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Loko-the Tiniest GPS tracker with 270 days battery

Loko is the 12 gram GPS tracker with extreme battery life.

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Loko is an open source, battery operated radio-based GPS tracker. It’s a tiny, simple, useful device that sends navigation data to its receiver via peer-to-peer LoRa radio. Unlike other similar technologies, there is no ongoing subscription cost. Loko is radio communication based and doesn’t require a sim-card or monthly fee. It also works anywhere, even if there is no 2G/3G/LTE coverage. Loko is being configured to transmit navigation data to existing LoRaWAN® networks.

Loko is designed with Ultra Low Power consumption in mind which can work 30+ days on a single charge with the tiny, built-in coin cell battery. The transmitter is only 12 grams (0.42 oz) and is slightly bigger than the tip of a finger (30 mm x 23 mm).


Loko operates with 2 units: The Ground unit (receiver), and the Air unit (transmitter). The Air unit transmits navigation data to the Ground unit at a pre-configured time interval, and the Ground unit transmits the received data to a smartphone app via Bluetooth (iPhone only with this version). ?is an android version being developed, and if so, will an android version be available by the time the campaign ships? The app automatically shows the location of any Loko Air modules on a 2D map.

Example use-case for finding a lost drone:

  • Attach the Loko Air module to your drone and operate as you normally would.
  • If your drone goes missing, turn on the Loko Ground Unit to search.
  • Once the Ground unit receives signal from the Air unit, the location of the Air unit will appear on the Loko smartphone app.
  • Follow the directions on the Loko app to recover your drone.

Features & Specifications

  • Works anywhere you go
  • No cellular signal or internet required
  • No monthly fees
  • Range up to 10km
  • Locate lost objects with pinpoint accuracy.
  • Up to 30+ days battery life per charge for Air unit (battery life depends on how often the Air unit is set to transmit its location)
  • Expandable up to 30 Air units per Ground unit

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teraz wrote 03/29/2022 at 14:59 point

is possible using this in mesh lora network in ukraine?

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Akio Sato wrote 04/03/2022 at 07:29 point

yes

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Nazwa wrote 04/03/2022 at 16:21 point

In my opinion in ukraine device without screen, keys is not usefull.

how long this device work (week, month?) and what distance I can send message? (10-100km)

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Dave Ann Buster wrote 03/25/2022 at 23:53 point

Please do be safe. That said is this crowd sourced yet? Would love to support this. Great work! 

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gigillo73 wrote 03/11/2022 at 18:52 point

Hi. I'm interested to track the GPS position of a person with Alzheimer disease. According to your experience , is it a thing that can work on the TTN? How long lives the battery inside? Thanks.

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Akio Sato wrote 04/03/2022 at 07:30 point

it can connect to TTN, I will add this to software configuration tool as well

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gigillo73 wrote 04/03/2022 at 08:06 point

Super! When could be available this product? Briefly I have to buy this for the person with Alzheimer...I can't wait too time. Best regards

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Akio Sato wrote 04/03/2022 at 09:25 point

The unexpected war in Ukraine added delay on development, but now first stage of development finished, soon  crowdfunding campaign will be live

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Akio Sato wrote 03/08/2022 at 08:15 point

Because of war in Ukraine , I will have small delay in these days . it is getting hard to work for me

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morgan wrote 03/09/2022 at 01:22 point

Sorry to hear this. Stay safe.

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ravindumadushan395 wrote 02/16/2022 at 17:04 point

hiii where can i find the project files?

this project is greate

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Akio Sato wrote 04/03/2022 at 07:31 point

https://github.com/tomipiriyev/Loko

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G wrote 02/13/2022 at 21:07 point

Looks cool! Where are the files?

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Akio Sato wrote 02/13/2022 at 22:00 point

https://www.crowdsupply.com/dronee/loko.   scroll down there I GitHub link

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G wrote 02/14/2022 at 05:16 point

Thanks!

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G wrote 03/12/2022 at 05:50 point

Thanks, but under the software directory there's nothing but a few empty readme files.

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CzarofAK wrote 01/19/2022 at 08:39 point

any chance, that we can try out this super little tracker soon?

What are your intentions? Crowdfound, open source or else?

Would love to buy/produce at least 5 trackers

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Samuk wrote 11/06/2021 at 22:56 point

what's the chip? Any chance of getting meshtastic.org running on it?

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Akio Sato wrote 11/08/2021 at 12:53 point

I am not sure what it is ,  the chip is STM32L072 

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Samuk wrote 11/08/2021 at 13:32 point

It's a p2p LoRa mesh network, running on ESP32/ NRF52 dev boards. It has  Android/iOS apps for mapping: https://meshtastic.org/

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Akio Sato wrote 11/08/2021 at 13:38 point

I see, I use Stm32L072 as MCU and LoRa-E5 (STM32WLE5JC) Module as Lora module.  MCU and Lora-E5 communicates via UART

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Samuk wrote 11/11/2021 at 13:48 point

Ah I think that's too slow for Meshtastic :( If you did an NRF52 version that would work.

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Akio Sato wrote 11/11/2021 at 14:46 point

NRF52 is too expensive and effected by silicon shortage, and a little bit big , not suitable for Loko

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Akio Sato wrote 11/06/2021 at 17:12 point

Planning to make Crowdsupply campaign, what is your thoughts?

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morgan wrote 11/06/2021 at 17:29 point

would support

  Are you sure? yes | no

Akio Sato wrote 11/06/2021 at 18:14 point

much appreciated

  Are you sure? yes | no

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