This microcontroller has a CH340g chips. Before you plug it to your computer, please install the following drivers:
We have selected a highly reliable manufacturer for this micro controller. This is why we can offer you this limited warranty. If your microcontroller is defective and it's not due to a user's mistake, we will remplace it for free. You have to send us the defective part within three months of the purchase, we will send you a remplacement unit free of charge. Buyer has to pay the shipping fees to return the defective unit, we will pay the shipping fees for the remplacement unit. Please contact us before at email@example.com.
Thanks for your valuable support and good luck with your project!