Hw-417-v1.2 Driver |link| -

After installing the driver, follow these steps to ensure everything is working:

Ensure the DTR pin on the HW-417-V1.2 is wired to the GRN/RST pin of your Arduino. hw-417-v1.2 driver

Click the button. A "Driver install success!" popup should appear. Plug in the HW-417. After installing the driver, follow these steps to