Amazon Alexa: Voice Activation component

• Contains/Accepts pre-programmed speech commands
• Matches commands to specific functions of the hand
• Communicates with the computer/hand via wifi
• Python and Flask are used to form essential skills

nRF52832 Adafruit Feather Bluefruit LE

• Receives commands from Alexa via bluetooth from the computer
• Uses UART to control the state of the device (rotations, open/closed)

8-Channel PWM Servo FeatherWing

• Controls and modulates the High Torque Servo Motors

High Torque Servo Motors

• Provides the torque necessary for the motion of the wrist and fingers
• Attached to the forearm to maintain essential tension in nylon microfilaments
• Powered using 3.3v

Nylon Microfilament

• Serves as a strong material that will not be frayed by constant tension caused by the pull of the motors and will not get caught on the edges of the piping/framework.

Lipo-Battery

• Fits on the forearm
• Serves the purpose of the device by providing the necessary power for proper function

nRF52832 Adafruit Feather Bluefruit LE

8-Channel PWM Servo FeatherWing