Quick Start
2025-04-10
Hardware preparation
- One Windows computer, recommended Win10 system.
- A set of EC800GCN Hua series DTU development board.
- A usable Nano Sim card.
- A rubber stick antenna.
- A Mini USB data cable.
- A USB to TTL module.
Environment construction
- Download and install EC800G series module driver: QuecPython_USB_Driver_Win10_U_G.
- Download and install VSCode.
- Download and unzip QPYCom Tool to the appropriate location on the computer.
- Download and install the firmware package QPy_OCPU_SETA0002-EC800G_CNLD_SW. Please refer to Using QPYcom to Burn Firmware for firmware package burning
- Download the experimental source code.
Hardware connection
Connect the hardware according to the following diagram:
- Connect the rubber rod antenna.
- Insert the Nano Sim card.
- Connect to the computer using a mini USB cable.
- Connect to the computer using a USB to TTL module. TX (DTU development board) connected to RX (USB to TTL module); RX (DTU development board) connected to TX (USB to TTL module); GND (DTU development board) is connected to GND (USB to TTL module) for common ground. If an RS485 interface is used, the A line at both ends is connected to the A line, and the B line is connected to the B
- The development board adopts a 9-36V wide power supply.