What do you guys use, if at all, for timing laps for personal use?

My sense is the ImmersionRC LapRF and TBS RaceTracker were the ones people were using.  I'd gotten a TBS Racetracker myself and it is a steaming piece of crap that doesn't even turn on lol.  Returning it hours after getting it.  Looking more into these two, I notice that the apps are ridiculously outdated, assuming they even exist - the recommended TBS app is no longer around and the TBS app itself looks to be grossly unsupported.  Pretty much the same story for the ImmersionRC one too.

Quick google search and there doesn't seem to be any newer versions of a lap timer device for drone racing.

Does the RapidFIRE module not have a built in lap timer? The Fusion does.

what i found in short reasearch: laptime-arduino-fpv

my buddy builded one by himself with arduino, his is able analyse 4 frequencys at the same time. he had 4 of the blue boards, i guess one is needed for a frequency. it works very nice, it seems pretty accurate.

there are the electronics and its 3d printed case, a powerbank, a wlan hotspot and a device to receive the data and controll the timer. the controll abilities are very nice, its simply over the browser.

at the indoor track i go frequently, is an expensive timer, i guess offered by the company which provide the timers for the official races in my area.

sadly the diy timer of my buddy doesnt seem very inexpensive and need work, but the result is a pretty nice timer. with the 4 frequency messured its able to do a true race. i will reask about a source for informations about.

Dude that is sick. After more googling I came across the DIY Arduino lap timers. I'm just not so sure I want to invest that much time as I have near 0 experience with Arduino (other than 3d printer stuff and that was ages ago).

It is tempting though.

it would be great to get timing over the goggle, i beleive it would usable for personal practice.

as for racing and more than one pilot, the diy option seems a solid option. possibility to display and configure is very nicely... it keeps a few tries to get it work properly, it will be work.

(26-Sep-2020, 07:23 PM)hugnosed_bat Wrote: it would be great to get timing over the goggle, i beleive it would usable for personal practice.

YES PLEASE!!! Oh man I didn't think of that!

i dont know much about that, but as snow wrot it would be possibel at least with the fusion module from tbs

(26-Sep-2020, 06:15 PM)SnowLeopardFPV Wrote: Does the RapidFIRE module not have a built in lap timer? The Fusion does.

Oh crap I missed Snow's post. Oh man yet another reason for the Fusion gahhhhh.

I don't think RapidFire has a lap timer.

[edit] gahhhhhh

You might try to look into the Rotorama Laptimer which was developed by the guys from our local hobby store. It works by measuring the sound intensity, so you have to place your phone inside the finish gate and then as you fly over it, it should detect and record the lap time. You can use a BT speaker to have it connected to the phone and placed next to you to hear the lap times.
This of course only works for only one pilot flying at a time, but I guess that's good enough for you at this point.

https://play.google.com/store/apps/detai...r.rotorama
https://itunes.apple.com/cz/app/rotorama...26381?mt=8

(26-Sep-2020, 07:36 PM)the.ronin Wrote: Oh crap I missed Snow's post.  Oh man yet another reason for the Fusion gahhhhh.

I don't think RapidFire has a lap timer.

I think Achilles did it first ;-)

(28-Sep-2020, 09:37 AM)izzy26 Wrote: You might try to look into the Rotorama Laptimer which was developed by the guys from our local hobby store. It works by measuring the sound intensity, so you have to place your phone inside the finish gate and then as you fly over it, it should detect and record the lap time.

https://play.google.com/store/apps/detai...r.rotorama
https://itunes.apple.com/cz/app/rotorama...26381?mt=8

Izzy, that may be great for my backyard course! But when clicking the link for iOS, it says not available in my country or region (I’m in the US). Is that correct...?

My non-glamorous solution is what Bardwell shared here: .

It wouldn’t work great for counting multiple laps as it’s a bit more clunky to read out and reset (click a toggle switch on then off) but works well for a start to finish time. I would assign to a momentary switch but the momentary switches on my Tango 2 are a pain to use (hard to quickly locate and take too much force to press).

I believe there is a similar more robust OpenTX lap timer using a LUA script out there as well.

(28-Sep-2020, 12:47 PM)Rtyp3 Wrote: Izzy, that may be great for my backyard course! But when clicking the link for iOS, it says not available in my country or region (I’m in the US). Is that correct...?

Hmm now that I try it I get the same message - and I live in Czech Republic - so the same region as the Rotorama guys. Maybe there's something wrong with the app publishing settings, I'll try to contact them and ask.

I also tried with my old Android phone and that works just fine.

Did you look at this?

https://github.com/t-asano/tinyviewplus

I have the true d module on my goggles and it has a lap timer as well.