# User Guide

***Copyright © Quectel Wireless Solutions Co., Ltd. 2026. All rights reserved.***

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This user guide is intended to provide users with **Quectel Pi M1 /L1** comprehensive usage instructions for the intelligent main control board, covering device specification introduction, power supply, functions, operation methods and precautions of display and various peripherals (camera, Wi-Fi/BT, cellular network, Ethernet, audio, USB, etc.), to help users quickly understand device performance, master the usage process, solve application problems, and provide a clear and detailed reference for device debugging, deployment and operation and maintenance.

> Quick Access

- [Specification Introduction](<Specification Introduction/Specification Introduction.md>)
- [Power Supply](<Power Supply/Power Supply.md>)
- [Instructions on Network Port Opening](<Instructions on Network Port Opening/Instructions on Network Port Opening.md>)
- [Wi-Fi/BT](<Wi-Fi_BT/Wi-Fi_BT.md>)
- [GNSS](<GNSS/GNSS.md>)
- [ADC Introduction](<ADC Introduction/ADC Introduction.md>)
- [Secure Digital Card](<Secure Digital Card/Secure Digital Card.md>)
- [Ethernet](<Ethernet/Ethernet.md>)
- [Camera](<Camera/Camera.md>)
- [Device Connection](<Device Connection/Device Connection.md>)
- [Display](<Display/Display.md>)
- [qpi-config](<qpi-config/qpi-config.md>)
- [USB](<USB/USB.md>)
- [Audio](<Audio/Audio.md>)
- [40-Pin Expansion Header](<40-Pin Expansion Header/40-Pin Expansion Header.md>)
- [SD card](<SD card/SD card.md>)
- [Cellular Network](<Cellular Network/Cellular Network.md>)
- [Thermal solution](<Thermal solution/Thermal solution.md>)