Bienvenue sur jcoenen.com

Février 2026

Migration du serveur web et DNS sur un Raspberry Pi 5 4GB sur Trixie (Debian 13)
Upgrade du server de domotique raspdomo (FHEM), rasp4 ==> rasp5, Bookworm ==> trixie
installation d’une unité raspberry 5 alimentée en PoE avec SSD M2 PCIe, 4 ports USB supplémentaires un interface RS485 et un interface Can bus

Working on an enclosure for the T-Sim modules, using Fusion this time.
Working on the firmware for the T-Sim modules
- The GPS collection and mqtt uplink to the Web server side seems to give good results.
- The module writes the GPS locations in a file.
  - a File is created in a directory under the day’s name each time the module is started
  - a Web Filesystem management page is now implemented (using a modified EspFileManager library)

Road test A7670 esp 32, filtering GPS readings somehow difficult using H/V/PDOP and distance, a new filter has been setup using speed and distance.
Finally got both modules to work properly, a Haversine routine has been implemented to compute the distance between the GPS measures.
Working on a T-SIM S3 A7670G
Web side of the tracker is now operational for multiple trackers
The GPS of the 7670E is less sensitive then the 7600’s unit, MQTT message being sent based on the distance between measurement has to be adapted.

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