• sales

    +86-0755-88291180

Modbus RTU IO 8CH Factory Reset Tutorial

Hardware Operation

  • Open the casing, hardware connection diagram:


Software Operation

  • Using Securecrt: (Download Link: https://www.waveshare.com/w/upload/b/b7/SecureCRT.7z)
  • Use SecureCRT to connect to the serial port, with the default settings of 115200 baud rate, N, 8, 1. Make sure not to select XONXOFF, and choose a Ymodem packet size of 1024 bytes.



Before powering on, short the SWDIO and GND pins to enter the bootloader program.
Once the bootloader program runs, the following interface will be displayed. The program starts with the LED constantly on, detecting the SWDIO pin. If shorted, it enters the bootloader program and the LED remains constantly on. If not shorted, it jumps to the user program, and the LED slowly blinks. If the user program fails to start, the LED will blink rapidly, indicating the need to re-download the user program.

When the above interface appears, select:

  • Here, we directly choose option 2 to Restore device default parameters.
TAG: Electronic EYE 0.71 inch Round Double LCD Display Dual Screen For Arduino Raspberry Pi ESP32 Pico ST Bus Servo Adapter A Industrial USB TO 4CH RS232/485/422/TTL Serial UART Converter FT4232HL Zero LCD HAT (A) user guide Orange Pi Zero 3 SIM7600G H Mini PCIe SIMCom Original 4G LTE Cat-4 Module Global Coverage GNSS UART Serial TTL To RS232 B Built-In Protection Circuits Rail-mount 0.85inch Display Raspberry Pi 5 ESP32-S3 Development Board 1.47 inch LCD Screen Display 172x320 SD-Port LVGL USB Tang Nano Series FPGA FAQ RoArm M2 4 DOF High Torque Serial Bus Servo ROS2 WIFI ESP NOW UART USB ST3235 QMI8658C For ESP32 Raspberry Pi Pico RP2040 1.69 inch TouchScreen Round LCD Display With QMI8658/Buzzer/RTC For Arduino ESP32-S3FH4R2-MINI-Tiny-Stamp-WIFI-Bluetooth5 Gyroscope Raspberry Pi 5 PD Trigger DeepSeek XiaoZhi AI Voice Chat Robot BOX ESP32-S3 Development Board 1.28 inch Round LCD 1.28inch TouchScreen N16R8 Raspberry Pi 12.3 inch DSI MIPI Display TouchScreen LCD 720x1920 Luckfox Lyra Omni3576 RK3576 4inch Round LCD HDMI Capacitive Touchscreen Display 720x720 For Raspberry Pi/Jetson Nano/mini PC SpotPear