8000 Add board "SenseCAP Card Tracker T1000-E" · Issue #10371 · adafruit/circuitpython · GitHub
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stefanbraun-private opened this issue May 24, 2025 · 0 comments
Open

Add board "SenseCAP Card Tracker T1000-E" #10371

stefanbraun-private opened this issue May 24, 2025 · 0 comments
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@stefanbraun-private
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Hi,
I'm a fan of Helium LoRaWAN IoT, Python and SenseCAP T1000-A GPS tracker.
This device is closed-source and ready for endusers and applications.

This tracker exists as OpenSource variant T1000-E with similar hardware and sensors,
projects like Meshtastic support it already:

It would be cool to have T1000-E as board in official CircuitPython releases!
(MCU is nRF52840, it has only the internal 1MByte flash storage)

=>As experiment I compiled CircuitPython with T1000-E support (it's my first contact with CircuitPython).
REPL over serial console works. LED, button and buzzer works.
Perhaps someone with CircuitPython experience and a T1000-E can use my early steps?

I got stuck talking via SPI to Semtech LR1110 for LoRa and LoRaWAN,
perhaps I made mistakes in pin definition, and perhaps it needs a native Python module wrapping the Semtech C-Code... Perhaps someone already solved this challenge?

Details about my current T1000-E firmware,
compiled with my attached board definition files:

  • drive "T1000-E", content of "INFO_UF2.TXT":

UF2 Bootloader 0.9.1-5-g488711a lib/nrfx (v2.0.0) lib/tinyusb (0.12.0-145-g9775e7691) lib/uf2 (remotes/origin/configupdate-9-gadbb8c7)
Model: Seeed T1000-E for Meshtastic
Board-ID: nRF52840-T1000-E-v1
Date: Jul 15 2024
SoftDevice: S140 7.3.0

  • drive "CIRCUITPY", content of "boot_out.txt":

Adafruit CircuitPython 10.0.0-alpha.2-37-gf9ab642fdd on 2025-05-03; Seeed T1000-E with nRF52840
Board ID:Seeed_Tracker_T1000-E
UID:27CA7D32B083A7FB

nRF Bluetooth-stack compatible with T1000-E bootloader: download "SoftDevice S140" v7.3.0
(Seeed Studio uses same version in the Arduino example)
=>extract content of ZIP file "s140_nrf52_7.3.0.zip" into ./circuitpython/ports/nordic/bluetooth/s140_nrf52_7.3.0
nRF SoftDevice S140 v7.3.0

Meshtastic - hardware details T1000-E

Seeed Studio T1000-E - Arduino code examples
=>board pin assignment is in
~/.arduino15/packages/Seeeduino/hardware/nrf52/1.1.10/variants/Seeed_Tracker_T1000_E_LoRaWAN
(attached file "SeeedStudio_T1000-E_Arduino_pin-definition.zip")

Seeed Studio T1000-E pinout documentation

my Arduino test: T1000-E as Helium mapper for coverage mapping

Greetings,
Stefan Braun.

SeeedStudio_T1000-E_Arduino_pin-definition.zip

CircuitPython_Board-definition_Seeed_Tracker_T1000-E.zip
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