SPIRIT-org/SPIRIT

GSM/GPS section (EG25 GSM/GPS, SIM holder)

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#18 opened on Aug 10, 2025

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help wanted

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Description

Help needed with implementing the GSM/GPS schematic in KiCad

(old image)

Main chip: https://www.digikey.pl/en/products/detail/quectel/EC25VFA-512-STD/13278151 https://www.digikey.pl/en/products/detail/quectel/EG25GGB-256-SGNS/21272668

Datasheet: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/7133/Quectel_EG25-GL_LTE_Standard_Specification_V1.3.pdf

Contributor guide

Research direction
Study the EG25 GL datasheet and KiCad tutorials to implement the GSM/GPS schematic. Focus on pin connections, power supply, and SIM interface.
Tech stack
None
Domain
mobile dev
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Over 1 week
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
20