Driver Link | Hw-417-v1.2

The required software is the . This driver makes the USB device appear to your computer as an additional standard COM port (e.g., COM3 on Windows, /dev/cu.usbserial-XXXX on macOS or /dev/ttyUSB0 on Linux). Once installed, any serial terminal program (like PuTTY, CoolTerm, or the Arduino IDE's Serial Monitor) can communicate with the adapter as if it were a built-in serial port.

Here are some common issues you may encounter with the HW-417-V1.2 driver: hw-417-v1.2 driver

Swap your USB cable. Many micro-USB cables only transfer power, not data. The required software is the

Standard pins include DTR (for auto-reset), RX, TX, VCC, CTS, and GND. Where to Download the Driver COM3 on Windows

iounmap(hw417_v1_2_base_addr); return 0;