Keyestudio LCD1602 expansion shield integrates 1602 LCD display and six buttons into one piece, which is fully compatible with keyestudio UNO R3 control board. It can work just through stacking expansion board on the keyestudio UNO R3 control board, which is very easy and convenient.
Keyestudio Bluetooth 4.0 expansion shield integrates sensor expansion board with HM - 10 Bluetooth 4.0. It is fully compatible with keyestudio UNO R3 control board, which can work only through stacking the expansion board on the keyestudio UNO R3 control board, easy and convenient.
When we use Arduino to do the work, we always feel bad wiring on the port. It makes us feel less reliable to either use bread board harness, or use sensors shield with dupont lines connection.
This is a small, simple keyestudio Nano shield which has brought all pins of the keyestudio Nano, so it is convenient for us to connect wire and make a experiment. The shield comes with two positioning holes, which is very convenient for you to fix the shield in other positions.