Electrical

Circuit Diagram

Decibel Express is built from multiple hardware modules coordinated by a single PIC32 microcontroller, which handles all user inputs and system feedback. The complete electrical schematic is shown below and can be downloaded here.

Major Subcomponents

PIC32MX170F256B

Microcontroller

74ACT244 Octal Buffer

Amplify signal to LED matrices

LED Display

Game timer and obstacle hit count displayed

IR Sensor

Detects when conductor hits obstacle

Feetech 360° Servo

Used to move conductor vertically

THANKOGRC Continuous Rotation Servo

Rotates obstacles continuously

Hitec Servo

Turns 180° to dispense gears

B1M Rotary Potentiometer

Changes speed of obstacles

MAX4466 Microphone

Senses user's loudness

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