Gpxcam-t1000e — custom firmware turning the T1000-E into a phone-free camera GPS tracker

sojer2005 · October 31, 2026, 1:45pm

gpxcam-t1000e — custom firmware turning the T1000-E into a phone-free camera GPS tracker

My Lumix S5II’s companion app kept dropping its Bluetooth GPS connection, so I replaced the T1000-E’s stock firmware with my own — a small, dedicated BLE GPS beacon for the camera.

What it does:

Pairs with the camera over BLE and sends a location fix every 25s while it’s powered on
Never wakes a sleeping camera
Battery lasts very long on a single charge
Setup/config (timezone, update frequency, clock sync) via a browser page — no app needed
Companion desktop app for Linux/Windows/macOS (Tauri) for pairing

Built on the nRF52840, GPL-3.0, open source.

Docs + flashing instructions: GitHub - TomaszBojanowski/gpxcam-t1000e: GPS for Panasonic LUMIX cameras from a SenseCAP T1000-E over Bluetooth, no phone needed. Firmware, a card page and a desktop app. · GitHub

Setup page: gpxcam card

PJ_Glasso · October 31, 2026, 2:27pm

Hi there,

and WOW… We stand on the shoulders of giants…

Your WHOLE Problem / Solution approach is OUTSTANDING, a CLINIC if you will.

If anyone half technical wants to see the proper EVERYTHING… This is it.
it’s a clinic on how to do and document a project on a professional level.

You’re Concept and method to bypass, app & eco system, etc. Your documentation is chalk full of TECHNICAL tidbits, that shows you put in the work. BRAVO.

github.com/TomaszBojanowski/gpxcam-t1000e

docs/HARDWARE.md

main

# Hardware: Seeed SenseCAP T1000-E

Findings about the card that the firmware relies on. Every value has a source; "tested on the card"
means a reading from our own unit. The test results name some development commands (`gps on/off`,
`gps test`, `gps raw`, `scan on/off`) that were removed in 1.0.0.
M0–M6 are the milestones of the first version (October 2026), each tested on the card in steps; later
findings name the version that brought them.

## The card

### Components

- MCU: Nordic nRF52840.
- GPS: Airoha AG3335 (UART 115200).
- LoRa radio: Semtech LR1110 – not used, put to sleep at start-up.
- 700 mAh battery, button, two LEDs (green, red), buzzer.
- Temperature (NTC) and light sensors, QMA6100P accelerometer – not used, switched off.

### Factory software (tested on the card 2026-10-19, `INFO_UF2.TXT`)

This file has been truncated. show original

The Hardware run downs and walk throughs for example and my favorite:wink: are TOP level

I encourage EVERYONE to go give it a look even if it’s not your field of interest, Camera GPS photo data etc. SO many of the aspects can be applied to other sectors.

Your blow by blow on the Adafruit bootloader is one I have never seen, everyone should LQQK. I like how you don’t use the Lora and sensors either, it YOUR device make it what you want, LOVE THAT!

Thank you for the contribution, I will certainly benefit from it…
and feel strongly others will to.

GL PJ

I’m PL lens… literate, Cooke, Arri, Zeiss, Camera bodies & Case Security.
Patent # US1206149B2

sojer2005 · October 31, 2026, 3:50pm

Thanks, PJ — that means a lot.
Not touching the LoRa radio or sensors was a deliberate call too — the card only needs to do one thing well, so the less it’s doing, the fewer places for something to go wrong on a multi-hour connection with the camera.