5.. The meter on my wall shows I was "billed" for 15.8 kilowatts.
Of most interest would be how is the "kilowatts used" calculated? Is it an actual measurement or a formula based on kilowatts added combined with an estimate of AC to DC conversion loss?�
Sep 8, 2016
Jdeck The API gives me the energy added to the battery which I use for the kwh added.
For the energy used, I have to add up all the data points and calculate it using the current and voltage from each point.
It does look like it needs a little tweaking. @rmurphy81 has been adding some data points for me to compare in the bug tracker at 0000058: Charge 67 Showing Incorrect Value for kWh Used - TeslaFi Bug Tracker. If you can add a few examples in there as well it would be helpful too. I'll try to get that one sooner vs later.�
Sep 8, 2016
SDRick Perhaps I am confused on the data\definitions being used. It looks like there can be different variables at play to determine "efficiency".
kilowatts being charged by the power company (before conversion to DC)
kilowatts lost converting AC to DC (charging efficency)
kilowatts added to the battery during the charge
kilowatts used driving
kilowatts lost during idle and sleep
Which variables are used to calculate efficiency?�
Sep 8, 2016
bmah I've been using TeslaFi for a few days now, and I really like the presentation and navigation through data. Very nice, thanks for letting us users play with it!
Bruce.�
Sep 8, 2016
Jdeck kilowatts being charged by the power company (before conversion to DC)
kilowatts lost converting AC to DC (charging efficiency)
-No direct data is given from the API aside from charger_voltage and charger_current on each request for data. I add up these data points from the entire charge session and use A*V/1000 to get the kw the charger is using. Then the energy added below is divided by this.
kilowatts added to the battery during the charge
-Comes directly from the API's charge_energy_added last data point from the charge.
kilowatts used driving
-No direct data is given from the API. I have to use a calculation using miles driven, rated miles used, estimated rated miles available in a 100% charge and battery size. This seems to be close or right on for most cars but there's some that I'm still working on right now.
kilowatts lost during idle and sleep
- I don't track that, just rated miles lost.
Let me know if that makes sense and if you have suggestions. I'm not an expert at this but have I learn more each day,�
Sep 8, 2016
Jdeck thanks�
Sep 8, 2016
rfmurphy81 I love these ideas. Definitely get them into the bug/feature tracker so they don't get forgotten about!
I haven't been adding in the latest few ChargePoint sessions that I've done. I figured you had enough data points but I can keep adding if you want. Should I stop or continue commenting on that ticket?�
Sep 8, 2016
Dave Davies It's scary and amazing at the same time.
one concern, will this make the car talk to tesla too much, should i be concerned about 1 minute updates?
how often does the car update normally ?�
Sep 8, 2016
BizJet No problem. I didn't know whether you wanted just bugs there, or feature requests as well. I'll put those requests in today.�
Sep 8, 2016
Jdeck I think I have enough from your source. Another source might be helpful to verify things though.�
Sep 8, 2016
Jdeck I haven't seen or heard of any issues yet. In fact there's multiple users tracking different things on 3 different sites which means they could be polling 3 times a minute at minimum.
I'm not sure if anyone knows how often Tesla polls your car normally. Probably not too often though considering the car can sleep for up 3/4 of a day if not woken up by other means.�
Sep 8, 2016
rfmurphy81 When I was running TeslaLog and TeslaFi at the same time, it seemed like vampire drain was higher than it should have been. James had introduced the sleep feature sometime shortly after, and this is when we discovered that TeslaLog was pinging the Tesla API so often that it was preventing TeslaFi from setting the vehicle to sleep. I don't think the vampire drain was twice (because I had two services pinging the API) but the car was basically kept in an "always on" idle state. Once I disconnected TeslaLog, which had served its purpose for me at that time, and starting Sleep Mode on TeslaFi, the vampire drain has dramatically shifted down. Now it's anywhere as low as less than a mile per day to maybe 3-4 miles per day on average, depending on various factors.�
Sep 9, 2016
hungyip84 Question: Can it track when the car has been remotely accessed? Just curious�
Sep 9, 2016
rfmurphy81 I don't think that's a feature within the Tesla API. You may need to contact Tesla officially to see if they have those kinds of logs.�
Sep 12, 2016
hiroshiy It is interesting that TeslaFi can track parked locations even if the remote access is turned off. My car is at the SC for minor fixes for several days and I can see logs collected by TeslaFi.�
Sep 12, 2016
HankLloydRight Is the car moving at all? Perhaps TeslaFi (or the API) is just returning it's last known location before remote access was turned off?�
Sep 12, 2016
hiroshiy It is moving. I had a little bit of scratch on the front bumper, and they need to remove XPEL, fix the scratch, fully paint and XPEL, then glass coating. Thus the car needed to go to the SC first, body shop, then paint shop, film shop and come back to SC again.�
1/1/2015
guest Got this one fixed.�
1/1/2015
guest I appreciate the amount of information that you are able to able to get out of the Tesla API, given some of the real limitations of the Tesla API. I have looked at the API and for the benefit of others, I'd like to point out several factors that limit the accuracy of estimating the supplied power, even assuming that the car measures the current and voltage accurately:
Net is that the estimate of the power supplied can easily be off by as much as 2-3% due to way the data is provided in the API.
- The supply voltage and current are reported as integers. It is also unclear whether Tesla rounds or truncates to get the integer. In any case, at 40 Amps the reporting precision is �1.2% and �0.6% at 80 Amps. Precision on the 240 volts is better (�0.2%).
- The supply voltage fluctuates. Data on my car shows �2% variation in the voltage, which is pretty good. The trouble is that the API reports the instantaneous value, not the average value over the past minute at the one minute sample rate, so the fluctuations are not being tracked precisely. So there is likely an error of 1-2% between the sampled value and the average value.
The power added to the battery is supplied as a floating point number, so the precision is fine but we don't know the accuracy of the measurements that go into Tesla's calculation of this value.
Bottom line: I expect a variance of 2-3% between the estimate of power supplied using the API current and voltage number and power reported by a charging station like ChargePoint, after correcting for any systematic errors (like truncating vs rounding).�
1/1/2015
guest I've not read all 188 messages, but this seems like the type of spreadsheet that an Engineer like me would bask in. How do I get a copy?�
1/1/2015
guest If you mean the app itself just go to http://TeslaFi.com and create an account.�
1/1/2015
guest Thanks. And I happened to have a location that needed tagging to test it too. Confirmed working.�
1/1/2015
guest Created account - but the site requires charging my car to 90% for KWH calculations.. On my S60D, what is that number? 100% of 60 = 80% of 75 and I can't do 90% of 75.�
1/1/2015
guest Just put it on the farthest right *daily* slider mark.�
1/1/2015
guest Let's see how this works. My car is ordered (not in production yet) but have already registered for TeslaFi.com. Maybe it'll start tracking before I even get it.�
1/1/2015
guest Okay that was a dumb idea.
"No delivered cars were found in your Tesla.com account. Logging has been turned off. Once you have received your car and can access it via the Tesla app please return to TeslaFi.com and enable logging in your settings page."�
1/1/2015
guest And even then it might take a day or two to get the remote access fully turned on after delivery.�
1/1/2015
guest I'm curious, why can TeslaFi record location data even remote access is turned off ? Attached is from my TeslaFi log a few days ago and the car was initially at the Service Center in Yokohama. They supercharged my car like 10 minutes and drove it to my office. There I charged my car to 90%. Service turned on remote access after leaving the service center.
�
1/1/2015
guest I have a home wi-fi. My MAC uses it to communicate with a TimeCapsule. I have a guest account for visitors with its own password. I am thinking of creating a new wi-fi account for my new Tesla. But I have no idea how to do this, or even if it is a smart thing to do. How does Tesla get wi-fi access?�
1/1/2015
guest When at home it gets a list of all SSID's that are in range. You pick the one you want, enter the password and wait for it to connect. So if you create a dedicated wifi network for your car on your router it should see it.�
1/1/2015
guest Sounds too simple.
Now confuse me a bit more....Should I use the existing SSID - that my main computer uses, or should I give it its own SSID. Will the speed of traffic be any different? Is it worth the effort? and part 2...how do I set up a dedicated wifi network? who do I ask? what are the magic words in a search?�
1/1/2015
guest Well that's more of a network question than a Tesla question but you would set up a separate wifi network in your router or whatever you use at home to connect to the internet with your provider. But no you don't need it, just use your existing SSID and keep it simple.�
1/1/2015
guest I like that answer - you don't need it. and KISS
Thanks. [I tend to over engineer things in the wee hours of the morning]�
1/1/2015
guest I totally understand�
1/1/2015
guest I think you're over-thinking this. There's no need to do anything different or set up a dedicated wi-fi network. Just connect your car to your regular SSID and it will be fine. It's not like the car is pulling down (or sending) huge amount of data when sitting in your garage... even the firmware updates aren't all that big and take a short time to download.�
1/1/2015
guest You hit it on the head...I was indeed overthinking it. Back to the KISS principle. [keep it short and sweet - or sumptin like that]�
1/1/2015
guest I am still confused on two charging data points. I notice that kilowatts used is always greater than kilowatts added. How can you continually use more kilowatts than are added?
Perhaps I am misunderstanding "used" and "added". Can anyone provide clarity on these two data points?�
1/1/2015
guest People are more educated and experienced in this subject can probably elaborate more, but there's always going to be some efficiency loss getting the power from the wall into the vehicle. A 15a 110v will likely have a lower efficiency (70-80%) whereas a 50a 240v will be much higher (92-94%). I imagine this is the case for any electric vehicle or large appliance, and maybe even smaller and medium appliances.�
1/1/2015
guest If the definition of kilowatts used is an estimation of kilowatts being charged by the electric provider, then it makes sense to me. If it is something else perhaps James or someone could chime in.�
1/1/2015
guest We had a little downtown today for about 15 minutes. I ran an unscheduled backup and the data logger did not like fighting the backup for resources.
Sometime over the next few days I'll need to take things offline for hopefully less than an hour to move the database to a larger partition. I will post here when I start and will also include more details about trying to gracefully handle the state changes that might occur during the downtime.
In the meantime I've taken the signup link off the homepage. It should be backup sometime next week.�
1/1/2015
guest It's the energy used by the charger as reported by the API. It is a calculation so yes, an estimation since the API does not explicitly provide a total number like it does energy added to the battery. As I said it appears to be very close but I still have work to do.....probably always have some work to do.�
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