* Some PC may need to install update USB serial port driver.
Please follow this link to install USB driver
or see more detail instruction about the USB driver from below link
https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers/all
Please follow this link to install USB driver
or see more detail instruction about the USB driver from below link
https://learn.sparkfun.com/tutorials/how-to-install-ch340-drivers/all