EC2X EVB Introduction

Supported Modules

Supported module models

• EC200U-EU
• EC200A-EU
• EC200A-AU

Feature List

Basic Overview

The QuecPython_EC2X_EVB is specifically designed for QuecPython. It is a small and portable "pocket-sized" EVB with rich features, such as temperature and humidity sensor, acceleration sensor, SIM card slot, SD card slot, LCD connector, LDR and MIC.

The EVB is equipped with a Type-C interface, so developers only need a USB Type-C cable to easily manipulate the EVB.

The EVB is equipped with the EC200U series module. For details, see EC200U-EU.

Feature Description

The main components and interface layout of the EVB are shown in the figure below.

Document download

• EC2X_EVB_SCH2

EVB Resources

EVB Interface

J5 Pin Assignment

J6 Pin Assignment

J7 Pin Assignment

J10 Pin Assignment

The following figure shows the pin assignment.

Tips
For more information about the EVB, please visit https://python.quectel.com/en/resource-download?cid=252

EVB Configuration

The EVB is equipped with various sensors and other peripherals. The pins of peripherals are shown in the table below.

Quick Start Guide

Hardware Preparation

• Step 1: Required Items

  • Development board
  • USB-C cable (A-to-C)
  • Windows 10 PC
  • Nano-SIM card
  • 4G antenna

• Step 2: Antenna & SIM Installation

  • Attach the provided antenna to the MAIN antenna port.
  • Insert the SIM card into the Nano-SIM slot.

• Step 3: Connect the Board

  • Power the board via USB-C.

• Step 4: Power On

  • Press and hold PWK until the power indicator light on the mainboard (labeled as POW) lights up.
  • If you short-circuited PWK_ON, there's no need to press PWK; the board will power on automatically.

  If the PWR indicator is constantly on, the EVB is successfully turned on.

Driver Installation

1. Download the QuecPython USB Driver from QuecPython Official Drivers.
2. Extract and run setup.exe or setup.bat.
3. Verify installation in Device Manager (look for "Quectel USB" ports). Ignore unrelated devices like "Mobile ECM Network Adapter."

Tool Installation

1. QPYcom: Download from QuecPython Tools. Extract and use directly.
2. VSCode Plugin: Search for "QuecPython" in the Visual Studio Code marketplace.

Firmware Burning

1. Firmware Download: Get the latest QuecPython firmware from QuecPython Firmware Page.

2. Burning Steps:

   • Open QPYcom, select the USB REPL port, and create a new project.

   • Choose the .bin firmware file

   • Set mode to "Download FW" and click Download.

REPL Debugging

1. Connect via QPYcom and open the REPL interface.
2. Test with print("Hello World!").

First Script Development

Writing a Script

Create helloworld.py:

print("Hello World!")

File Transfer

• Method 1: Drag-and-drop files via QPYcom’s GUI.

• Method 2: Use the "Download Script" feature in QPYcom.

Running Scripts

Execute via REPL:

import example
example.exec("/usr/helloworld.py")

Stopping Program Execution

How to stop a running program. The following methods are provided according to the type of the running script file: