Due to the large number of products on our webstore, JH team made some mistakes in the process of sorting products
Our customers will inform us as soon as they find out the mistakes 

This means a lot to us

The classification of UNO R3  Boards

How to distinguish MEGA2560 Boards

Customers help us correct product description errors

Thanks again for JH customers' valuable comments on our website
JH team will correct it in time, and committed to providing a better shopping experience