ELECTRICAL DESIGN
HW130 Motor shield
The HW130 motor shield is used to control our motors and is connected to each motor with a total of 4 motors. The motor shield allows us to make our DC motors rotate up and down so we can bring our pins up and down. the 9 volt battery is also connected to the motor shield and so are the analog pins which allow us to send data.
Arduino Uno R3
There are 2 Arduinos in this diagram, one is used for controlling all the Arduinos we use and one is for controlling the 4 motors it is controlling. the Arduino also allows us to connect to our Bluetooth app and receive inputs.
DC Motors
The DC motors are used to control our pins by raising them up and down to make our tactile display. The motors are powered by the 9 volt battery connected to the motor shield and the motors are connected directly to the motor shield.